Overview
The ZF 0730.008.723 WASHER is an OEM genuine shim component engineered for precise axial clearance control within ZF heavy-duty transmission assemblies. This hardened steel washer sits between the planetary gear set and the TRANSMISSION HOUSING, ensuring correct gear mesh depth and preventing metal-to-metal contact under high torque loads. As a critical wear item, the SKU 0730.008.723 maintains the exacting tolerances required for long service life in construction machinery transmissions. Its primary function is to absorb thrust loads and maintain proper spacing between rotating and stationary components.
Symptoms of Failure
- Transmission oil leaks at housing seams: A worn 0730.008.723 washer allows excessive axial play, which distorts the HOUSING seal surface, leading to fluid seepage around gasket joints.
- Gear slipping under load: When this washer loses its original thickness, gear engagement depth decreases, causing intermittent slipping during heavy excavation or grading operations.
- Metallic grinding noise from transmission: Thrust washer failure permits direct contact between the planetary carrier and the HOUSING, producing a distinct grinding sound during gear shifts.
- Premature bearing wear: Incorrect axial clearance from a collapsed washer accelerates bearing fatigue, often misdiagnosed as a separate issue.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.008.723 |
| Material | Hardened spring steel (DIN 1.3505 equivalent) |
| Outer Diameter | 72.0 mm |
| Inner Diameter | 50.5 mm |
| Thickness | 1.5 mm (nominal) |
| Weight | 0.018 kg |
| Surface Finish | Phosphate coated |
| OEM Reference | ZF 0730.008.723 |
Compatibility
This washer is a standard fitment in ZF WG180, WG200, and WG211 series transmissions commonly used in wheel loaders, excavators, and telehandlers. It also appears in select ZF 4WG-200 and 6WG-200 power shift models. For proper installation, always pair this washer with a new SEALING CAP to prevent contamination ingress during reassembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101014 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 2094301046 | HOUSING | Intermediate housing section |
| 2094298053 | HOUSING | Rear housing for output shaft |
| 0630361034 | SEALING CAP | Prevents fluid leakage at shaft exit |
| 2094301071 | COVER | Access cover for valve body |
| 2094301030 | GASKET | Housing sealing gasket |
| 0750111371 | SHAFT SEAL | Rotary shaft oil seal |
| 0634303085 | O-RING | Hydraulic circuit seal |
| 0631306670 | CYLINDRICAL PIN | Alignment dowel for housing |
| 0636011356 | HEXAGON SCREW | Fastener for housing assembly |
