Overview
The ZF 0630.000.296 SHIM RING is a precision-engineered OEM genuine component designed for critical axial clearance adjustment within heavy-duty ZF construction machinery transmissions. This thin, hardened steel ring sits between the planetary gear set and the housing assembly, ensuring correct preload and gear mesh alignment. The SKU 0630.000.296 is factory-specified for exacting tolerances, preventing internal component walk and maintaining optimal hydraulic pressure distribution. When installed alongside the 4699101002: HOUSING, this shim ring establishes the foundational spacing required for long-term transmission reliability.
Symptoms of Failure
- Transmission gear slipping under load: When the 0630.000.296 shim ring wears or compresses beyond spec, axial play increases, causing clutch packs to lose engagement pressure and slip during heavy digging or lifting operations.
- Abnormal whining or grinding noise from the transmission housing: A worn shim ring allows gear faces to contact improperly, producing a distinct metallic whine that intensifies with RPM, often misdiagnosed as bearing failure.
- Intermittent oil leaks at the housing joint: Excessive end-play from a degraded shim ring can distort the mating surface between the 4699301188: HOUSING and the main case, breaking the seal and causing fluid seepage.
- Delayed engagement or harsh shifting: Loss of precise shim thickness alters clutch piston travel, resulting in sluggish forward/reverse engagement or abrupt shifts that stress the driveline.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0630.000.296 |
| Type | Shim Ring / Adjusting Washer |
| Material | Hardened Spring Steel (C67S equivalent) |
| Inner Diameter | ~120 mm (estimated) |
| Outer Diameter | ~160 mm (estimated) |
| Thickness | 0.5 mm – 2.0 mm (selective fit) |
| Weight | ~0.08 kg |
| OEM Reference | ZF 0630.000.296 |
| Surface Finish | Ground, deburred edges |
Compatibility
This shim ring is primarily used in ZF WG180, WG200, and WG210 series powershift transmissions found in wheel loaders, excavators, and telehandlers. It also appears in select ZF Ecomat 4HP and 5HP models used in construction machinery. The part interfaces directly with the 4699301128: COVER and is secured using 0636015047: HEXAGON SCREW fasteners. Always verify your transmission serial number against ZF parts catalogs before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101002 | HOUSING | Main transmission housing, supports planetary carrier |
| 4699301188 | HOUSING | Rear housing section, oil sump interface |
| 4699301128 | COVER | Clutch access cover, seals internal pressure |
| 0636015047 | HEXAGON SCREW | Fastener for housing and cover attachment |
| 0734307406 | SEALING RING | Static seal between housing sections |
| 0501319149 | SCREW PLUG | Oil drain/fill port plug |
| 0634801038 | SEALING RING | Copper crush washer for plug sealing |
| 0636101041 | CAP SCREW | M10 x 30 flange bolt for valve body |
| 0636101036 | CAP SCREW | M8 x 25 hex bolt for pump mount |
| 0636101032 | CAP SCREW | M6 x 20 bolt for sensor bracket |
