ZF 0730.109.184 SHIM | OEM Genuine Part

Overview

The ZF 0730.109.184 SHIM is a precision-engineered OEM genuine part designed to establish exact axial clearances within ZF heavy-duty transmissions. Positioned between the bearing cover and housing assembly, this thin, hardened steel shim compensates for manufacturing tolerances, ensuring correct preload on planetary gear sets and shafts. The SKU 0730.109.184 is critical for maintaining gear mesh alignment and preventing internal component wear. When installed alongside the 4108101127 HOUSING and 4108201277 HOUSING, this shim guarantees that rotating assemblies remain within factory-specified end-play limits.

Symptoms of Failure

• Excessive axial play in output shaft: A worn or missing shim allows the shaft to drift, causing irregular gear engagement and a clunking noise during acceleration or deceleration.
• Premature bearing failure: Incorrect clearance from a degraded shim forces bearings to operate under improper load, leading to overheating and metallic debris in the transmission fluid.
• Oil seepage at housing joints: When the shim thickness changes due to compression or corrosion, the seal between the 4108301304 BEARING COVER and housing is compromised, resulting in slow leaks around gasket surfaces.
• Gear slipping under load: Inadequate shim support allows planetary carriers to shift, causing intermittent power loss and harsh shifting in construction machinery transmissions.

Technical Specifications

Compatibility

This shim is engineered for ZF WG series powershift transmissions commonly used in construction machinery. It is a direct fit for the WG180, WG200, and WG211 models. The part also applies to select 4WG-200 and 6WG-200 variants where axial shimming of the main drive gear is required. Always verify clearance after installing the 4108306173 GASKET to ensure proper stack height.

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