Overview
The ZF 0730.111.655 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 planetary gear set and the TRANSMISSION HOUSING, ensuring correct gear mesh depth and preventing unwanted end-play. As a factory-specified part, the SKU 0730.111.655 is critical for maintaining proper load distribution across the rotating assembly. When installed alongside the HOUSING and HOUSING components, this washer stabilizes the shaft alignment and protects adjacent sealing surfaces from premature wear.
Symptoms of Failure
- Transmission oil leaks at the housing seam: A worn 0730.111.655 washer allows axial movement, breaking the seal between the SEALING CAP and the housing, leading to visible drips during operation.
- Gear slipping under load in construction equipment: Excessive clearance from a compressed or fractured washer causes the clutch pack to lose clamping force, resulting in intermittent power loss during excavation or grading.
- Metallic grinding noise during gear engagement: When the washer thickness degrades, planetary gears contact the housing wall, producing a distinct scraping sound that worsens with RPM increase.
- Vibration in the driveline at low speeds: Worn shim tolerance allows the shaft to oscillate, transmitting harmonic vibrations through the transmission case and into the operator cab.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.111.655 |
| Material | Hardened Spring Steel (DIN 1.8159) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 1.5 mm |
| Weight | 0.035 kg |
| OEM Reference | ZF 0730.111.655 |
| Surface Finish | Ground, phosphate-coated |
Compatibility
This genuine ZF washer is primarily used in the WG180, WG200, and WG210 series transmissions found in wheel loaders, excavators, and telehandlers. It also fits select models of the ZF 4WG-200 and 6WG-200 power shift transmissions. Always verify the stack height requirement using the service manual, as multiple washer thicknesses (0730.111.655 through 0730.111.660) are used for shimming.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101014 | TRANSMISSION HOUSING | Main structural casing for gear and shaft support |
| 2094301046 | HOUSING | Intermediate housing for planetary carrier |
| 2094298053 | HOUSING | Rear housing for output shaft bearing |
| 0630361034 | SEALING CAP | Prevents fluid ingress at shaft exit point |
| 2094301071 | COVER | Access cover for valve body inspection |
| 2094301030 | GASKET | Sealing layer between housing halves |
| 0750111371 | SHAFT SEAL | Dynamic seal for rotating shaft |
| 0634303085 | O-RING | Static seal for hydraulic passages |
| 0631306670 | CYLINDRICAL PIN | Alignment dowel for housing positioning |
| 0636011356 | HEXAGON SCREW | Fastener for housing assembly |
