ZF 0630.001.139 WASHER | OEM Genuine Part

Overview

The ZF 0630.001.139 WASHER is an OEM genuine thrust washer engineered for precise axial load management within heavy-duty construction machinery transmissions. This component sits between rotating shafts and stationary housings in the planetary gear set, ensuring correct end-play and reducing friction during high-torque operations. As a critical wear surface, the SKU 0630.001.139 maintains gear alignment and prevents metal-on-metal contact in ZF drivelines. When paired with a 4108101140: HOUSING, this washer stabilizes the entire clutch pack assembly, while the 0501211694: MOTOR relies on its consistent thickness to avoid hydraulic pressure loss.

Symptoms of Failure

• Transmission oil leaks at the housing interface: A worn 0630.001.139 washer allows excessive axial movement, breaking the seal between the 0501314793: COVER and the main case, leading to visible drip losses.
• Gear slipping under load in construction equipment: When the washer thickness degrades, clutch packs lose clamping force, causing intermittent power loss during excavation or grading.
• Metallic grinding noise during gear shifts: Thinned washers permit shaft-to-housing contact, producing a distinct high-pitched chatter that worsens with temperature.
• Increased end-play in the output shaft: Measurable axial play exceeding 0.5mm indicates the 0501314799: BUSH and washer stack require immediate replacement.

Technical Specifications

Compatibility

This washer is a direct fit for ZF WG180, WG200, and WG211 series transmissions commonly used in wheel loaders, telehandlers, and graders. It also appears in the power take-off (PTO) assemblies of ZF 4WG-200 and 6WG-250 models. For complete rebuilds, verify compatibility with the 0735370299: TAPERED ROLLER BEARING and the 0501317874: HOUSING to ensure correct axial clearance.

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