John Deere Header Unloading Splined Auger Coupler-AH124878

Description:

Aftermarket unloading auger coupler designed for JD combines. This coupler connects sections of the unloading auger driveline, transferring torque while maintaining alignment through the unloading system. Built as a durable replacement for the OEM coupler, it restores smooth auger rotation, reduces driveline vibration, and prevents premature wear during heavy grain unloading.

Type: Unloading auger coupler — hardened steel, splined drive interface

Replaces OEM: AH124878

Function: Connects and transfers rotational power between unloading auger shafts, ensuring stable driveline operation and consistent grain discharge

SKU: DCP-AH124878

Dimensions: Approx. 105 mm length × 65 mm diameter (varies slightly by supplier)

Weight: Approx. 1.2–1.6 kg

Value: Factory to Farmer pricing — tough build, honest price

Fits Models: JD 9650STS, 9660STS, 9750STS, 9760STS, 9860STS; JD S550, S650, S660, S670, S680, S690 (confirm serial-specific fitment)