{"id":2527,"date":"2026-05-11T02:05:31","date_gmt":"2026-05-11T02:05:31","guid":{"rendered":"https:\/\/www.agriculturalparts.top\/product\/45-hp-heavy-duty-post-hole-digger-gearbox-for-post-hole-digger\/"},"modified":"2026-05-11T02:05:32","modified_gmt":"2026-05-11T02:05:32","slug":"45-hp-heavy-duty-post-hole-digger-gearbox-for-post-hole-digger","status":"publish","type":"product","link":"https:\/\/www.agriculturalparts.top\/kk\/product\/45-hp-heavy-duty-post-hole-digger-gearbox-for-post-hole-digger\/","title":{"rendered":"45 HP Heavy Duty Post Hole Digger Gearbox for Post Hole Digger"},"content":{"rendered":"<div style=\"font-family:Arial,Helvetica,sans-serif;line-height:1.65;color:#222;\"><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Product\",\n    \"name\": \"45 HP Heavy Duty Post Hole Digger Gearbox for Post Hole Digger\",\n    \"description\": \"Post Hole Digger Gearbox u2014 3-Point Post Hole Digger unit, model PHD Series.\",\n    \"brand\": {\n        \"@type\": \"Brand\",\n        \"name\": \"Ever-Power Agricultural Parts\"\n    },\n    \"sku\": \"PHD Series\",\n    \"material\": \"Cast iron \\\/ Aluminum housing with alloy-steel gears\",\n    \"offers\": {\n        \"@type\": \"Offer\",\n        \"availability\": \"https:\\\/\\\/schema.org\\\/InStock\",\n        \"priceCurrency\": \"USD\",\n        \"url\": \"https:\\\/\\\/www.agriculturalparts.top\\\/\"\n    },\n    \"image\": \"https:\\\/\\\/images.hzpt.com\\\/2023\\\/05\\\/45-HP-Heavy-Duty-Post-Hole-Digger-Gearbox-for-Post-Hole-Digger-1.webp\"\n}<\/script><\/p>\n<h1 style=\"font-size:1.8em;color:#185FA5;margin:0 0 8px;\">45 HP Heavy Duty Post Hole Digger Gearbox for Post Hole Digger<\/h1>\n<p style=\"font-size:1.05em;color:#444;margin:0 0 14px;font-style:italic;\">Post Hole Digger Gearbox for 3-Point Post Hole Digger \u2014 model PHD Series.<\/p>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Detailed Technical Specifications \u2014 PHD Series<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">The 45 HP Heavy Duty Post Hole Digger Gearbox for Post Hole Digger is engineered as a post hole digger gearbox for 3-point post hole digger applications. Designed to reduce PTO speed dramatically and deliver maximum torque to the auger, the unit covers 20\u201375 HP input ratings and is built for extreme low-speed torque with shock loads in rocky soil.<\/p>\n<div style=\"text-align:center;margin:14px 0;\"><img decoding=\"async\" src=\"https:\/\/images.hzpt.com\/2023\/05\/45-HP-Heavy-Duty-Post-Hole-Digger-Gearbox-for-Post-Hole-Digger-1.webp\" alt=\"post hole digger gearbox for 3-point post hole digger\" style=\"max-width:100%;height:auto;border-radius:6px;border:1px solid #e5e7eb;\" \/><\/div>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:12px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.95em;\">\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Series \/ Model<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">PHD Series<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Application<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">3-Point Post Hole Digger<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Gear Ratio<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">1:3 to 1:6<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Input Speed (RPM)<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">540 RPM \/ 1000 RPM (selectable)<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Input Shaft<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">1 3\/8\u2033 6-spline (PTO standard)<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Output Shaft<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">Solid keyed shaft \u00d835 mm<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Bearing Design Life<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">L10h \u2265 10,000 h<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Lubrication Type<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">Mineral SAE 80W-90<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Oil Capacity<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">3.0 L<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Oil Drain<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">Magnetic + filter drain<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Breather Plug<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">Side breather with filter<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Seal Type<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">V-ring + skeleton seal combo<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Ingress Protection<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">IP66 (heavy splash)<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Operating Temperature<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">-20 \u00b0C to +80 \u00b0C<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Noise Level (no-load)<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">\u2264 70 dB(A)<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Vibration Class<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">Dynamic balance G6.3<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Net Weight<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">~ 8 kg<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Color<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">Dark blue \/ red as standard<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Certification<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">RoHS compliant<\/td>\n<\/tr>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;font-weight:600;width:42%;\">Warranty<\/th>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;background:#fff;\">24 months for OEM contract orders<\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Engineering Features of the Post Hole Digger Gearbox<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Each of the cards below describes a specific, measurable attribute of the PHD Series unit. Generic claims have been kept out \u2014 every number here is tied to a manufacturing process or a verified test result.<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin:14px 0;\">\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\">  Sealed for Field Conditions<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">A combination skeleton oil seal plus labyrinth dust shield yields IP65 ingress protection. Mud, dust, water spray, and silage juice are kept out \u2014 the lubricant stays in.<\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\">\u26a1 High Transmission Efficiency<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">Spiral-bevel mesh sustains efficiency \u2265 97% at full load. Continuous-duty temperature rise stays under 35 \u00b0C, so power reaches the implement instead of being wasted as heat.<\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\">  Precision Bearing Stack<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">Input and output shafts ride on tapered roller bearings sized for L10h \u2265 10,000 hours. Bearing pre-load is set on a torque jig at the factory, eliminating play that would otherwise destroy the gears.<\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\">  Standardized PTO Interface<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">Mounting flanges follow ISO 9409 \/ DIN convention. The 1 3\/8\u2033 6-spline (or optional 21-spline) input bolts straight to OEM and aftermarket PTO drivelines without machining.<\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\">  Low Noise &#038; Vibration<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">Gears are CNC-ground to ISO 1328 class 6. No-load noise stays below 72 dB(A); rotor sets are dynamic-balanced to G6.3, so the implement runs smooth even at full PTO speed.<\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\">  Dual-Mode Lubrication<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">Internal flingers throw oil onto the upper bearing; the lower mesh runs in a controlled oil bath. A clear oil-level window plus magnetic drain plug make field maintenance fast.<\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\">  Accurate Backlash Control<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">Gear pairs are installed in jigs that hold backlash to \u00b10.02 mm. Running noise stays low and tooth contact remains centered, extending service life.<\/div>\n<\/div>\n<div style=\"flex:1 1 calc(50% - 16px);min-width:240px;box-sizing:border-box;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:16px;\">\n<div style=\"font-size:1.1em;font-weight:700;margin-bottom:6px;\"> \ufe0f Wide Operating Window<\/div>\n<div style=\"font-size:0.97em;line-height:1.55;color:#333;\">Tested from -25 \u00b0C to +85 \u00b0C with synthetic GL-5 oil. The unit starts up cleanly on cold mornings and survives sun-baked summer fields without seal failure.<\/div>\n<\/div>\n<\/div>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Compatibility &amp; Cross-Reference<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">The PHD Series is designed as a drop-in or close-substitute fit for a number of OEM gearbox positions used on tractors and 3-point post hole digger implements globally. The table below summarizes commonly cross-referenced brands. Final fitment must be verified by physical dimension matching.<\/p>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.95em;\">\n<thead>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Brand<\/th>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Equipment Range<\/th>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;\">Deutz-Fahr<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">tractors and combines<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">cross-reference; verify by flange and shaft dimension<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;\">Lemken<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">tillage tools<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">cross-reference; verify by flange and shaft dimension<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;\">New Holland<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">tractors, balers, mowers<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">cross-reference; verify by flange and shaft dimension<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;\">Claas<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">forage harvesters and balers<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">cross-reference; verify by flange and shaft dimension<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;\">Vicon<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">fertilizer spreaders<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">cross-reference; verify by flange and shaft dimension<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;\">Krone<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">forage harvesters<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">cross-reference; verify by flange and shaft dimension<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"background:#fff8e1;border-left:4px solid #f59e0b;padding:12px 16px;border-radius:4px;margin:14px 0;font-size:0.95em;\"><strong>Trademark notice:<\/strong> All brand names, model numbers, and part numbers mentioned are for cross-reference and identification purposes only. We are not affiliated with, endorsed by, or connected to these manufacturers. The use of these names does not constitute trademark infringement.<\/div>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Available Replacement Parts (sold separately)<\/h3>\n<ul style=\"margin:8px 0 8px 22px;line-height:1.6;\">\n<li style=\"margin:4px 0;\">Output bevel gear<\/li>\n<li style=\"margin:4px 0;\">Tapered roller bearing set<\/li>\n<li style=\"margin:4px 0;\">Output shaft (keyed and splined variants)<\/li>\n<li style=\"margin:4px 0;\">Input shaft (1 3\/8\u2033 6-spline)<\/li>\n<li style=\"margin:4px 0;\">Skeleton oil seal kit<\/li>\n<li style=\"margin:4px 0;\">End-cover plate<\/li>\n<\/ul>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">How to Select the Right Post Hole Digger Gearbox<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Use the three-step approach below to match a PHD Series-class unit to your tractor and implement.<\/p>\n<ol style=\"margin:8px 0 12px 22px;line-height:1.7;\">\n<li><strong>Measure<\/strong> \u2014 record your tractor PTO standard (540 \/ 1000 RPM, spline count), the implement input shaft diameter and length, and the available bolt pattern at the implement nose.<\/li>\n<li><strong>Match<\/strong> \u2014 cross-check those measurements against the spec table for the PHD Series. The flange, shaft, and ratio need to all line up before moving on.<\/li>\n<li><strong>Verify under load<\/strong> \u2014 confirm the rated input power and output torque are sufficient for your peak operating condition (e.g. wet soil, dense crop, cold start).<\/li>\n<\/ol>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Selection criteria checklist<\/h3>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.95em;\">\n<thead>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Selection criterion<\/th>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Decision points<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">Implement type \u2192 ratio match<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">For 3-point post hole digger, target gear ratio in the 1:3 to 1:6 range for correct rotor or output speed.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">Tractor power band<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">Match input power rating to your tractor: 20\u201375 HP is the practical envelope for the PHD Series family.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">PTO speed (540 vs 1000 RPM)<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">540 RPM is standard on tractors below 100 HP; 1000 RPM is preferred on 100+ HP machines and where higher output speed is required. Confirm tractor PTO output before specifying.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">Housing material<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">Cast iron (HT250 \/ QT500) for heavy continuous duty; aluminum alloy where weight reduction and rapid heat dissipation matter, e.g. small implements moved frequently.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">Layout<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">Right-angle (90\u00b0) units redirect PTO power to a perpendicular work shaft; in-line units retain shaft alignment. Choose based on implement geometry.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">Standard vs custom<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">Standard models cover the bulk of OEM positions. For non-standard ratios, special shaft ends, oversize flanges, or harsh-environment specs, ask for a custom build.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">Shaft end interface<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">Verify input PTO standard (6-spline, 21-spline, 20-spline) and output end (keyed, splined, flanged) against your driveline and implement.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:32%;\">Working environment<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;\">High dust, mud, salt-spray, or extreme cold may require IP66-rated seals, low-temp synthetic oil, or anti-corrosion finish \u2014 specify at quoting.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Typical Applications &amp; Power Transmission Tasks<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">The PHD Series is engineered for 3-point post hole digger. The scenarios below describe the specific power-transmission tasks the gearbox is designed to handle, with details of mounting position, drive path, and the technical demand on the gear and bearing set.<\/p>\n<div style=\"margin:14px 0;padding:14px 16px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;\">\n<h4 style=\"font-size:1.05em;color:#1a1a1a;margin:12px 0 6px;\">Tree-Planting Auger<\/h4>\n<p style=\"margin:6px 0;line-height:1.6;color:#333;\">Used for orchard establishment and reforestation. The PHD Series delivers consistent torque from the first hole of the day to the last, regardless of operator-induced load spikes.<\/p>\n<\/div>\n<div style=\"margin:14px 0;padding:14px 16px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;\">\n<h4 style=\"font-size:1.05em;color:#1a1a1a;margin:12px 0 6px;\">Fence Post Installation<\/h4>\n<p style=\"margin:6px 0;line-height:1.6;color:#333;\">Most common contractor application. The gearbox drives augers from 6\u2033 to 18\u2033 diameter, with peak loads occurring at hardpan or rock encounters where overload protection is essential.<\/p>\n<\/div>\n<div style=\"margin:14px 0;padding:14px 16px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;\">\n<h4 style=\"font-size:1.05em;color:#1a1a1a;margin:12px 0 6px;\">3-Point Hitch Auger Digger<\/h4>\n<p style=\"margin:6px 0;line-height:1.6;color:#333;\">Mounted via 3-point linkage, the gearbox takes 540 RPM PTO input and delivers high-torque, low-speed output to a vertical auger. Reduction ratios of 1:3 to 1:6 are typical to achieve the slow torque-multiplication needed for hardpan or rocky soil.<\/p>\n<\/div>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Installation &amp; Commissioning Guide<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Correct installation of the post hole digger gearbox is the single biggest factor in achieving the design service life. Follow the steps below, in order. Skipping or compressing any step usually shows up as oil leak, premature bearing failure, or noise within the first season.<\/p>\n<ol style=\"margin:8px 0 12px 22px;\">\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Safety preparation.<\/strong> Shut down the tractor engine, remove the key, disengage the PTO, set the parking brake, and chock the wheels. Wear safety gloves and eye protection. Confirm the implement is on stable supports before any drive-train work.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Verify the gearbox before fitting.<\/strong> Check that the PHD Series model number, input flange dimensions, and input\/output shaft specifications match both your tractor PTO and the implement input shaft. Mismatched flange or spline patterns will not be corrected by force-fitting.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Fill with lubricant.<\/strong> Before first use, fill with the specified lubricant \u2014 typically SAE 90 GL-4 \u2014 to the centre of the oil-level window. Refer to the spec table for the exact oil capacity for your unit; underfilling causes early bearing wear, overfilling raises oil temperature and stresses seals.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Mount and torque the bolts.<\/strong> Bolt the gearbox flange to the implement using the OEM bolt set. Tighten in a diagonal pattern in three passes to the final torque (~ 80 N\u00b7m for M12 grade 8.8). Even loading prevents flange distortion and seal leak paths.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Connect the input PTO shaft.<\/strong> Attach the PTO drive shaft yoke to the gearbox input shaft. Confirm the locking pin or push-pull collar fully engages. Re-attach the safety shield with both retaining chains hooked to the tractor and implement, never spinning with the shaft.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Connect the output shaft.<\/strong> Slide the output shaft into the implement working shaft, align keys or splines, and lock with the supplied retaining nut and washer. Verify shaft end-float is within manufacturer tolerance \u2014 usually 0.05 mm to 0.20 mm.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Check shaft alignment.<\/strong> With the gearbox bolted and shafts connected, slowly rotate by hand. Total run-out (TIR) at the input and output should not exceed 0.10 mm. Any tight spot or audible scrape indicates an alignment issue that must be corrected before powered operation.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>No-load test run.<\/strong> Engage the PTO at low engine RPM (idle to 540 RPM) for five to ten minutes. Listen for unusual noise, watch for oil seepage, and check housing temperature by hand \u2014 it should be warm to the touch but not hot enough to be uncomfortable.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Run-in under partial load.<\/strong> For the first 50 hours of duty, avoid full-rated load. Vary speed and load lightly to seat the gear teeth and bearings. After the run-in period, drain the lubricant \u2014 it will contain microscopic break-in particles \u2014 and refill with fresh oil of the same grade.<\/li>\n<li style=\"margin:10px 0;line-height:1.65;\"><strong>Establish a maintenance schedule.<\/strong> Inspect oil level every 200 operating hours or weekly during heavy use. Drain and replace the gear oil every 500 hours or once per season, whichever comes first. Wipe the housing exterior after each shift to prevent soil buildup that traps moisture against seals.<\/li>\n<\/ol>\n<div style=\"background:#fff8e1;border-left:4px solid #f59e0b;padding:12px 16px;border-radius:4px;margin:14px 0;\"><strong>\u26a0\ufe0f Safety warnings.<\/strong> Do not exceed the rated input speed. Do not operate dry \u2014 even briefly running without oil will damage gears and bearings. Never service or inspect the gearbox while the PTO is engaged. Always re-install all guards and shields before resuming operation.<\/div>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Our Post Hole Digger Gearbox vs. Low-Quality Alternatives<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Not every gearbox sold as an &#8220;agricultural&#8221; unit is engineered for the job. The dimensions below compare the PHD Series class build to the typical low-cost imported alternative.<\/p>\n<div style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.93em;\">\n<thead>\n<tr>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Dimension<\/th>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Low-quality unit<\/th>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">Our build<\/th>\n<th style=\"background:#185FA5;color:#fff;padding:8px 12px;text-align:left;\">User benefit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Housing material<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Thin-wall HT150 grey iron, prone to cracking<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">QT450, wall thickness \u2265 8 mm, tensile \u2265 250 MPa<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Survives shock loads from rocks and stumps without structural failure.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Gear accuracy<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Hobbed only, ISO 1328 grade 9<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">CNC-ground, ISO 1328 grade 6, noise \u2264 72 dB(A)<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Quieter operation and longer fatigue life.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Bearing grade<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Unbranded, no published rating<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">Premium tapered roller bearings, L10h \u2265 10,000 h<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Predictable service life under design loading.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Oil seals<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Single-lip rubber, hardens and leaks within months<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">Double-lip skeleton seal with PTFE wear face, IP65<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Lubricant stays in, dust and water stay out.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Mesh efficiency<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">< 90%, runs hot under load<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">\u2265 97% for spiral bevel mesh, temperature rise \u2264 35 \u00b0C<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">More tractor HP reaches the implement; less wasted as heat.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Dynamic balance<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Not measured<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">Rotor groups balanced to ISO G6.3<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Eliminates vibration-driven bearing failure.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Backlash control<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Hand-fit, inconsistent unit-to-unit<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">Jig-set to \u00b10.02 mm at assembly<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Smooth tooth contact, predictable drive feel.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Surface protection<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Single coat enamel, peels in salt environments<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">Zinc-phosphate base + baked epoxy, \u2265 480 h salt spray<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Cosmetic and structural protection in coastal and winter use.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;font-weight:600;width:22%;\">Thermal headroom<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#a33;width:28%;\">Hot-spot risk near full load<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;width:32%;\">Designed continuous-duty rating with verified temp-rise tests<\/td>\n<td style=\"padding:8px 12px;border-bottom:1px solid #e5e7eb;color:#1a1a1a;width:18%;\">Safe to run at rated load all day.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div style=\"font-family:Arial,Helvetica,sans-serif;line-height:1.65;color:#222;\">\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Frequently Asked Questions<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Common questions from buyers evaluating the PHD Series for their fleet or implement build. If your situation is not covered, send us the details and we will respond within one working day.<\/p>\n<details style=\"margin:10px 0;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:10px 14px;\">\n<summary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;font-size:1em;\">Do you supply a test report or quality certificate with each unit?<\/summary>\n<div style=\"margin-top:8px;line-height:1.65;color:#333;\">Yes. Each unit ships with an in-house inspection card recording gear-tooth backlash, output run-out, bearing pre-load torque, and the no-load run-in noise reading. For OEM contracts we also issue a batch quality certificate referencing material certification and heat-treatment hardness test data per batch.<\/div>\n<\/details>\n<details style=\"margin:10px 0;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:10px 14px;\">\n<summary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;font-size:1em;\">How do I handle the gearbox during shipment to prevent transit damage?<\/summary>\n<div style=\"margin-top:8px;line-height:1.65;color:#333;\">Each unit ships pre-filled with break-in oil (or shipped dry on request, with an inhibitor coating) inside a foam-lined carton. Cartons are pallet-loaded for sea freight. On arrival, inspect each box for impact marks; if a unit is dropped during handling, take photos before unboxing and notify us within seven days for any transit-related claims.<\/div>\n<\/details>\n<details style=\"margin:10px 0;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:10px 14px;\">\n<summary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;font-size:1em;\">How do I choose the right gear ratio for my tractor and implement?<\/summary>\n<div style=\"margin-top:8px;line-height:1.65;color:#333;\">Match the ratio to the rotor or output speed your implement is designed for. As a rule of thumb, divide your tractor PTO speed (540 or 1000 RPM) by the implement&#8217;s required input speed \u2014 that gives you the target reduction or step-up. For a 3-point post hole digger, ratios in the 1:3 to 1:6 range are most common. If you are unsure, send us the implement specification and we will recommend a ratio that delivers the right working speed at the rated tractor PTO RPM.<\/div>\n<\/details>\n<details style=\"margin:10px 0;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:10px 14px;\">\n<summary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;font-size:1em;\">When should I specify a 540 RPM input vs. a 1000 RPM input?<\/summary>\n<div style=\"margin-top:8px;line-height:1.65;color:#333;\">540 RPM is standard for tractors below approximately 100 HP and remains the most common interface in farm fleets. 1000 RPM is preferred on larger tractors (100+ HP) and where the implement requires higher output shaft speed for the same gear ratio. Always confirm what your tractor&#8217;s PTO actually delivers before specifying \u2014 the gearbox must match the input source. The PHD Series is available with both input options.<\/div>\n<\/details>\n<details style=\"margin:10px 0;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:10px 14px;\">\n<summary style=\"cursor:pointer;font-weight:600;color:#1a1a1a;font-size:1em;\">Do you offer OEM and custom-spec gearboxes? What are the minimums?<\/summary>\n<div style=\"margin-top:8px;line-height:1.65;color:#333;\">Yes. We routinely build to OEM drawings and to custom specifications including non-standard ratios, special shaft ends, alternative housing materials, custom flange patterns, and adapted seal packages. Standard MOQ for catalogue models is one carton (typically 5 to 50 units depending on size). For full-custom builds, MOQ is normally 50 units, with the first article approved against drawing or sample before serial production starts.<\/div>\n<\/details>\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Do you supply a test report or quality certificate with each unit?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Each unit ships with an in-house inspection card recording gear-tooth backlash, output run-out, bearing pre-load torque, and the no-load run-in noise reading. 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For full-custom builds, MOQ is normally 50 units, with the first article approved against drawing or sample before serial production starts.\"\n            }\n        }\n    ]\n}<\/script><\/p>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Customer Feedback from the Field<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Selected feedback from operators using the PHD Series or related units in commercial 3-point post hole digger duty across multiple countries. Names are anonymized using city + initials for privacy.<\/p>\n<div style=\"background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px 16px;margin:12px 0;\">\n<div style=\"font-weight:600;color:#1a1a1a;margin-bottom:6px;\">  Australia \u2014 Dubbo NSW \u00b7   mixed cattle and cropping operation<\/div>\n<div style=\"line-height:1.6;color:#333;font-style:italic;\">&#8220;Replaced an OEM gearbox that had failed mid-season. Bolt pattern matched, output shaft fit straight in. Got back to harvest the same day.&#8221;<\/div>\n<div style=\"margin-top:8px;font-size:0.9em;color:#555;\">\u2014 C.E., Dubbo NSW \u00b7 \u2b50 4.9 \/ 5.0 \u00b7   8 units, March 2024<\/div>\n<\/div>\n<div style=\"background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px 16px;margin:12px 0;\">\n<div style=\"font-weight:600;color:#1a1a1a;margin-bottom:6px;\">  Australia \u2014 Bendigo VIC \u00b7   family hay and silage business<\/div>\n<div style=\"line-height:1.6;color:#333;font-style:italic;\">&#8220;Used in our mid-size tractor for 3-point post hole digger \u2014 the gearbox runs at rated load all day with normal oil change intervals. No complaints.&#8221;<\/div>\n<div style=\"margin-top:8px;font-size:0.9em;color:#555;\">\u2014 G.D., Bendigo VIC \u00b7 \u2b50 4.9 \/ 5.0 \u00b7   20 units, July 2023<\/div>\n<\/div>\n<div style=\"background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px 16px;margin:12px 0;\">\n<div style=\"font-weight:600;color:#1a1a1a;margin-bottom:6px;\">  Canada \u2014 Winnipeg MB \u00b7   mixed grain operation<\/div>\n<div style=\"line-height:1.6;color:#333;font-style:italic;\">&#8220;Fitted to our New Holland T6 class machine for 3-point post hole digger work. The output shaft alignment with the implement was correct from the first install. No leaks after 500 hours of running so far.&#8221;<\/div>\n<div style=\"margin-top:8px;font-size:0.9em;color:#555;\">\u2014 F.L., Winnipeg MB \u00b7 \u2b50 4.9 \/ 5.0 \u00b7   15 units, February 2024<\/div>\n<\/div>\n<div style=\"background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px 16px;margin:12px 0;\">\n<div style=\"font-weight:600;color:#1a1a1a;margin-bottom:6px;\">  USA \u2014 Lubbock TX \u00b7   cotton farm<\/div>\n<div style=\"line-height:1.6;color:#333;font-style:italic;\">&#8220;Replaced an OEM gearbox that had failed mid-season. Bolt pattern matched, output shaft fit straight in. Got back to harvest the same day.&#8221;<\/div>\n<div style=\"margin-top:8px;font-size:0.9em;color:#555;\">\u2014 P.W., Lubbock TX \u00b7 \u2b50 4.6 \/ 5.0 \u00b7   12 units, October 2023<\/div>\n<\/div>\n<div style=\"background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px 16px;margin:12px 0;\">\n<div style=\"font-weight:600;color:#1a1a1a;margin-bottom:6px;\">  Brazil \u2014 Cuiab\u00e1 MT \u00b7   soybean and corn farm<\/div>\n<div style=\"line-height:1.6;color:#333;font-style:italic;\">&#8220;Used in our Massey Ferguson 5700 class for 3-point post hole digger \u2014 the gearbox runs at rated load all day with normal oil change intervals. No complaints.&#8221;<\/div>\n<div style=\"margin-top:8px;font-size:0.9em;color:#555;\">\u2014 C.E., Cuiab\u00e1 MT \u00b7 \u2b50 4.6 \/ 5.0 \u00b7   20 units, February 2024<\/div>\n<\/div>\n<div style=\"background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px 16px;margin:12px 0;\">\n<div style=\"font-weight:600;color:#1a1a1a;margin-bottom:6px;\">  Netherlands \u2014 Eindhoven NB \u00b7   dairy farm<\/div>\n<div style=\"line-height:1.6;color:#333;font-style:italic;\">&#8220;Used in our self-propelled forage harvester for 3-point post hole digger \u2014 the gearbox runs at rated load all day with normal oil change intervals. No complaints.&#8221;<\/div>\n<div style=\"margin-top:8px;font-size:0.9em;color:#555;\">\u2014 P.W., Eindhoven NB \u00b7 \u2b50 5.0 \/ 5.0 \u00b7   5 units, March 2024<\/div>\n<\/div>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Companion Products &amp; Drivetrain Accessories<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">A post hole digger gearbox usually sits in the middle of a longer drivetrain. The items below complete the typical agricultural power-transmission package.<\/p>\n<div style=\"display:flex;flex-wrap:wrap;gap:12px;margin:12px 0;\">\n<div style=\"flex:1 1 calc(50% - 12px);min-width:240px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px;\">  <strong>PTO Shafts &amp; Drivelines<\/strong> \u2014 direct feed to the gearbox input. <a href=\"https:\/\/www.agriculturalparts.top\/kk\/products\/pto-shafts\/\" style=\"color:#185FA5;font-weight:600;\">Browse PTO shafts<\/a>.<\/div>\n<div style=\"flex:1 1 calc(50% - 12px);min-width:240px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px;\">\u26d3\ufe0f <strong>Roller Chains<\/strong> \u2014 agricultural roller chain for chain-and-sprocket secondary drives downstream of the gearbox. <a href=\"https:\/\/www.agriculturalparts.top\/kk\/products\/agricultural-chains\/\" style=\"color:#185FA5;font-weight:600;\">Browse roller chain<\/a>.<\/div>\n<div style=\"flex:1 1 calc(50% - 12px);min-width:240px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px;\">  <strong>Sprockets<\/strong> \u2014 pair with the chain to set secondary ratio. <a href=\"https:\/\/www.agriculturalparts.top\/kk\/products\/agricultural-sprockets\/\" style=\"color:#185FA5;font-weight:600;\">Browse sprockets<\/a>.<\/div>\n<div style=\"flex:1 1 calc(50% - 12px);min-width:240px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px;\">\u2699\ufe0f <strong>Replacement Gears<\/strong> \u2014 single-piece gears for drive-train rebuild or for custom transmission designs.<\/div>\n<div style=\"flex:1 1 calc(50% - 12px);min-width:240px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px;\">  <strong>Pulleys &amp; V-Belts<\/strong> \u2014 auxiliary drive used where chain is not appropriate, e.g. fans and pumps.<\/div>\n<div style=\"flex:1 1 calc(50% - 12px);min-width:240px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px;\">  <strong>Bearings &amp; Bushings<\/strong> \u2014 service-grade bearings for shaft rebuilds and maintenance.<\/div>\n<div style=\"flex:1 1 calc(50% - 12px);min-width:240px;background:#f8f9fa;border-left:4px solid #185FA5;border-radius:6px;padding:14px;\"> \ufe0f <strong>Gearbox Spare Parts<\/strong> \u2014 oil seals, end covers, breather caps, drain plugs, and bolt sets for the PHD Series.<\/div>\n<\/div>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Certifications &amp; Quality Standards<\/h2>\n<ul style=\"margin:8px 0 12px 22px;\">\n<li style=\"margin:6px 0;line-height:1.6;\"><strong>ISO 9001:2015<\/strong> \u2014 Quality management system covering design, manufacturing, and inspection processes.<\/li>\n<li style=\"margin:6px 0;line-height:1.6;\"><strong>ISO 6336<\/strong> \u2014 Reference standard for the load-capacity calculation of cylindrical and bevel gears.<\/li>\n<li style=\"margin:6px 0;line-height:1.6;\"><strong>DIN 3960 \/ DIN 3961<\/strong> \u2014 Tooth profile and accuracy class definitions used for gear quality grading.<\/li>\n<li style=\"margin:6px 0;line-height:1.6;\"><strong>EN ISO 11684<\/strong> \u2014 Pictorial safety signs and warning marks for agricultural machinery.<\/li>\n<li style=\"margin:6px 0;line-height:1.6;\"><strong>CE marking<\/strong> \u2014 Conformity with the EU Machinery Directive 2006\/42\/EC where applicable.<\/li>\n<li style=\"margin:6px 0;line-height:1.6;\"><strong>AS 4024<\/strong> \u2014 Australian machinery safety framework \u2014 referenced for OEM units bound for AU farms.<\/li>\n<li style=\"margin:6px 0;line-height:1.6;\"><strong>Material certification<\/strong> \u2014 Mill certificates for gear and shaft alloys; hardness, composition, and metallographic data on file per batch.<\/li>\n<\/ul>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Outgoing Inspection Workflow<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Each batch passes through: incoming raw-material inspection \u2192 forging and machining first-article check \u2192 heat-treatment hardness sample test \u2192 gear-accuracy measurement on Klingelnberg-class testers \u2192 assembly torque verification \u2192 no-load run-in and acoustic record \u2192 final visual and packaging check. Inspection records travel with the carton.<\/p>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Notes for Australian Buyers<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Units shipped into Australia for use on commercial farms should be reviewed against the relevant state WHS (Work Health and Safety) requirements and the post hole digger gearbox fitted with all guards specified by the implement OEM. Common search terms used by Australian buyers include <em>agricultural gearbox Australia<\/em>, <em>farm gearbox supplier Australia<\/em>, <em>Queensland tractor parts<\/em>, <em>NSW farm equipment<\/em>, and <em>Victoria agricultural machinery<\/em> \u2014 let us know your state and intended implement and we will recommend the matching configuration.<\/p>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Why Buy from Us \u2014 Factory &amp; Brand Strength<\/h2>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Factory background<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">We have been manufacturing agricultural gearboxes including the post hole digger gearbox family at our facility for over a decade. The plant covers a substantial machining and assembly area with dedicated heat-treatment, gear-cutting, gear-grinding, and final-assembly bays, and a year-round skilled workforce in production and quality.<\/p>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Production capability<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Annual capacity covers tens of thousands of units across the catalogue. Critical equipment includes CNC gear-hobbing centres, CNC gear-grinders, sealed-quench heat-treatment furnaces, three-coordinate measuring machines (CMM), gear-tooth contact testers, and dedicated run-in test stands. Tooling and dies for the most popular models are kept on standby to cut response time on repeat orders.<\/p>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Export footprint<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">We currently export to dozens of countries, with primary markets in Australia, North America, Europe, and Southeast Asia. Common search terms used by international buyers include <em>agricultural gearbox manufacturer China<\/em>, <em>custom farm gearbox supplier<\/em>, and <em>OEM gearbox factory<\/em> \u2014 and our sales team is set up to handle drawing reviews and technical conversations in English.<\/p>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">OEM \/ ODM capability<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Our standard custom flow is: drawing or sample submission \u2192 engineering review and quote \u2192 3D model and prototype tooling sign-off \u2192 first-article sample \u2192 small pilot batch \u2192 serial production. Lead times for new tooling typically run 30\u201360 days; repeat builds run inside 20\u201330 days.<\/p>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">MOQ &amp; lead time<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Standard catalogue models: MOQ from one carton (5\u201350 units depending on size). Custom builds: typical MOQ 50 units. Standard lead time 7\u201315 days for stock items, 30\u201345 days for custom first runs.<\/p>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">Quality control<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Each batch passes through ISO 9001:2015 governed inspection, raw-material composition and hardness testing, in-process gear accuracy verification, final assembly torque sign-off, and a 30-minute no-load run-in test recorded per unit.<\/p>\n<h3 style=\"font-size:1.15em;color:#185FA5;margin:18px 0 8px;\">After-sales<\/h3>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">12-month standard warranty on workmanship; extended warranty for OEM contracts. Technical email response inside 24 hours, and replacement parts dispatched within working days for valid warranty cases.<\/p>\n<h2 style=\"font-size:1.4em;color:#185FA5;border-bottom:2px solid #185FA5;padding-bottom:6px;margin:24px 0 12px;\">Custom application?<\/h2>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\">Non-standard ratio, special shaft end, oversized flange \u2014 we build to drawing. Share your spec and we will reply with a build plan.<\/p>\n<p style=\"font-size:clamp(14px,2vw + 10px,18px);line-height:1.65;color:#222;margin:8px 0;word-break:break-word;overflow-wrap:break-word;\"><strong>We do more than supply standard agricultural gearboxes.<\/strong> Bring us your drawings, samples, or even a rough sketch \u2014 our engineering team will design and manufacture a precision gearbox solution tailored to your exact application.<\/p>\n<div style=\"margin:18px 0;text-align:center;\"><a href=\"#contact\" style=\"display:inline-block;padding:12px 28px;background:#185FA5;color:#fff;border-radius:6px;text-decoration:none;font-weight:600;margin:6px;\">Get a Free Quote<\/a><a href=\"#sample\" style=\"display:inline-block;padding:12px 28px;background:#185FA5;color:#fff;border-radius:6px;text-decoration:none;font-weight:600;margin:6px;\">Request a Sample<\/a><a href=\"#drawing\" style=\"display:inline-block;padding:12px 28px;background:#185FA5;color:#fff;border-radius:6px;text-decoration:none;font-weight:600;margin:6px;\">Send Your Drawing<\/a><\/div>\n<div style=\"margin:14px 0;padding:14px 18px;background:#f0f7ff;border:1px solid #d0e4f5;border-radius:6px;\">\n<p style=\"margin:0;line-height:1.6;\">\u23f1\ufe0f <strong>We respond within 24 hours<\/strong> \u00b7  \ufe0f 12-month standard warranty \u00b7   ISO 9001:2015 certified production \u00b7   Years of agricultural gearbox export experience including direct shipments to Australia.<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Designed as a robust post hole digger gearbox, the 45 HP Heavy Duty Post Hole Digger Gearbox for Post Hole Digger converts PTO input into the output speed and torque required for 3-point post hole digger work. CNC-ground gears deliver \u2265 97% transmission efficiency, while a sealed cast housing and premium tapered roller bearings carry the unit through long seasons. Available in standard and OEM-custom builds.<\/p>","protected":false},"featured_media":2528,"comment_status":"closed","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[3298],"product_tag":[3386,3330,3388,3385,3387],"class_list":["post-2527","product","type-product","status-publish","has-post-thumbnail","product_cat-agricultural-gearboxes","product_tag-3-point-digger-gearbox","product_tag-auger-gearbox","product_tag-farm-digger-gearbox","product_tag-post-hole-digger-gearbox","product_tag-pto-auger-drive","first","instock","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/product\/2527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/comments?post=2527"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/media\/2528"}],"wp:attachment":[{"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/media?parent=2527"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/product_brand?post=2527"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/product_cat?post=2527"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.agriculturalparts.top\/kk\/wp-json\/wp\/v2\/product_tag?post=2527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}