ZF 0630.000.102 SHIM RING | OEM Genuine Part

Overview

The ZF 0630.000.102 SHIM RING is a precision-engineered OEM genuine component designed for critical axial clearance adjustment within heavy-duty ZF construction machinery transmissions. This thin, hardened steel ring sits between the planetary gear set and the housing assembly, ensuring correct preload and gear mesh alignment. The SKU 0630.000.102 is factory-specified to maintain exact tolerances, preventing internal component wear. When installed alongside the 4699101086 HOUSING or the 4699301223 HOUSING, this shim ring guarantees that rotating assemblies remain within operational specifications.

Symptoms of Failure

• Transmission gear slipping under load: A worn or collapsed shim ring allows excessive axial play, causing gears to lose positive engagement during heavy digging or hauling operations.
• Abnormal metallic grinding noise from the transmission housing: When clearance is lost, planetary gears contact the 4699301222 COVER or housing walls, producing a distinct high-pitched grinding sound.
• Oil contamination with fine metallic particles: Degraded shim rings shed material into the transmission fluid, visible as silver glitter during oil changes, indicating imminent bearing or gear damage.
• Intermittent driveline vibration: Uneven shim wear creates rotational imbalance, felt as a rhythmic shudder through the chassis during acceleration or deceleration.

Technical Specifications

Compatibility

This shim ring is engineered for ZF WG series powershift transmissions commonly used in wheel loaders, dozers, and excavators. It directly fits the following ZF models: WG180, WG200, WG210, and WG240. It is also compatible with certain ZF Ecomat 5HP and 6HP series where planetary gear preload adjustment is required. Always verify the selective fit thickness against your transmission’s service manual before installation.

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