ZF 0730.109.171 SHIM | OEM Genuine Part

Overview

The ZF 0730.109.171 SHIM is a precision-engineered OEM genuine component designed for critical axial clearance adjustment within heavy-duty ZF powershift transmissions. This thin, hardened steel shim sits between the transmission housing and bearing assemblies to control end-play and preload on rotating shafts. Proper selection of the SKU 0730.109.171 ensures that gear trains maintain correct alignment under extreme load conditions. Without this shim, internal clearances can deviate, leading to premature wear on adjacent components such as the 4108101127: HOUSING and the 4108201277: HOUSING. It is a low-cost but mission-critical part for transmission rebuilds and overhauls.

Symptoms of Failure

• Excessive gear backlash or clunking during direction changes – When the shim wears or compresses beyond tolerance, axial play increases, causing delayed engagement and audible knocking from the drivetrain.
• Oil leaks at housing mating surfaces – Incorrect shim thickness can distort the 4108301304: BEARING COVER, breaking the seal and allowing transmission fluid to weep from joint lines.
• Premature bearing failure and overheating – Insufficient preload from a collapsed shim allows bearings to skid, generating metallic debris and localized heat that degrades the 4108306173: GASKET.
• Vibration at specific RPM ranges – Worn shims permit shaft resonance, felt as low-frequency vibration through the chassis during acceleration or deceleration.

Technical Specifications

Compatibility

This shim is primarily used in ZF WG series powershift transmissions commonly found in construction machinery. Compatible models include:

• ZF WG180
• ZF WG200
• ZF WG210
• ZF WG120 (select applications)
• ZF 4WG-200 / 4WG-210 series

Always verify shim stack height against factory service manual specifications for your specific transmission serial number.

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