Sprockets for Tractors — Chain-Driven Implement and PTO Systems
Tractor sprockets drive the chain mechanisms in PTO-powered implements, front-end loader chain drives, track-type tractor undercarriage systems, and auxiliary equipment chains. Australian agricultural conditions — extreme heat, red dust, crop residue, and seasonal peak loading — demand sprockets with hardened teeth, corrosion protection, and robust construction. We supply tractor sprockets in ANSI #40–#80 and ISO 08B–16B with zinc or zinc-nickel plating for outdoor durability.
مشخصات فنی
| پارامتر | محدوده | سفارشی |
|---|---|---|
| گام | 12.7–25.4mm (1/2″–1″) | بله |
| زنجیره | ANSI #40, #50, #60, #80 / ISO 08B–16B | بله |
| دندانها | 13–45T | ۹–۷۶تی |
| مواد | C45 / 4140 | SS304 |
| سختی | HRC 40–50 | — |
| سطح | Zinc plated | Zinc-nickel, HDG |
| هاب | B-Hub keyed | TL, QD |
| سوراخ | H7, 15–50mm | To shaft spec |
| تیر | ≤0.03 میلیمتر | — |
| دما | -10°C to +60°C | — |
| Dust Protection | Sealed bearing idlers avail. | — |
| کلیدراه | DIN 6885 / AS 1403 | امپریال |
| استرند | Simplex / Duplex | — |
| سرعت | Up to 1,000 RPM | — |
| PD (21T #60) | 127.8mm | — |
| OD (21T #60) | 139.4mm | — |
| Max Bore (21T #60) | 38mm | TL extends |
| Weight (21T #60) | 1.8 kg | — |
| روانکاری | Grease or oil | — |
| گواهی | ISO 9001 | EN 10204 3.1 |
Advantages vs Inferior
✅ Zinc-plated as standard — inferior sprockets ship bare steel, rust within weeks outdoors.
✅ HRC 40-50 hardened teeth — handles dust abrasion. Unhardened teeth wear rapidly in sandy conditions.
✅ Precision bore for vibration-free PTO operation — loose bores damage tractor shafts during peak harvest.
Working Principle in Tractors
Tractor sprockets are located on PTO-driven implement shafts, front-end loader chain drives, and track-type undercarriage drive systems. The sprocket on the PTO output shaft or implement gearbox engages roller chain to drive seed drills, fertiliser spreaders, slashers, and other chain-driven attachments. In tracked tractors, the drive sprocket engages track links to propel the machine.
Key locations: PTO output, implement drive shaft, loader chain, undercarriage. عملکرد: Transfer engine power to agricultural implements and ground drive.
Compatibility
نصب شده: Compatible with John Deere*, Case IH*, New Holland*, Kubota*, Massey Ferguson* tractor and implement chain drives.
*Compatibility reference only.
Selection / Install / Troubleshoot
انتخاب کنید: Match chain pitch → measure shaft bore → tooth count for speed → zinc for outdoor.
نصب: Disengage PTO → remove implement chain → swap sprocket → align → tension → lubricate → test at low PTO speed.
مسائل: Rapid wear = dust ingress (improve guarding). Chain jumping = elongated chain (replace both). Noise = dry chain (lubricate). Vibration = loose bore (check keyway fit).
مطالعات موردی
Moree, NSW: “Zinc-plated #60 sprockets on our JD seeder. Survived two dusty seasons. No rust.” ★★★★★
Dubbo, NSW: “#50 on our feed mixer. Hardened teeth handling grain dust abrasion. Good value.” ★★★★★
Toowoomba, QLD: “Replacement sprockets for our Case IH implements. Dimensional match was perfect.” ★★★★☆
Geraldton, WA: “#80 on our front-end loader chain. 4140 steel handling the shock loads.” ★★★★★
Murray Bridge, SA: “Bulk order for our fleet. Consistent quality across 50+ sprockets.” ★★★★★
سوالات متداول
Best surface treatment for dusty farms?
Compatible with JD/Case IH?
Imperial bore sizes?
Pre-harvest bulk order?
حداقل سفارش؟
Agricultural Chains
Tensioners
✅ ISO 9001 ✅ ANSI/ISO ✅ Zinc-plated standard | Ever-Power: 15+ yrs, agricultural range, Aus delivery.
