ZF 0730.005.774 WASHER for WG201 | OEM Genuine Part

Overview

The ZF 0730.005.774 WASHER is a precision-engineered OEM genuine component designed specifically for the WG 201 series transmission. This hardened steel washer functions as a critical load-spreading and sealing interface within the planetary gearset assembly, positioned between the sun gear shaft and the adjacent housing bore. By maintaining precise axial clearance, it prevents metal-on-metal contact that could lead to premature gear wear. The SKU 0730.005.774 is manufactured to ZF’s exacting tolerances, ensuring consistent clamping force when installed alongside the 4644301189: THREADED BUSH and the 0636302005: SCREW PLUG in the same sub-assembly.

Symptoms of Failure

• Transmission oil seepage at the housing joint — A worn 0730.005.774 washer loses its sealing ability, allowing ATF to weep past the 4644101203: TRANSMISSION HOUSING interface, often visible as a dark stain on the bell housing.
• Audible gear rattle during torque converter lockup — Excessive axial play from a compressed washer creates a metallic chatter, particularly in the WG200 and WG201 models under load.
• Intermittent gear slipping in reverse — When the washer thickness degrades below 0.5mm, clutch pack clearance increases, causing delayed engagement and momentary power loss.
• Increased end-play measured at the output flange — A failed washer allows the main shaft to shift axially, detectable during routine maintenance with a dial indicator.

Technical Specifications

Compatibility

This washer is a direct OEM replacement for the following ZF transmission models: WG180, WG200, WG201, WG210, and WG211 series. It is commonly used in the planetary carrier assembly of 6-speed powershift transmissions found in agricultural tractors and construction loaders. Always verify that the 4644301382: TRANSMISSION HOUSING is free of burrs before installation to ensure proper washer seating.

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