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<\/p>\nThe combine harvester is the single most valuable piece of machinery on any broadacre grain farm in Australia, and the chain-and-sprocket drive systems that run inside it are what keep the machine turning through harvest. From the feeder house conveyor dragging cut crop into the threshing cylinder, to the clean grain elevator lifting threshed grain into the header tank, to the returns elevator recycling incompletely threshed material \u2014 every conveying position relies on sprockets that mesh accurately, resist wear under continuous loading, and survive the brutal dust, heat, and abrasive conditions of an Australian grain harvest.<\/p>\n
We manufacture and supply a complete range of agricultural sprockets for combine harvester applications \u2014 S-type chain sprockets, CA-type elevator sprockets, ANSI roller chain sprockets, and plate wheel configurations \u2014 all produced to exact OEM pitch and tooth profile standards. Our sprockets are interchangeable replacements for the OEM units fitted to John Deere, Case IH, New Holland, Claas, and Fendt combines, at a fraction of the OEM price point and with equivalent or superior material specification.<\/p>\n
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A modern combine harvester runs between six and ten separate chain-and-sprocket drives simultaneously at peak operation. Each position has a different load profile, speed, and exposure to abrasive material. Understanding the function of each drive position is the foundation of correct sprocket specification.<\/p>\n
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Australian grain harvest imposes conditions on combine drive sprockets that are more severe than virtually any other combine-operating environment globally. Three factors make Australian combine sprockets wear faster than OEM service intervals predict:<\/p>\n
We have engineered our combine harvester sprocket range specifically to address these three Australian-specific failure mechanisms. Our induction-hardened tooth flanks and precision pitch dimensions make our sprockets the technically correct replacement choice \u2014 not just the economical one.<\/p>\n
Selecting the correct sprocket for a combine harvester drive requires matching three parameters precisely: the chain standard (S-type, CA-type, ANSI), the number of teeth (which determines drive ratio), and the bore configuration (plain bore, keyway, or taper-lock). The table below covers the most common combine harvester sprocket specifications we supply.<\/p>\n
| Chain Standard<\/th>\n | Chain Pitch<\/th>\n | Tooth Range<\/th>\n | Bore Options<\/th>\n | Typical Combine Position<\/th>\n | Hardness Treatment<\/th>\n<\/tr>\n<\/thead>\n | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
S42<\/strong><\/td>\n| 34.93 mm<\/td>\n | 8\u201332T<\/td>\n | Pilot bore, finished bore, taper-lock<\/td>\n | Feeder house (mid-size combine)<\/td>\n | Induction hardened tooth flank HRC 50\u201355<\/td>\n<\/tr>\n | S52<\/strong><\/td>\n | 38.10 mm<\/td>\n | 8\u201328T<\/td>\n | Pilot bore, finished bore, taper-lock<\/td>\n | Feeder house (standard \u2014 most common)<\/td>\n | Induction hardened HRC 50\u201355<\/td>\n<\/tr>\n | S55<\/strong><\/td>\n | 41.40 mm<\/td>\n | 8\u201324T<\/td>\n | Pilot bore, taper-lock<\/td>\n | Wide-header feeder house<\/td>\n | Induction hardened HRC 50\u201355<\/td>\n<\/tr>\n | CA550<\/strong><\/td>\n | 41.40 mm<\/td>\n | 9\u201315T<\/td>\n | Finished bore, keyway<\/td>\n | Clean grain elevator head and boot<\/td>\n | Case hardened HRC 45\u201352<\/td>\n<\/tr>\n | CA555 \/ CA620<\/strong><\/td>\n | 41.40 \/ 45.72 mm<\/td>\n | 9\u201315T<\/td>\n | Finished bore, keyway<\/td>\n | Returns elevator and tailings system<\/td>\n | Case hardened HRC 45\u201352<\/td>\n<\/tr>\n | ANSI 60 \/ ANSI 80<\/strong><\/td>\n | 19.05 \/ 25.40 mm<\/td>\n | 10\u201360T<\/td>\n | Pilot bore, finished bore, taper-lock, plate wheel<\/td>\n | Header auger and straw walker drives<\/td>\n | Case hardened or through hardened<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n | How to Select the Correct Sprocket for Your Combine<\/h3>\n
Why Our Combine Harvester Sprockets Outperform OEM in Australian Conditions<\/h2>\nWe have been manufacturing agricultural drive sprockets for over 20 years, exporting to more than 40 countries including Australia, New Zealand, the United States, Canada, and throughout Europe. Our annual production capacity exceeds 2 million sprockets, supported by a dedicated R&D team of 18 engineers focused exclusively on agricultural transmission components. Here is why Australian combine operators and machinery dealers choose our sprockets over OEM replacements:<\/p>\n
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