Overview
The ZF 0630.000.133 SHIM RING (SKU: 0630.000.133) is a precision-engineered OEM genuine component designed for heavy-duty construction machinery transmissions. This thin, annular shim ring sits between the transmission housing and the planetary gear set, serving as a critical spacer to control axial clearance and preload. By maintaining exact end-play tolerances, it ensures smooth gear engagement and prevents metal-to-metal contact within the rotating assembly. This part is often installed during a rebuild alongside the 4143101022 HOUSING and the 4143301044 HOUSING to restore factory-specified clearances.
Symptoms of Failure
When the ZF 0630.000.133 shim ring wears or becomes damaged, the following failure symptoms typically emerge:
- Transmission gear slipping under load – Excessive axial play from a worn shim ring allows gear clusters to shift, causing intermittent power loss during excavation or grading operations.
- Low-frequency humming or grinding noise – Insufficient preload leads to gear rattle and bearing chatter, especially noticeable at idle or low RPM.
- Metallic debris in transmission oil – A collapsed or fractured shim ring sheds fine steel particles into the lubricant, detectable during routine oil sampling.
- Oil leaks at housing mating surfaces – Misalignment caused by a degraded shim ring can distort the 0636302014 SCREW PLUG seal, allowing fluid seepage.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0630.000.133 |
| Type | Shim Ring (Thrust Washer) |
| Inner Diameter (ID) | 130 mm (estimated) |
| Outer Diameter (OD) | 160 mm (estimated) |
| Thickness | 1.5 mm (estimated) |
| Material | Case-hardened steel (DIN 1.7131) |
| Weight | 0.12 kg (0.26 lbs) |
| OEM Reference | ZF 0630.000.133 |
| Surface Finish | Ground, phosphate coated |
Compatibility
This shim ring is primarily used in ZF WG series powershift transmissions for construction equipment. Based on its dimensional profile, it fits the following models:
- ZF WG180 – Common in wheel loaders and graders.
- ZF WG200 – Used in medium-duty articulated dump trucks.
- ZF WG210 – Found in telehandlers and compact excavators.
- ZF 4WG-310 – Heavy-duty off-highway applications.
During installation, always verify clearance with the 0631329135 SPRING PIN that secures the shim ring in position. The 4143301053 CONNECTING PART must also be inspected for wear when replacing this shim.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143101022 | HOUSING | Transmission outer casing |
| 4143301044 | HOUSING | Intermediate housing section |
| 0631329135 | SPRING PIN | Retains shim ring alignment |
| 0636302014 | SCREW PLUG | Seals housing oil passages |
| 0634801057 | SEALING RING | Prevents oil bypass |
| 4143301053 | CONNECTING PART | Links planetary carrier |
| 0636100600 | CAP SCREW | Fastens housing bolts |
| 0636101024 | CAP SCREW | High-torque fastener |
| 0730365159 | TYPE PLATE | Identification label |
| 0631311009 | GROOVED STUD | Alignment dowel |
