ZF 0730.008.721 WASHER | OEM Genuine Part

Overview

The ZF 0730.008.721 WASHER is an OEM genuine precision shim engineered for critical load distribution within heavy-duty construction machinery transmissions. This hardened steel component sits between the planetary gear set and the 2094101014: TRANSMISSION HOUSING, ensuring correct axial clearance and preventing metal-on-metal contact under high torque conditions. As a factory-specified spacer, the SKU 0730.008.721 maintains the exacting tolerances required for ZF power-shift transmissions, directly influencing gear alignment and hydraulic pressure stability. Without this washer, the entire rotating assembly risks excessive end-play, leading to premature wear of adjacent bearings and seals.

Symptoms of Failure

• Transmission oil leaks at housing joint — A worn 0730.008.721 washer allows the gear stack to shift, distorting the 2094301046: HOUSING seal surface, causing fluid seepage around the PTO cover.
• Gear slipping under load in construction equipment — When the washer thickness degrades, clutch pack clearance increases, resulting in delayed engagement and power loss during excavation or grading operations.
• Metallic grinding noise from transmission sump — A collapsed washer permits the sun gear to contact the 2094298053: HOUSING, producing audible chatter and fine metal particles in the oil filter.
• Hard shifting between forward and reverse — Incorrect axial play from a failed washer disrupts the 0630361034: SEALING CAP alignment, causing erratic hydraulic modulation in the valve body.

Technical Specifications

Compatibility

This washer is integral to ZF WG-series powershift transmissions commonly found in wheel loaders, graders, and telehandlers. It directly fits the following models: WG180, WG200, WG210, and WG310. The 0730.008.721 is also used in certain ErgoPower and Ecolife variants where planetary gear preload is critical. Always verify the washer thickness against your service manual, as using an incorrect shim can damage the 2094101014: TRANSMISSION HOUSING bore.

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