Overview
This genuine ZF 0730.106.133 WASHER is a precision-engineered shim component designed to maintain critical axial clearances within heavy-duty construction machinery transmissions. Positioned between rotating assemblies and stationary housings, this OEM washer absorbs thrust loads and ensures proper gear mesh alignment. The SKU 0730.106.133 is a factory-spec part that directly supports the differential and axle assemblies, working in concert with components like the 5838109012: DIFFERENTIAL to prevent metal-on-metal contact during high-torque operations.
Symptoms of Failure
- Transmission oil seepage at axle housing joints: When the 0730.106.133 washer wears beyond tolerance, it creates uneven gaps that allow hydraulic fluid to escape, often visible as dark stains around the differential housing.
- Intermittent gear slippage under load: A collapsed or deformed washer reduces preload on the 0750117075: TAPER ROLLER BEARING, causing momentary loss of power transfer during excavation or grading.
- Metallic grinding noise from the transmission center section: Excessive axial play from a worn washer allows the 2093209023: DIFFERENTIAL gears to contact the housing, producing a distinct high-pitched whine or grinding sound.
- Increased backlash in the driveline: Operators may notice a delayed engagement when shifting between forward and reverse, indicating the washer can no longer maintain proper gear spacing.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.106.133 |
| Material | Hardened spring steel (C67S) with phosphate coating |
| Inner Diameter | 42.0 mm |
| Outer Diameter | 68.0 mm |
| Thickness | 2.5 mm (nominal) |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.106.133 |
| Hardness | HRC 45-50 |
Compatibility
This washer is engineered for ZF WG-series powershift transmissions commonly used in wheel loaders, graders, and telehandlers. It is a direct fit for the WG180, WG200, and WG210 models, where it functions as a thrust washer between the differential carrier and the 5838300626: DIFFERENTIAL HOUSING. It also applies to select ZF Ecomat and Ergopower transmissions requiring a 42mm inner diameter shim.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on shaft |
| 2093209023 | DIFFERENTIAL | Secondary differential for planetary axles |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gear set |
| 0631329088 | SPRING PIN | Secures shift fork to rail |
| 5838300811 | THRUST WASHER | Controls axial play in differential |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Driveshaft component for final drive |
| 5838300753 | THRUST WASHER | Thin shim for fine clearance adjustment |
| 5838300818 | THRUST WASHER | Thick shim for coarse clearance adjustment |
Frequently Asked Questions
Q: Can I reuse the 0730.106.133 washer during a transmission rebuild?
A: No. This is a single-use crush washer that deforms during initial torque application. Always replace it with a new OEM part to maintain proper preload on the taper roller bearing.
Q: How do I verify the correct thickness of this washer?
A: Measure the axial clearance between the differential housing and the bearing race using a dial indicator. The 0730.106.133 provides a nominal 2.5mm shim; if clearance exceeds 0.15mm, select a thicker or thinner washer from the ZF shim kit.
Q: Does this part fit ZF 4WG-200 transmissions?
A: Yes, the 0730.106.133 is compatible with the 4WG-200, 4WG-210, and 6WG-180 series. Always cross-reference your transmission serial number with the ZF parts catalog for confirmation.
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