Overview
The ZF 0730.006.692 WASHER is a precision-engineered OEM genuine component designed to maintain critical axial clearance within the differential assembly of heavy-duty construction machinery transmissions. This hardened steel washer sits between the differential housing and the bevel gear set, ensuring proper load distribution and preventing metal-to-metal contact under extreme torque conditions. As an integral part of the ZF power distribution system, the SKU 0730.006.692 directly supports the longevity of surrounding drivetrain components, including the 5838109012: DIFFERENTIAL and the 0750117075: TAPER ROLLER BEARING.
Symptoms of Failure
- Transmission oil leaks at the axle flange: A worn 0730.006.692 washer allows excessive axial play, breaking the seal between the differential housing and axle shaft, leading to visible fluid seepage.
- Gear slipping under load in construction machinery: When this washer loses its precise thickness, the 2093209023: DIFFERENTIAL gear mesh becomes too loose, causing intermittent power loss during excavation or grading operations.
- Metallic grinding noise from the differential area: Degraded washer material permits the 5838300626: DIFFERENTIAL HOUSING to contact rotating gears, producing a distinct high-pitched grinding sound during turns.
- Premature bearing failure: Incorrect shim clearance from a collapsed washer accelerates wear on the taper roller bearing, often requiring simultaneous replacement of both components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.006.692 |
| Material | Hardened Alloy Steel (C45E + Nitriding) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 2.50 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.006.692 |
| Surface Finish | Ground, 0.8 Ra |
Compatibility
This washer is engineered for ZF heavy-duty powershift transmissions commonly used in wheel loaders, dozers, and graders. It is a direct fit for the following ZF models: WG180, WG200, WG210, and WG310. The 0730.006.692 is also compatible with select ZF differential carriers in the APL-300 series. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on the differential shaft |
| 2093209023 | DIFFERENTIAL | Secondary differential assembly for multi-axle machines |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and supports differential gears |
| 0631329088 | SPRING PIN | Secures washer and gear alignment |
| 5838300811 | THRUST WASHER | Reduces friction between rotating and stationary parts |
| 5838300721 | AXLE BEVEL GEAR | Transfers power at a 90-degree angle |
| 5838300633 | AXLE | Transmits rotational force to wheels |
| 5838300753 | THRUST WASHER | Controls end-play in the differential carrier |
| 5838300818 | THRUST WASHER | Provides axial clearance for bevel pinion shaft |
Frequently Asked Questions
Q: Can I reuse the 0730.006.692 washer during a differential rebuild?
A: No. This is a single-use crush washer. Reusing it will not provide the correct preload and will lead to rapid failure of the 0750117075: TAPER ROLLER BEARING.
Q: How do I know if my ZF WG200 needs this specific washer?
A: Measure the existing washer thickness with a micrometer. If it measures below 2.45 mm, or if you observe scoring on the 5838300626: DIFFERENTIAL HOUSING mating surface, replacement with 0730.006.692 is required.
Q: Does this washer work with the 5838109012 differential?
A: Yes, the 0730.006.692 is the factory-specified shim for the 5838109012: DIFFERENTIAL assembly in ZF WG180 and WG200 transmissions.
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