Overview
The ZF 0730.006.677 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 planetary gear sets and housing surfaces, acting as a load-spreading interface that prevents metal-on-metal contact during high-torque operations. As an integral part of the differential assembly, the SKU 0730.006.677 ensures consistent gear mesh alignment and reduces frictional wear. When installed alongside a 5838109012: DIFFERENTIAL, it stabilizes the rotating components under extreme axial loads.
Symptoms of Failure
- Transmission oil leaks around the differential housing – A worn 0730.006.677 washer allows excessive end-play, forcing seals to fail and causing visible fluid seepage near the axle interface.
- Gear slipping under load in construction equipment – When the washer thickness degrades, gear engagement depth decreases, leading to intermittent power loss during grading or digging operations.
- Metallic grinding noise during turns – Insufficient washer support causes the 0750117075: TAPER ROLLER BEARING to misalign, producing audible chatter from the differential area.
- Vibration in the driveline at low speeds – A collapsed washer creates uneven preload on the 2093209023: DIFFERENTIAL, transmitting vibration through the chassis.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.006.677 |
| Material | Hardened carbon steel (HRC 58-62) |
| Outer Diameter | 72.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 2.5 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.006.677 |
Compatibility
This washer is engineered for ZF WG series transmissions commonly used in wheel loaders, excavators, and telehandlers. It fits the following models: WG180, WG200, WG210, and WG240. The part is also compatible with the 5838300626: DIFFERENTIAL HOUSING assembly found in older ZF 4WG-200 and 6WG-200 variants. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2093209023 | DIFFERENTIAL | Secondary torque distribution unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gear set |
| 0631329088 | SPRING PIN | Secures washer alignment |
| 5838300811 | THRUST WASHER | Absorbs axial thrust forces |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Rotates wheel hubs |
| 5838300753 | THRUST WASHER | Reduces friction in planetary sets |
| 5838300818 | THRUST WASHER | Controls gear end-play |
Frequently Asked Questions
Q: Can I reuse the 0730.006.677 washer during a rebuild?
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 differential bearings.
Q: How do I know if my ZF transmission needs this washer?
If you are replacing the 5838300626: DIFFERENTIAL HOUSING or servicing the 0750117075: TAPER ROLLER BEARING, the washer must be replaced. Check for visible flattening or cracking on the old part.
Q: Is this washer compatible with aftermarket differentials?
Yes, but only when used with OEM-spec 5838109012: DIFFERENTIAL units. Non-genuine parts may have different thickness tolerances.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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