Overview
The ZF 0730.008.812 WASHER for WG200 is a precision-engineered OEM genuine component designed to maintain critical axial clearances within the planetary gearset of the WG 200 series transmission. This hardened steel washer sits between the sun gear and the reaction drum, ensuring proper load distribution and preventing metal-to-metal contact under high torque conditions. As an original ZF part, the SKU 0730.008.812 guarantees exact dimensional tolerances required for reliable hydraulic clutch pack engagement and long-term durability in heavy-duty industrial applications.
Symptoms of Failure
When the ZF 0730.008.812 WASHER wears beyond specification, operators will notice several distinct failure modes. Oil leaks from the transmission housing often develop as the washer thins, allowing the sun gear to shift and compromise seal alignment. Gear slipping under load occurs because incorrect axial clearance reduces clutch pack clamping force. Metallic debris in the transmission oil filter is a common indicator, as the hardened washer surface begins to spall. Abnormal whining or grinding noises from the gearbox during acceleration typically signal that the washer has lost its surface integrity.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.008.812 |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 52.0 mm |
| Thickness | 2.5 mm |
| Material | Hardened Spring Steel (DIN 17222) |
| Surface Hardness | HRC 45-50 |
| Weight | 0.035 kg |
| OEM Reference | ZF 0730.008.812 |
Compatibility
This washer is primarily designed for the ZF WG200 transmission series, including models WG200, WG180, and WG160. It is also compatible with select ZF WG150 and WG120 variants that share the same planetary gearset architecture. Always verify the part number 0730.008.812 against your transmission’s parts manual before installation. For related assembly components, consider the 4460165051 CONSOLE and 4460368311 CONSOLE which mount directly adjacent to this washer. The 0636011429 HEXAGON SCREW and 0730100365 WASHER are also commonly replaced during the same service interval.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Housing support bracket |
| 4460368311 | CONSOLE | Secondary mounting bracket |
| 0636011429 | HEXAGON SCREW | Fastener for console assembly |
| 0730100365 | WASHER | Thrust washer for gearset |
| 4644105418 | DISCONNECTION | Clutch disconnection valve |
| 4644305041 | ADAPTER | Hydraulic line adapter |
| 4460068159 | AXLE DRIVE | Output shaft drive gear |
| 4460168651 | INPUT FLANGE | Input shaft connection flange |
| 4460368318 | FLANGE | Output flange assembly |
| 4460368317 | DUST PROTECTION | Seal cover for input shaft |
