Overview
The ZF 0730.108.202 SHIM is a precision-engineered OEM genuine spacer component designed to establish exact axial clearances within heavy-duty ZF transmissions. This shim sits between the differential housing and bearing races, controlling end-play and preload in the final drive assembly. By maintaining precise tolerances, the 0730.108.202 ensures optimal gear mesh patterns and load distribution across the drivetrain. As a critical adjustment element, this shim directly influences the longevity of surrounding components such as the 2095109020: DIFFERENTIAL and the 0750117075: TAPER ROLLER BEARING. The SKU 0730.108.202 is commonly referenced in construction machinery service manuals for axle rebuilds.
Symptoms of Failure
- Excessive differential end-play causing gear whine: When the 0730.108.202 shim compresses or wears, the 2095209037: DIFFERENTIAL assembly develops lateral movement, producing a low-frequency howl during acceleration or deceleration.
- Oil seepage at axle housing seals: Worn shim thickness alters bearing preload, allowing the 2095309059: DIFF.HOUSING to shift, which distorts seal contact surfaces and leads to lubricant leaks.
- Intermittent driveline clunking on direction changes: Insufficient shim support causes the taper roller bearing to lose its crush fit, creating a metallic knock when shifting from forward to reverse under load.
- Premature bearing fatigue and spalling: Incorrect shim thickness forces uneven load on the roller elements, accelerating wear on the 0750117075: TAPER ROLLER BEARING and generating debris in the oil.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.108.202 |
| Material | Case-hardened spring steel (DIN 1.3505) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 1.02 mm (nominal) |
| Weight | 0.018 kg |
| Surface Finish | Ground, deburred edges |
| OEM Reference | ZF 0730.108.202 |
| Hardness | 58-62 HRC |
Compatibility
This shim is engineered for ZF heavy-duty powershift transmissions commonly used in construction machinery. It is a direct fit for the following transmission models: WG180, WG200, WG210, and WG250 series. The 0730.108.202 also appears in axle assemblies paired with the 4WG-200 and 5WG-210 transfer cases. Always verify shim stack height using a dial indicator during installation to ensure proper preload on the 2095309059: DIFF.HOUSING.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109020 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating differential assembly |
| 2095209037 | DIFFERENTIAL | Secondary torque distribution unit |
| 2095309059 | DIFF.HOUSING | Encloses differential gears and bearings |
| 0631329086 | SPRING PIN | Locks shim and gear alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction in gear sets |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2095309081 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Controls gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with axle bevel gear |
