ZF 2049.309.525 SHIM | OEM Genuine Part

Overview

The ZF 2049.309.525 SHIM is a precision-engineered OEM genuine part designed to establish critical axial clearances within ZF powershift transmissions used in construction machinery. This thin, hardened steel component sits between the transmission housing and bearing assemblies, ensuring proper preload and alignment of rotating shafts. The SKU 2049.309.525 is essential for maintaining gear mesh accuracy and preventing internal component wear. When installed alongside the 2094101012: TRANSMISSION HOUSING, this shim compensates for manufacturing tolerances, allowing technicians to achieve exact end-play specifications during rebuilds or repairs.

Symptoms of Failure

When the ZF 2049.309.525 SHIM becomes worn, crushed, or corroded, operators may notice several distinct failure indicators. Excessive axial play in the transmission input shaft is a primary symptom, often felt as a clunking sensation during gear engagement. Oil leaks at the housing joint can develop if the shim’s thickness degrades, compromising the seal between the 2094301036: HOUSING and the main case. Gear slipping under load occurs when lost shim thickness reduces clutch pack clamping force, leading to intermittent power loss. Unusual whining or grinding noises from the transmission bell housing often indicate that bearing preload has been lost due to shim deterioration.

Technical Specifications

Compatibility

This shim is specifically engineered for ZF WG series powershift transmissions commonly found in wheel loaders, graders, and telehandlers. It is a direct fit for the ZF WG180, WG200, and WG211 transmission models. The 2049.309.525 is also used in certain ZF 4WG-200 and 6WG-200 variants. Always verify clearance requirements when pairing this shim with the 2094298057: HOUSING and the 2094301071: COVER assembly, as stack-up tolerances may require different shim thicknesses.

Related Components

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