Overview
The ZF 0730.110.727 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 differential housing and the taper roller bearing assembly, ensuring correct preload on the gear train. As a critical spacing element, the SKU 0730.110.727 maintains optimal gear mesh alignment under extreme torque loads. When installed alongside the 5838109012: DIFFERENTIAL, this washer prevents metal-to-metal contact that would otherwise accelerate wear on adjacent components.
Symptoms of Failure
- Transmission oil seepage at axle seals: A worn 0730.110.727 washer allows excessive end-play, causing the 0750117075: TAPER ROLLER BEARING to shift and compromise seal integrity.
- Gear whine under load: When this washer loses its precise thickness, the differential gear set develops incorrect backlash, producing a distinct high-pitched noise during acceleration.
- Intermittent drive engagement: A collapsed or deformed washer creates axial play that allows the 2093209023: DIFFERENTIAL to momentarily disengage from the pinion gear.
- Metallic debris in transmission fluid: As the washer surface degrades, microscopic steel particles contaminate the oil, often visible during routine drain intervals.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.110.727 |
| Material | Case-hardened alloy steel (DIN 1.3505 equivalent) |
| Outer Diameter | 72.0 mm |
| Inner Diameter | 55.0 mm |
| Thickness | 2.5 mm (selective fit tolerance ±0.05 mm) |
| Weight | 0.042 kg |
| Surface Hardness | HRC 58-62 |
| OEM Reference | ZF 0730.110.727 |
Compatibility
This washer is primarily specified for ZF WG180 and WG200 series powershift transmissions used in wheel loaders, graders, and telehandlers. It also fits select ZF 4WG-200 and 6WG-200 variants where the 5838300626: DIFFERENTIAL HOUSING requires precise shimming. Always verify your transmission serial number against ZF technical bulletins before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209023 | DIFFERENTIAL | Secondary differential for multi-axle configurations |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gear set |
| 0631329088 | SPRING PIN | Secures shift fork alignment |
| 5838300811 | THRUST WASHER | Controls axial play in bevel gear set |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Driveshaft connecting differential to wheels |
| 5838300753 | THRUST WASHER | Reduces friction on planetary gear carrier |
| 5838300818 | THRUST WASHER | Preload spacer for output shaft assembly |
Frequently Asked Questions
Q: Can I reuse the 0730.110.727 washer during a rebuild?
A: No. This is a single-use selective shim. Its thickness is calibrated for initial assembly; reuse will result in incorrect bearing preload and premature failure of the 0750117075: TAPER ROLLER BEARING.
Q: How do I measure the correct washer thickness for my transmission?
A: Use a depth micrometer to measure the recess in the differential housing, then subtract the bearing protrusion. The ZF service manual for WG200 series provides specific calculation formulas.
Q: Does this washer work with aftermarket differentials?
A: Only when the aftermarket unit matches OEM dimensional tolerances. We recommend pairing with genuine ZF components like the 5838109012: DIFFERENTIAL for guaranteed fitment.
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Phone: +86 158 2286 3467 |
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