Overview
The ZF 0730.108.453 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 differential housing and the axle bevel gear assembly, ensuring correct preload on the 0750117075: TAPER ROLLER BEARING during operation. As a factory-specified part, the SKU 0730.108.453 maintains the exacting tolerances required for ZF power-shift transmissions used in wheel loaders, graders, and excavators. Without this washer, gear mesh patterns shift, leading to premature wear on the 5838109012: DIFFERENTIAL assembly.
Symptoms of Failure
- Transmission oil seepage at axle housing seal: When the 0730.108.453 washer compresses or fractures, the 5838300626: DIFFERENTIAL HOUSING loses its bearing preload, allowing lubricant to escape past the output seal.
- Gear whine during low-speed maneuvering: A worn washer permits axial play in the 2093209023: DIFFERENTIAL, creating audible gear clash under load.
- Intermittent drive engagement hesitation: Excessive clearance from a collapsed washer causes the taper roller bearing to lose contact, resulting in delayed power transfer from the transmission to the wheels.
- Metal debris in transmission fluid: A failing washer flakes or cracks, contaminating the oil with ferrous particles that accelerate wear on adjacent components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.108.453 |
| Material | Hardened carbon steel (C45E, 58-62 HRC) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 2.5 mm (selective fit tolerance ±0.05 mm) |
| Weight | 0.035 kg |
| OEM Reference | ZF 0730.108.453 |
| Surface Finish | Ground, phosphate-coated |
Compatibility
This washer is designed for ZF WG180, WG200, and WG310 series power-shift transmissions commonly installed in construction machinery. It also fits select ZF 4WG-200 and 6WG-200 models used in articulated dump trucks and crawler dozers. Always verify the existing shim stack thickness before replacement, as the 0730.108.453 is often paired with the 5838300811: THRUST WASHER to achieve final clearance.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential rotation under load |
| 2093209023 | DIFFERENTIAL | Rear axle differential assembly |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gear set |
| 0631329088 | SPRING PIN | Secures shift fork position |
| 5838300811 | THRUST WASHER | Controls axial play in differential |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Drives final drive assembly |
| 5838300753 | THRUST WASHER | Bearing surface for axle gear |
| 5838300818 | THRUST WASHER | Secondary axial clearance shim |
Frequently Asked Questions
Q: Can I reuse the 0730.108.453 washer during a transmission rebuild?
A: No. This washer is a single-use crush-type shim. Reusing it will not restore proper preload, leading to rapid bearing failure. Always install a new OEM washer.
Q: How do I measure the correct thickness for the 0730.108.453?
A: Use a micrometer to measure the gap between the differential housing and bearing race after tightening the housing bolts to 120 Nm. Select a washer thickness that achieves 0.05–0.10 mm of bearing preload.
Q: Does this washer fit ZF 4WG-310 transmissions?
A: Yes, the 0730.108.453 is compatible with WG310 series, but verify your housing part number against the 5838300626: DIFFERENTIAL HOUSING to confirm fitment.
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Phone: +86 158 2286 3467 |
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