Overview
The ZF 0730.107.708 WASHER is a precision-engineered OEM genuine component designed to maintain critical axial clearance within ZF heavy-duty construction machinery transmissions. This hardened steel washer sits between the main shaft and gear assemblies, ensuring proper load distribution and preventing metal-on-metal contact during high-torque operations. As an OEM part, the SKU 0730.107.708 guarantees exact dimensional tolerances required for reliable transmission performance in excavators, wheel loaders, and graders. When installed alongside the 2094104412 MAIN SHAFT, this washer forms a crucial interface that absorbs thrust loads and maintains gear alignment under extreme operating conditions.
Symptoms of Failure
- Transmission oil leaks at shaft seals — A worn 0730.107.708 washer allows excessive axial play, distorting seal surfaces and causing fluid seepage around the main shaft housing.
- Gear slipping under load — When the washer thickness degrades, gear engagement depth reduces, leading to intermittent slipping during heavy excavation or grading operations.
- Metallic grinding noise from transmission — Thinned washers permit direct contact between rotating shafts and stationary housings, producing a distinct grinding sound during gear changes.
- Vibration in low gears — Uneven washer wear creates imbalance in the shift system, causing noticeable vibration specifically in first and second gear ranges.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.107.708 |
| Material | Hardened Carbon Steel (C45E) |
| Outer Diameter | 48.0 mm |
| Inner Diameter | 32.5 mm |
| Thickness | 2.5 mm |
| Weight | 0.018 kg |
| OEM Reference | ZF 0730.107.708 |
| Surface Hardness | HRC 45-50 |
Compatibility
This ZF 0730.107.708 WASHER is engineered for use in ZF WG180, WG200, and WG210 series transmissions commonly found in construction machinery. It directly supports the 2094304054 MAIN SHAFT assembly and interacts with the 2094106010 SHIFT SYSTEM to maintain precise gear positioning. The washer also works in conjunction with the 2094206001 GEARSHIFT SHAFT to ensure smooth engagement in ZF power shift transmissions used in Volvo, Caterpillar, and Komatsu heavy equipment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Primary torque transmission shaft |
| 2094304054 | MAIN SHAFT | Secondary shaft for gear support |
| 2094106010 | SHIFT SYSTEM | Hydraulic shift control assembly |
| 2094206001 | GEARSHIFT SHAFT | Mechanical shift linkage shaft |
| 2094306053 | GEARSHIFT SHAFT | Alternate shift shaft variant |
| 0630513070 | SNAP RING | Axial retention ring for shafts |
| 2094306019 | WASHER | Thrust washer for gear spacing |
| 0732040444 | COMPRESSION SPRING | Spring for shift detent mechanism |
| 0732040728 | COMPRESSION SPRING | Heavy-duty shift return spring |
| 2093206001 | BUSH | Bearing bushing for shaft support |
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