Overview
The ZF 0730.106.764 WASHER is a precision-engineered OEM genuine component designed to maintain critical sealing and load distribution within heavy-duty construction machinery transmissions. This hardened steel washer sits between the transmission housing and fastening hardware, preventing galling and ensuring proper torque retention on assemblies such as the 4108101057 HOUSING and the 4108201177 HOUSING. As part of the internal lubrication and pressure system, the SKU 0730.106.764 directly supports the integrity of the 0636302056 SCREW PLUG and 4108301304 BEARING COVER assemblies, making it indispensable for preventing fluid bypass and structural misalignment in ZF powertrains.
Symptoms of Failure
- Transmission oil seepage at housing joints: When the 0730.106.764 washer deforms or cracks, it cannot seal properly, leading to visible oil leaks around the housing flanges and bearing covers.
- Loose fasteners causing gear rattle or slipping: A worn washer reduces clamping force, allowing bolts to back off under vibration, which results in intermittent gear engagement or slipping under load.
- Metallic debris in transmission fluid: As the washer disintegrates, small steel particles contaminate the oil, often detected during routine filter inspections or fluid changes.
- Increased operating noise from bearing area: Loss of washer thickness alters preload on the 4108301304 BEARING COVER, causing bearing chatter or whining during acceleration.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.106.764 |
| Material | Hardened carbon steel (C45E) |
| Outer Diameter | 32.0 mm |
| Inner Diameter | 18.5 mm |
| Thickness | 2.5 mm |
| Weight | 12 g |
| OEM Reference | ZF 0730.106.764 |
| Surface Finish | Zinc-plated, passivated |
Compatibility
This washer is engineered for ZF WG series transmissions commonly used in construction machinery, including the WG180, WG200, and WG210 models. It also fits select ZF 4WG-200 and 5WG-300 variants where housing bolt patterns require a 18.5 mm inner diameter hardened washer. Always verify fitment with your specific transmission serial number.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101057 | HOUSING | Main transmission housing casting |
| 4108201177 | HOUSING | Rear housing section |
| 0636302056 | SCREW PLUG | Oil drain/fill port seal |
| 4108301304 | BEARING COVER | Bearing retention and seal |
| 4108306173 | GASKET | Housing joint sealing |
| 0750110040 | SHAFT SEAL | Output shaft oil seal |
| 6053108155 | CONTROL COVER | Valve body access cover |
| 6053308348 | CONTROL COVER | Secondary control cover |
| 0636010188 | HEXAGON SCREW | M10 x 30 mounting bolt |
| 0636010192 | HEXAGON SCREW | M10 x 35 mounting bolt |
