Overview
The ZF 0730.111.960 WASHER is a precision-engineered OEM genuine shim component designed for critical load distribution within heavy-duty construction machinery transmissions. This hardened steel washer sits between planetary gear sets and bearing races, maintaining precise axial clearances that prevent metal-on-metal contact under extreme torque loads. As part number 0730.111.960, it directly interfaces with the 5838109012: DIFFERENTIAL assembly and the 0750117075: TAPER ROLLER BEARING to ensure smooth rotational alignment in ZF’s modular transmission architecture.
Symptoms of Failure
- Transmission oil seepage at axle housing seals: When the 0730.111.960 washer wears beyond tolerance, it allows lateral shaft movement that compromises seal integrity, causing visible oil drips around the 5838300626: DIFFERENTIAL HOUSING.
- Intermittent gear slipping under load: A flattened or cracked washer reduces preload on the 2093209023: DIFFERENTIAL gear set, leading to momentary power loss during excavation or grading operations.
- Metallic grinding noise during direction changes: Worn clearance from a degraded washer causes the taper roller bearing to chatter against the housing, producing a distinct high-pitched grinding sound when shifting from forward to reverse.
- Increased backlash in final drive: Operators may notice excessive free play in the driveline, often misdiagnosed as a worn axle, when the root cause is a collapsed 0730.111.960 washer.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.111.960 |
| Material | Case-hardened alloy steel (DIN 1.7131) |
| Outer Diameter | 72.0 mm |
| Inner Diameter | 52.5 mm |
| Thickness | 2.50 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.111.960 |
| Hardness | HRC 58-62 |
Compatibility
This washer is a standard shim component used across multiple ZF heavy-duty transmission families. It is directly compatible with the following models: ZF WG180, ZF WG200, ZF WG210, and ZF WG250 series. It also appears in certain ZF 4WG-310 and ZF 5WG-400 power shift transmissions commonly found in wheel loaders, dozers, and graders. Always verify fitment by cross-referencing your transmission serial number with the 0730.111.960 specification.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2093209023 | DIFFERENTIAL | Secondary differential gear set |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential components |
| 0631329088 | SPRING PIN | Secures gear alignment |
| 5838300811 | THRUST WASHER | Reduces axial friction |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Drives wheel hubs |
| 5838300753 | THRUST WASHER | Controls end-play in gear sets |
| 5838300818 | THRUST WASHER | Supplementary axial clearance shim |
Frequently Asked Questions
Q: Can I reuse the 0730.111.960 washer during a transmission rebuild?
A: No. ZF specifies that this washer must be replaced with a new OEM part during any differential or bearing service. The hardened steel surface work-hardens in use, and reusing it will lead to premature clearance loss and oil leaks.
Q: How do I measure if my current washer is worn?
A: Use a micrometer to measure thickness at three points around the circumference. If any reading is below 2.45 mm, or if you observe uneven wear patterns, immediate replacement with part 0730.111.960 is required.
Q: Is this washer compatible with aftermarket differential housings?
A: While the washer itself is a standard size, we strongly recommend using it with the genuine 5838300626: DIFFERENTIAL HOUSING to maintain proper crush tolerances and avoid voiding warranty coverage.
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Phone: +86 158 2286 3467 |
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