ZF 0730.306.457 WASHER | OEM Genuine Part

Overview

The ZF 0730.306.457 WASHER is a precision-engineered OEM genuine component designed to maintain critical axial clearance and sealing integrity within heavy-duty ZF construction machinery transmissions. This hardened steel washer sits between rotating shafts and stationary housings, preventing metal-on-metal contact while ensuring proper oil flow distribution. As part number 0730.306.457, it is frequently replaced alongside the 4699101159 HOUSING and 4699301254 HOUSING during major transmission overhauls. Its precise thickness directly impacts clutch pack engagement and planetary gear alignment, making it a critical wear item for maintaining OEM performance specifications.

Symptoms of Failure

• Transmission oil leaks at housing mating surfaces – A worn or compressed washer allows fluid to bypass the seal, causing visible drips near the 4699298049 HOUSING KIT interface.
• Gear slipping under load in construction equipment – Insufficient washer thickness reduces clutch pack clamping force, leading to intermittent power loss during excavation or grading operations.
• Metallic debris in transmission fluid – As the washer degrades, microscopic steel particles contaminate the oil, often detected during routine filter inspections.
• Abnormal whining noise from transmission housing – Excessive axial play caused by washer wear generates a high-pitched sound, particularly when shifting between forward and reverse gears.

Technical Specifications

Compatibility

This washer is engineered for ZF WG180, WG200, and WG211 series transmissions commonly used in wheel loaders, excavators, and telehandlers. It directly interfaces with the 4699309123 HOUSING COVER assembly. While primarily designed for construction machinery, it also fits select ZF 4WG-200 and 6WG-200 off-highway transmissions. Always verify your transmission serial number against OEM specifications before ordering.

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