Overview
The ZF 0730.111.964 WASHER is a precision-engineered OEM genuine component designed to maintain critical axial clearance within heavy-duty construction machinery transmissions. This hardened steel washer sits between planetary gear sets and housing shoulders, preventing metal-on-metal contact while ensuring correct load distribution under extreme torque. As a factory-specified shim, the SKU 0730.111.964 directly supports the structural integrity of the differential assembly, working in concert with the 5838109012: DIFFERENTIAL to manage end-play tolerances. Without this washer, gear mesh patterns shift, leading to accelerated wear across the entire drivetrain.
Symptoms of Failure
- Transmission oil seepage at axle housing seals: A worn 0730.111.964 washer allows excessive axial movement, distorting seal contact surfaces and causing gradual fluid loss around the 5838300626: DIFFERENTIAL HOUSING.
- Intermittent gear slipping under load: When this washer loses its precise thickness, the 0750117075: TAPER ROLLER BEARING loses preload, allowing the differential carrier to shift and momentarily disengage gears during heavy excavation.
- Metallic grinding noise during turns: Insufficient washer height causes the 2093209023: DIFFERENTIAL side gears to contact the housing, producing a distinct grinding sound that worsens with steering input.
- Premature bearing failure: A collapsed or deformed washer creates uneven load paths, leading to brinelling on roller bearings and requiring complete transmission disassembly.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.111.964 |
| Material | Hardened Carbon Steel (HRC 45-50) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 52.5 mm |
| Thickness | 2.0 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.111.964 |
Compatibility
This washer is a critical component in ZF WG-series powershift transmissions commonly found in wheel loaders, graders, and dump trucks. It is specifically designed for the following models: WG180, WG200, WG210, and WG310. The 0730.111.964 fits within the differential carrier assembly, where it shims the 5838300811: THRUST WASHER stack to achieve factory backlash specifications. Always verify your transmission serial number before ordering, as later WG200 variants may use a different thickness.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209023 | DIFFERENTIAL | Rear axle differential assembly |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears |
| 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 | Driveshaft connection component |
| 5838300753 | THRUST WASHER | Bearing surface for planetary gears |
| 5838300818 | THRUST WASHER | Side gear thrust management |
Frequently Asked Questions
Q: Can I reuse the 0730.111.964 washer during a rebuild?
A: No. This washer is a single-use crush-type shim. Once compressed during initial torqueing, its thickness changes permanently. Always install a new OEM washer to maintain proper bearing preload.
Q: How do I measure if my 0730.111.964 is worn?
A: Use a micrometer to check thickness at three points around the circumference. If any measurement is below 1.85 mm (for a 2.0 mm washer), replace it immediately. Also inspect for uneven wear patterns or edge deformation.
Q: Will this washer fit a ZF WG180 transmission from 1998?
A: Yes, the 0730.111.964 is backward compatible with all WG180 models. However, if your transmission has been previously rebuilt with aftermarket parts, verify the differential housing part number matches the 5838300626: DIFFERENTIAL HOUSING specification.
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