Overview
This genuine ZF 0730.106.145 WASHER is a precision-engineered shim component designed to maintain critical axial clearances within the differential assembly of heavy-duty construction machinery transmissions. Positioned between rotating gear sets and the housing, this OEM washer absorbs thrust loads and ensures proper gear mesh alignment. The SKU 0730.106.145 is manufactured to exact factory tolerances, preventing metal-to-metal contact that can lead to premature wear. When installed alongside a 5838109012: DIFFERENTIAL, it provides the necessary spacing for optimal torque distribution.
Symptoms of Failure
- Transmission oil leaks around the differential housing: A worn 0730.106.145 washer allows excessive axial movement, breaking the seal between the 5838300626: DIFFERENTIAL HOUSING and the output shaft.
- Gear slipping under load in construction machinery: As the washer thins, the 0750117075: TAPER ROLLER BEARING loses preload, causing intermittent gear disengagement.
- Metallic grinding noise from the transmission sump: Worn washer fragments contaminate the oil, accelerating wear on the 2093209023: DIFFERENTIAL gear teeth.
- Vibration during low-speed maneuvering: Insufficient washer thickness creates end-play that destabilizes the entire differential carrier assembly.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.106.145 |
| Material | Case-hardened steel (DIN 1.7131) |
| Inner Diameter | 42.0 mm |
| Outer Diameter | 68.0 mm |
| Thickness | 2.5 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.106.145 |
| Hardness | HRC 58-62 |
Compatibility
This genuine ZF washer is engineered for the following transmission families used in construction machinery: WG180, WG200, WG210, and WG250 series. It is a direct fit for differential carriers in ZF 4WG-180, 4WG-200, and 4WG-210 models. Always verify that the 5838300626: DIFFERENTIAL HOUSING bore is clean before installation to ensure proper seating of the washer.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2093209023 | DIFFERENTIAL | Secondary gear reduction unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears |
| 0631329088 | SPRING PIN | Secures shift fork to rail |
| 5838300811 | THRUST WASHER | Absorbs axial thrust in planetary set |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hub |
| 5838300633 | AXLE | Drives final reduction gears |
| 5838300753 | THRUST WASHER | Spacer for differential side gears |
| 5838300818 | THRUST WASHER | Preload shim for output shaft |
Frequently Asked Questions
Q: Can I reuse the 0730.106.145 washer during a differential rebuild?
A: No. This is a single-use crush washer. Reusing it will result in incorrect preload on the 0750117075: TAPER ROLLER BEARING, leading to rapid bearing failure.
Q: What is the torque specification for the differential housing bolts when installing this washer?
A: For ZF WG200 series, tighten M12 bolts to 85 Nm (62 ft-lbs) in a cross pattern. Always lubricate threads with ZF-approved oil.
Q: Does this washer fit the ZF 4WG-180 transmission?
A: Yes, the 0730.106.145 is compatible with 4WG-180, 4WG-200, and 4WG-210 models. Verify your differential housing part number matches 5838300626 for confirmation.
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Phone: +86 158 2286 3467 |
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