Overview
The ZF 0730.007.234 WASHER is an OEM genuine precision shim engineered to maintain critical axial clearances within heavy-duty construction machinery transmissions. Positioned between rotating gear assemblies and stationary housings, this washer prevents metal-on-metal contact while ensuring correct preload on bearings. The SKU 0730.007.234 is specifically designed to withstand high thrust loads and thermal expansion in ZF drivetrains. When paired with a 5838109007: DIFFERENTIAL, this component ensures consistent gear mesh alignment under extreme torque conditions.
Symptoms of Failure
- Transmission oil seepage from axle seals: A worn 0730.007.234 washer allows excessive end-play, distorting seal surfaces and causing slow leaks around the output flange.
- Intermittent gear slipping under load: As the washer thins, clutch pack clearance increases, leading to delayed engagement and momentary power loss during excavation.
- Metallic grinding noise during deceleration: Failed washers permit the 0750117075: TAPER ROLLER BEARING to shift axially, creating audible chatter in the differential housing.
- Elevated operating temperatures: Insufficient washer thickness causes friction between rotating and stationary components, overheating the transmission sump.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.007.234 |
| Material | Case-hardened steel (DIN 1.3505) |
| Inner Diameter | 42.0 mm |
| Outer Diameter | 68.0 mm |
| Thickness | 2.5 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.007.234 |
| Surface Finish | Ground, phosphate coated |
Compatibility
This washer is integral to ZF WG180, WG200, and WG210 series powershift transmissions used in wheel loaders, graders, and excavators. It directly interfaces with the 2095209019: DIFFERENTIAL assembly and the 0631329086: SPRING PIN that secures the planetary carrier. Always verify your transmission serial number against ZF service bulletins before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial shaft loads |
| 2095209019 | DIFFERENTIAL | High-torque output differential carrier |
| 0631329086 | SPRING PIN | Locks planetary gear assembly |
| 5838300817 | THRUST WASHER | Controls axial play in sun gear |
| 5838300682 | DIFFERENTIAL AXLE | Transmits power to wheel hubs |
| 5838300811 | THRUST WASHER | Reduces friction in planetary sets |
| 5841302064 | THRUST WASHER | Spacer for output shaft assembly |
| 5838300137 | OUTER CLUTCH DISK | Steel friction plate for clutch packs |
| 5838300138 | INNER CLUTCH DISK | Friction-lined disk for torque transfer |
