ZF 0730.110.081 WASHER | OEM Genuine Part

Overview

The ZF 0730.110.081 WASHER is an OEM genuine shim component engineered for precise axial clearance control within heavy-duty construction machinery transmissions. This hardened steel washer sits between the differential housing and the taper roller bearing assembly, ensuring correct preload on rotating gear sets. As a factory-spec part, the SKU 0730.110.081 guarantees exact dimensional tolerances required for ZF power shift transmissions. When installed alongside a 5838109009: DIFFERENTIAL, this washer prevents metal-to-metal contact that would otherwise accelerate gear wear. Its primary function is maintaining the critical end-play gap that allows the 0750117075: TAPER ROLLER BEARING to rotate freely while supporting axial loads from the final drive assembly.

Symptoms of Failure

• Transmission oil leaks at axle housing interface — A worn 0730.110.081 washer allows excessive bearing play, distorting the 5838300626: DIFFERENTIAL HOUSING seal surface and causing hydraulic fluid seepage.
• Intermittent gear slipping under load — As the washer thickness degrades, the 2093209023: DIFFERENTIAL loses proper mesh alignment, producing momentary power loss during excavation or grading operations.
• Metallic grinding noise from transmission sump — Reduced washer height permits the taper roller bearing to hammer against the housing, creating audible distress signals during cold starts or low-speed maneuvering.
• Vibration through driveline at highway speeds — Uneven washer wear introduces rotational imbalance that transmits through the axle shafts, often misdiagnosed as wheel bearing failure.

Technical Specifications

Compatibility

This genuine ZF washer is primarily specified for the WG180 and WG200 series power shift transmissions used in wheel loaders, graders, and telehandlers. It also appears in the ZF 4WG-180, 4WG-200, and 4WG-210 models where differential preload adjustment is required. The 0730.110.081 is compatible with both standard and limited-slip differential configurations. Always verify the existing washer thickness before replacement, as selective fit washers are used in pairs with the 5838300811: THRUST WASHER to achieve factory clearance specifications.

Related Components

Frequently Asked Questions

Q: Can I reuse the 0730.110.081 washer during a differential rebuild?
A: No. This washer is a single-use component that compresses during initial torque application. Reusing it will result in incorrect bearing preload and premature transmission failure. Always install a new OEM washer with each differential service.

Q: How do I measure the correct washer thickness for my ZF transmission?
A: Use a depth micrometer to measure the housing recess depth, then subtract the bearing protrusion height. The 0730.110.081 is available in 0.05 mm increments from 2.00 mm to 3.00 mm. Select the thickness that yields 0.10-0.15 mm end-play when the housing bolts are torqued to 120 Nm.

Q: Will this washer fit the ZF 4WG-310 transmission?
A: No. The 4WG-310 uses a larger 90 mm outer diameter washer (part 0730.110.095). The 0730.110.081 is strictly for WG180/WG200 series units. Verify your transmission model plate before ordering.