Overview
The ZF 0730.109.565 WASHER is a precision-engineered OEM genuine component designed to maintain critical axial clearances within heavy-duty construction machinery transmissions. This hardened steel washer sits between rotating gear assemblies and housing surfaces, preventing metal-on-metal contact and ensuring consistent load distribution under high torque conditions. As a factory-specified part, the SKU 0730.109.565 directly replaces worn washers in planetary gear sets and differential assemblies, restoring factory tolerances without modification. Its role is vital for protecting adjacent components like the 5838109012: DIFFERENTIAL and the 0750117075: TAPER ROLLER BEARING from premature wear caused by excessive endplay.
Symptoms of Failure
- Transmission oil leaks near the differential housing: A worn 0730.109.565 washer allows lateral shaft movement, breaking the seal at the 5838300626: DIFFERENTIAL HOUSING interface and causing fluid seepage.
- Gear slipping under load in construction equipment: When this washer loses thickness, axial play increases, leading to incomplete gear engagement and intermittent power loss during excavation or grading.
- Metallic grinding noise from the transmission sump: Thinned washers permit contact between the 2093209023: DIFFERENTIAL and housing, producing audible debris contamination.
- Vibration during gear shifts: Uneven washer wear creates inconsistent preload on planetary carriers, resulting in harsh engagement and driveline shudder.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.109.565 |
| Material | Hardened carbon steel (HRC 45-50) |
| Outer Diameter | 65.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 2.5 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.109.565 |
| Surface Finish | Ground, deburred edges |
Compatibility
This washer is engineered for ZF WG series transmissions commonly used in construction machinery, including the WG180, WG200, and WG240 models. It also fits select ZF ERGOPOWER and ECOMIX variants where axial thrust washers are specified for the differential carrier. Always verify fitment by cross-referencing the 0730.109.565 part number against your transmission’s parts manual, as variations exist between early and late production units.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2093209023 | DIFFERENTIAL | Secondary differential for multi-axle drive |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 0631329088 | SPRING PIN | Secures washer alignment on shaft |
| 5838300811 | THRUST WASHER | Controls axial clearance in gear sets |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Rotates to drive wheels |
| 5838300753 | THRUST WASHER | Reduces friction on planetary gears |
| 5838300818 | THRUST WASHER | Provides wear surface for output shaft |
Frequently Asked Questions
Q: Can I reuse the 0730.109.565 washer during a rebuild?
A: No. This washer is a single-use component due to its crush-type design. Reusing it risks improper preload and accelerated failure of the 5838109012: DIFFERENTIAL.
Q: What torque should I apply to the retaining nut when installing this washer?
A: Always refer to the ZF service manual for your specific transmission model. Typical values range from 180–220 Nm for WG series differentials.
Q: How does this washer differ from the 5838300811 THRUST WASHER?
A: The 0730.109.565 is a thinner, hardened shim used for fine axial adjustment, while the 5838300811 is a thicker thrust washer for primary load bearing.
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Phone: +86 158 2286 3467 |
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