Overview
This ZF 0730.006.687 WASHER is an OEM genuine shim component engineered for precision load distribution within heavy-duty construction machinery transmissions. Positioned between planetary gear sets and bearing races, this hardened steel washer maintains critical axial clearances in the differential assembly. The SKU 0730.006.687 ensures exact factory tolerances for ZF power-shift transmissions, preventing metal-on-metal contact during high-torque operations. When paired with a 5838109012: DIFFERENTIAL, this washer stabilizes the rotating assembly under extreme loads.
Symptoms of Failure
- Transmission oil leaks at axle housing seals — A worn 0730.006.687 washer allows excessive end-play, distorting the 5838300626: DIFFERENTIAL HOUSING seal surface and causing fluid seepage.
- Intermittent gear slipping under load — Reduced washer thickness alters clutch pack clearances, leading to delayed engagement in WG180 and WG200 series transmissions.
- Metallic grinding noise from differential — Worn shim material allows the 0750117075: TAPER ROLLER BEARING to migrate, creating uneven gear tooth contact.
- Vibration during low-speed maneuvering — Degraded washer flatness causes axial runout in the 2093209023: DIFFERENTIAL assembly, transmitting harmonics through the driveline.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.006.687 |
| Material | Hardened Carbon Steel (HRC 58-62) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.5 mm |
| Thickness | 2.5 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.006.687 |
| Surface Finish | Ground, deburred edges |
Compatibility
This washer is engineered for ZF WG180, WG200, and WG210 series power-shift transmissions commonly found in wheel loaders, graders, and excavators. It also fits select ZF ECCOMIX concrete mixer transmissions. Always verify clearance requirements when replacing this shim alongside a 5838300811: THRUST WASHER or 5838300721: AXLE BEVEL GEAR to maintain factory stack-up tolerances.
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 torque distribution unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses gear set and bearings |
| 0631329088 | SPRING PIN | Retains shift fork alignment |
| 5838300811 | THRUST WASHER | Controls axial play in planetary sets |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 5838300633 | AXLE | Drives final reduction gears |
| 5838300753 | THRUST WASHER | Secondary axial spacer |
| 5838300818 | THRUST WASHER | Adjusts differential preload |
Frequently Asked Questions
Q: Can I reuse the 0730.006.687 washer during a rebuild?
No. This shim compresses permanently during initial torque application. Always install a new OEM washer to maintain factory clearance specifications.
Q: How do I verify correct washer thickness for my ZF transmission?
Measure the axial gap between the differential housing and bearing race using a depth micrometer. The 0730.006.687 provides 0.10-0.15 mm preload when properly selected.
Q: Does this washer fit ZF 4WG-200 transmissions?
Yes. The 0730.006.687 is compatible with 4WG-200, 4WG-210, and 5WG-180 series. Always cross-reference with your transmission serial number for confirmation.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
