John Deere Header Upper Feeder House Variable Sheave-H204872

John Deere Header Upper Feeder House Variable Sheave-H204872Description: Aftermarket outer half sheave designed for the variable speed feederhouse drive system on JD combines. Built as a heavy duty replacement for the OEM component, this unit provides smooth feed conveyor operation, maintains belt alignment and tension, and helps reduce downtime during high capacity harvest seasons. Type: Sheave half variable speed outer sheave, precision machined forged steel Replaces OEM: H204872 Function: Drives the

Fits Models: John Deere S650

directs cleaned grain and removes light material

Function: Provides low-friction pivoting for shaker arms

and maintain a clean grain sample during long harvest days

mounting flange bolt pattern

The chain and paddles keep grain upright

6–9 kg (varies by set configuration)

Installed in the tailings handling system

this wobble box delivers smooth oscillating motion to the cutterbar for clean

and compatible Axial-Flow models using this rear axle pivot configuration (confirm serial-specific fitment)

and helps reduce downtime during high-capacity harvest seasons

Function: Performs initial grain and chaff separation by regulating airflow and material flow at the front of the cleaning system