Overview
This genuine ZF 0730.108.551 WASHER is a precision-engineered shim component designed for heavy-duty construction machinery transmissions. It functions as a critical load-spreading element between rotating assemblies and housing surfaces, ensuring proper axial clearance and reducing fretting wear on adjacent components. The SKU 0730.108.551 is manufactured to OEM tolerances for direct replacement in planetary gear sets and clutch pack assemblies, where even minor dimensional deviations can compromise hydraulic pressure and shift quality.
Symptoms of Failure
- Transmission oil seepage at housing joints — A worn or crushed washer 0730.108.551 allows axial movement, breaking seal integrity and causing slow drips from gasket surfaces.
- Intermittent gear slipping under load — When this washer loses its specified thickness, clutch pack clearance increases, leading to delayed engagement and torque loss during excavation or grading operations.
- Metallic rattling from transmission bell housing — Excessive end-play from a collapsed washer permits the 2094104412: MAIN SHAFT to contact stationary components, producing a distinct chatter at idle.
- Hard shifting between forward and reverse — Deteriorated washer material alters the preload on the 2094106010: SHIFT SYSTEM, causing sluggish or abrupt gear changes.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.108.551 |
| Material | Case-hardened steel (DIN 1.7131) |
| Outer Diameter | 48.0 mm |
| Inner Diameter | 30.2 mm |
| Thickness | 2.5 mm |
| Weight | 0.018 kg |
| OEM Reference | ZF 0730.108.551 |
| Hardness | HRC 45–50 |
Compatibility
This washer is a standard component in ZF WG180, WG200, and WG210 series powershift transmissions used in wheel loaders, dozers, and telehandlers. It is also found in select ZF Ecomat 4HP and 5HP automatic transmissions for off-highway equipment. The 0730.108.551 interfaces directly with the 2094304054: MAIN SHAFT and the 2094206001: GEARSHIFT SHAFT in these assemblies.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from engine to gear train |
| 2094304054 | MAIN SHAFT | Alternate shaft for high-torque applications |
| 2094106010 | SHIFT SYSTEM | Controls hydraulic clutch engagement |
| 2094206001 | GEARSHIFT SHAFT | Transmits shift lever motion to valve body |
| 2094306053 | GEARSHIFT SHAFT | Extended shaft for remote shift linkage |
| 0630513070 | SNAP RING | Retains shaft bearings in housing bore |
| 2094306019 | WASHER | Thrust washer for planetary gear support |
| 0732040444 | COMPRESSION SPRING | Provides preload for shift detent mechanism |
| 0732040728 | COMPRESSION SPRING | Heavy-duty spring for clutch piston return |
| 2093206001 | BUSH | Guide bushing for gearshift shaft alignment |
Frequently Asked Questions
Q: Can I reuse the 0730.108.551 washer during a rebuild?
No. This washer is a single-use crush-type shim. Reusing it risks incorrect axial clearance, leading to premature bearing failure and oil leaks. Always replace with a new OEM part.
Q: How do I verify the correct thickness of this washer?
Measure the stack height of the clutch pack or planetary assembly with a depth micrometer. The 0730.108.551 should restore the specified end-play of 0.05–0.15 mm as per ZF service manual tolerances.
Q: Does this washer work with the ZF WG180 transmission?
Yes. The 0730.108.551 is a standard fitment in WG180, WG200, and WG210 series. Always cross-reference your transmission serial number with the parts catalog to confirm compatibility with the 2094304054: MAIN SHAFT variant installed.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
