Overview
The ZF 0630.000.058 SHIM RING (SKU: 0630.000.058) is a precision-engineered OEM genuine component designed for critical axial clearance adjustment within ZF heavy-duty construction machinery transmissions. This hardened steel shim ring sits between the planetary gear set and the main housing assembly, ensuring correct preload and gear mesh alignment. By maintaining exacting tolerances, the 0630.000.058 prevents unwanted axial movement that can lead to premature bearing wear. It is often replaced during a full transmission overhaul alongside the 4699101018 HOUSING and the 4699301051 HOUSING to restore factory-spec clearances.
Symptoms of Failure
When the ZF 0630.000.058 shim ring wears or deforms, several distinct operational issues emerge. Look for these specific failure symptoms:
- Transmission gear slipping under load: Worn shim rings allow excessive end-play, causing planetary gears to lose proper engagement during heavy digging or lifting cycles.
- Abnormal low-frequency vibration: A degraded shim ring permits axial play that generates a distinct rumbling or knocking noise, particularly when shifting between forward and reverse.
- Oil leaks at housing mating surfaces: As the shim ring compresses unevenly, it distorts the seal gap, leading to fluid seepage around the 4699301054 HOUSING COVER and the 4699301055 COVER.
- Metallic debris in transmission fluid: Worn shim material contaminates the oil, accelerating wear on adjacent bearings and shafts.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0630.000.058 |
| Material | Case-hardened alloy steel (DIN 1.7131) |
| Inner Diameter | 58.0 mm |
| Outer Diameter | 72.0 mm |
| Thickness | 1.5 mm |
| Weight | 0.012 kg |
| OEM Reference | ZF 0630.000.058 |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
Compatibility
This shim ring is engineered for ZF heavy-duty powershift transmissions commonly found in construction machinery. It is compatible with the following ZF transmission models:
- ZF WG180
- ZF WG200
- ZF WG210
- ZF 4WG-200
- ZF 4WG-210
Always verify the existing shim stack thickness before installation. The 0630.000.058 is frequently paired with the 4699101018 HOUSING and the 4699301051 HOUSING during rebuilds to ensure proper alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101018 | HOUSING | Main transmission housing for gear support |
| 4699301051 | HOUSING | Secondary housing for planetary assembly |
| 4699301054 | HOUSING COVER | Seals the housing end-face |
| 4699301055 | COVER | Protective cover for internal components |
| 4699301014 | THREAD PROTECTIVE SHIELD | Prevents thread damage during assembly |
| 0634303996 | O-RING | Static seal for fluid containment |
| 0734307408 | PROTECTION CAP | Caps exposed ports during service |
| 0634319161 | SHAFT SEAL | Dynamic seal for rotating shafts |
| 0630502032 | RETAINING RING | Axial retention for bearings |
| 0637885612 | BREATHER | Pressure equalization for housing |
