ZF 0630.000.050 SHIM RING | OEM Genuine Part

Overview

The ZF 0630.000.050 SHIM RING is a precision-engineered OEM genuine component designed to maintain critical axial clearances within ZF construction machinery transmissions. This thin, hardened steel ring sits between the planetary gear set and the housing assembly, ensuring proper load distribution and preventing metal-to-metal contact during high-torque operation. As a factory-specified shim, the SKU 0630.000.050 is essential for achieving the exact preload tolerances required for smooth gear engagement and long-term durability in heavy-duty applications.

Symptoms of Failure

• Transmission oil leaks at the housing joint: When the shim ring compresses or cracks, the seal between the 4699101002 HOUSING and the gear carrier fails, allowing fluid to seep out during operation.
• Gear slipping under load: A worn 0630.000.050 shim ring increases axial play, causing the clutch packs to lose clamping force and slip when the machine is under heavy strain.
• Abnormal whining or grinding noise: Insufficient shim thickness leads to gear tooth misalignment, producing a distinct high-pitched whine that worsens as the transmission heats up.
• Erratic shifting or delayed engagement: Incorrect end-play from a degraded shim ring disrupts hydraulic pressure timing, resulting in harsh or delayed gear changes.

Technical Specifications

Compatibility

This shim ring is a critical adjustment component for the following ZF transmission models commonly found in wheel loaders, excavators, and telehandlers:

• ZF WG180
• ZF WG200
• ZF WG210
• ZF 4WG-200
• ZF 4WG-210

During installation, the 0630.000.050 shim ring is positioned directly against the 4699301188 HOUSING and retained by the 4699301128 COVER. Always use new 0636015047 HEXAGON SCREW fasteners when reassembling to maintain proper torque specifications.

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