ZF 0730.109.179 SHIM | OEM Genuine Part

Overview

The ZF 0730.109.179 SHIM is a precision-engineered OEM genuine part designed to establish the correct axial clearance and preload within ZF heavy-duty transmission assemblies. This thin, hardened steel component sits between the bearing cover and housing to compensate for manufacturing tolerances, ensuring optimal gear mesh alignment and load distribution. The SKU 0730.109.179 is critical for maintaining the exact end-play specifications required for long-term reliability in construction machinery transmissions. When installed alongside the 4108301304: BEARING COVER and the 4108101127: HOUSING, this shim prevents metal-to-metal contact and reduces vibration during high-torque operation.

Symptoms of Failure

• Excessive axial play in the output shaft – A worn or missing shim causes the shaft to move back and forth, leading to gear misalignment and premature tooth wear.
• Low-frequency humming or rumbling noise – When the shim compresses or fractures, the bearing preload is lost, creating a distinct noise during acceleration or deceleration.
• Oil leaks at the bearing cover interface – Incorrect shim thickness can distort the 4108201277: HOUSING seal surface, allowing transmission fluid to escape past the 4108306173: GASKET.
• Intermittent gear slipping under load – Loss of proper shim support reduces clutch pack clamping force, causing the transmission to slip when moving heavy loads.

Technical Specifications

Compatibility

This shim is primarily used in ZF WG180, WG200, and WG210 series powershift transmissions found in wheel loaders, graders, and telescopic handlers. It also applies to select ZF 4WG-200 and 6WG-200 variants used in construction machinery. Always verify the shim stack height using the service manual for your specific transmission model. For complete rebuilds, pair this shim with the 0750110040: SHAFT SEAL and 4108302007: BEARINGSHEET to ensure all wear components are replaced simultaneously.

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