Overview
The ZF 0730.106.766 WASHER is an OEM genuine shim component engineered for precise axial clearance control within heavy-duty construction machinery transmissions. This hardened steel washer sits between the planetary gear set and the bearing shoulder, ensuring correct preload on rotating assemblies. The SKU 0730.106.766 is a factory-specified part that maintains the tight tolerances required for ZF power shift transmissions operating under high torque loads. When installed alongside the 4108101057 HOUSING or the 4108201177 HOUSING, this washer prevents metal-to-metal contact that would otherwise accelerate gear wear.
Symptoms of Failure
- Transmission oil leaks at the output flange — A worn 0730.106.766 washer reduces bearing preload, allowing the shaft to shift and compromise the 0750110040 SHAFT SEAL contact surface.
- Gear slipping under load in forward gears — Insufficient washer thickness causes planetary gear end-play, leading to intermittent clutch pack engagement failure.
- Metallic grinding noise during deceleration — When the washer fractures, debris enters the oil circuit, scoring the 4108301304 BEARING COVER and adjacent components.
- Erratic shift timing in construction equipment — Axial play from a collapsed washer alters hydraulic valve clearances, mimicking solenoid failure.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.106.766 |
| Material | Case-hardened carbon steel (DIN 1.0503 equivalent) |
| Outer Diameter | 62.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 2.0 mm (selective fit tolerance ±0.05 mm) |
| Weight | 0.028 kg |
| OEM Reference | ZF 0730.106.766 |
| Hardness | HRC 45-50 |
Compatibility
This washer is a standard shim in ZF WG180, WG200, and WG210 series transmissions used in wheel loaders, excavators, and telehandlers. It also appears in the ZF 4WG-200 and 6WG-200 power shift models. For proper installation, always pair the 0730.106.766 with a new 4108306173 GASKET and verify the 0636302056 SCREW PLUG torque specifications. The washer fits behind the 6053108155 CONTROL COVER and 6053308348 CONTROL COVER assemblies on later production units.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101057 | HOUSING | Main transmission case section |
| 4108201177 | HOUSING | Rear adapter housing for PTO |
| 0636302056 | SCREW PLUG | Oil drain plug with sealing ring |
| 4108301304 | BEARING COVER | Output shaft bearing retention |
| 4108306173 | GASKET | Housing mating surface seal |
| 0750110040 | SHAFT SEAL | Output shaft oil seal |
| 6053108155 | CONTROL COVER | Valve body cover (early type) |
| 6053308348 | CONTROL COVER | Valve body cover (late type) |
| 0636010188 | HEXAGON SCREW | M8 x 25 mm mounting bolt |
| 0636010192 | HEXAGON SCREW | M10 x 30 mm mounting bolt |
