Overview
The ZF 0730.110.745 WASHER is a precision-engineered OEM genuine component designed to maintain axial clearance and distribute clamping loads within heavy-duty ZF construction machinery transmissions. This hardened steel washer sits directly between the main shaft assembly and the shift system components, preventing metal-to-metal contact and ensuring consistent preload across rotating assemblies. As a critical spacer element, the SKU 0730.110.745 works in concert with the 2094104412: MAIN SHAFT and the 2094304054: MAIN SHAFT to secure proper gear alignment and torque transfer. Without this washer, the entire gear train loses its dimensional stability, leading to premature wear of adjacent bearings and synchronizers.
Symptoms of Failure
- Transmission oil leaks at shaft seals: When the 0730.110.745 washer wears thin, the main shaft shifts axially, distorting seal lips and causing hydraulic fluid seepage around the output flange.
- Gear engagement difficulty under load: A collapsed or deformed washer allows the 2094106010: SHIFT SYSTEM to lose its indexing position, resulting in grinding noises and missed shifts during operation.
- Vibration during low-speed maneuvering: Excessive axial play from a worn washer creates harmonic oscillations in the 2094206001: GEARSHIFT SHAFT, felt as shuddering through the chassis.
- Metallic debris in transmission oil pan: Flaking of the washer’s hardened surface introduces steel particles into the lubrication circuit, accelerating bearing failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.110.745 |
| Material | Hardened Carbon Steel (DIN 1.1221 equivalent) |
| Outer Diameter | 45.0 mm |
| Inner Diameter | 30.2 mm |
| Thickness | 2.5 mm |
| Surface Hardness | HRC 45–50 |
| Weight | 0.018 kg |
| OEM Reference | ZF 0730.110.745 |
Compatibility
This washer is engineered for ZF’s heavy-duty powershift transmission families used in construction machinery. It is a direct fit for the WG180, WG200, and WG210 series, where it functions as the axial spacer between the main shaft and the shift rail assembly. The part also appears in select WG120 and WG150 transmissions manufactured after 2008. Always verify stack-up dimensions when replacing this washer alongside the 2094304054: MAIN SHAFT to maintain factory clearance tolerances.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from engine to gear clusters |
| 2094304054 | MAIN SHAFT | Secondary shaft supporting reverse gear assembly |
| 2094106010 | SHIFT SYSTEM | Hydraulic actuator for gear selection |
| 2094206001 | GEARSHIFT SHAFT | Mechanical linkage between shift fork and rail |
| 2094306053 | GEARSHIFT SHAFT | Alternate-length shaft for WG200 models |
| 0630513070 | SNAP RING | Retains washer and shaft in axial position |
| 2094306019 | WASHER | Thicker spacer for high-load applications |
| 0732040444 | COMPRESSION SPRING | Provides preload to shift rail detent |
| 0732040728 | COMPRESSION SPRING | Heavy-duty spring for increased shift force |
| 2093206001 | BUSH | Wear sleeve for gearshift shaft support |
Frequently Asked Questions
Q: Can I reuse the 0730.110.745 washer during a transmission rebuild?
A: No. This washer is a single-use component that work-hardens during initial torque application. Always install a new OEM washer to maintain proper axial preload and prevent oil leaks.
Q: How do I know if my WG200 transmission needs this washer?
A: If you observe axial play exceeding 0.15 mm on the main shaft when checking with a dial indicator, or if the shift system binds during neutral-to-gear transitions, the washer has likely compressed beyond service limits.
Q: Does this washer fit the ZF 4WG-200 model?
A: Yes, the 0730.110.745 is the correct washer for the 4WG-200, 4WG-210, and 5WG-180 series. Always cross-reference your transmission serial number with the parts manual for confirmation.
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Phone: +86 158 2286 3467 |
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