Overview
The ZF 0630.000.183 SHIM RING is a precision-engineered spacer component designed for the WG 65 Series transmission family. This OEM genuine part sits between the output flange and the transmission housing, where it establishes critical axial clearance and preload within the drivetrain assembly. By maintaining exact tolerances, the shim ring ensures that the 4616105413: OUTPUT and 4616203017: OUTPUT FLANGE align correctly, preventing metal-to-metal contact and reducing vibration. The SKU 0630.000.183 is manufactured to ZF’s original specifications, guaranteeing a direct fit without modification. This component is often replaced during a full transmission overhaul, as its thickness directly influences gear mesh patterns and bearing life.
Symptoms of Failure
When the ZF 0630.000.183 shim ring wears or deforms, operators may notice several distinct failure modes. Oil leaks at the output flange seal occur because the shim ring’s reduced thickness allows the flange to shift, compromising the seal’s contact surface. Gear slipping under load becomes apparent as axial play increases, causing the clutch packs to lose proper engagement. Abnormal driveline vibration during acceleration is another common symptom, resulting from misaligned shafts that the shim ring normally stabilizes. Finally, premature bearing failure can develop if the shim ring collapses, allowing excessive end-play that overloads the tapered roller bearings. These issues often prompt technicians to inspect the entire output assembly, including the 4616101117: TRANSMISSION HOUSING for cracks or wear.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0630.000.183 |
| Material | Case-hardened steel (DIN 1.7131) |
| Outer Diameter | 130.0 mm |
| Inner Diameter | 110.0 mm |
| Thickness | 2.50 mm (selective fit) |
| Weight | 0.085 kg |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
| OEM Reference | ZF 0630.000.183 |
| Hardness | 58-62 HRC |
Compatibility
This shim ring is specifically engineered for the ZF WG 65 Series, but it also fits several related heavy-duty transmissions. Compatible models include the WG180, WG200, and WG250 series, where it serves the same axial adjustment function between the output shaft and housing. Additionally, it is used in the WG65 and WG80 variants, particularly in off-highway vehicles and construction equipment. Always verify the current shim stack thickness during installation, as multiple shim rings (including this 0630.000.183) may be combined to achieve the specified preload. The 0636011038: HEXAGON SCREW is typically used to secure the output flange after shim adjustment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616105413 | OUTPUT | Transfers torque from transmission to driveshaft |
| 4616203017 | OUTPUT FLANGE | Connects output shaft to universal joint |
| 4616101117 | TRANSMISSION HOUSING | Encloses and supports internal components |
| 0636011038 | HEXAGON SCREW | Fastens output flange to shaft |
| 0636016015 | HEXAGON SCREW | Secures housing cover |
| 0631306085 | CYLINDRICAL PIN | Aligns housing halves during assembly |
| 0634313118 | O-RING | Seals output flange to housing |
| 0732611049 | FILTER INSERT | Traps debris in hydraulic circuit |
| 0634303718 | O-RING | Seals filter housing |
| 0636610082 | STUD | Provides threaded mounting point |
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