ZF 0730.107.701 WASHER | OEM Genuine Part

Overview

The ZF 0730.107.701 WASHER is a precision-engineered OEM genuine component designed for heavy-duty construction machinery transmissions. This hardened steel washer functions as a critical thrust bearing surface and axial spacer within the planetary gearset assembly, ensuring correct end-play tolerances between rotating shafts and stationary housings. Specifically, it sits between the main shaft shoulder and the adjacent gear hub, distributing clamping loads evenly to prevent fretting and galling. The SKU 0730.107.701 is manufactured to ZF’s original equipment specifications, guaranteeing exact fitment and material hardness for prolonged service life in demanding off-highway applications.

Symptoms of Failure

• Transmission oil leaks at the output flange: When the 0730.107.701 washer wears beyond its tolerance, axial movement of the main shaft can compromise the output seal lip, causing visible drips of ATF fluid around the driveline connection.
• Intermittent gear slipping under load: A collapsed or excessively worn washer reduces preload on the clutch pack, leading to momentary loss of torque transfer when the machine is climbing grades or pushing heavy loads.
• Metallic debris in the oil pan: As the washer surface degrades, fine steel particles circulate through the hydraulic system, often detected during routine oil sampling or when draining the transmission sump.
• Abnormal driveline vibration during deceleration: Excessive axial play caused by a worn washer allows the main shaft to oscillate, producing a low-frequency shudder felt through the chassis when the operator lifts off the throttle.

Technical Specifications

Compatibility

This washer is engineered for ZF WG series powershift transmissions commonly found in construction machinery. It is a direct replacement for the following models: WG180, WG200, WG210, and WG240. These transmissions are installed in wheel loaders, telehandlers, and backhoe loaders from manufacturers such as Liebherr, JCB, and Caterpillar. Always verify the part number against your transmission’s serial plate before installation.

During a full rebuild of the main shaft assembly, this washer is installed alongside the 2094104412 MAIN SHAFT and the 2094304054 MAIN SHAFT to ensure correct axial clearance. The 2094106010 SHIFT SYSTEM and 2094206001 GEARSHIFT SHAFT also interface with this washer during clutch pack engagement cycles.

Related Components

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