ZF 0730.108.446 WASHER | OEM Genuine Part

Overview

This genuine OEM ZF 0730.108.446 WASHER is a precision-engineered component designed to maintain critical axial clearance and load distribution within heavy-duty construction machinery transmissions. Positioned between rotating assemblies in the differential and final drive sections, this hardened steel washer prevents metal-to-metal contact and ensures consistent gear alignment. The SKU 0730.108.446 is manufactured to ZF’s exacting tolerances, making it an essential part for maintaining transmission integrity under extreme torque loads. When installed alongside the 5838109012: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING, this washer ensures optimal preload and reduces wear on adjacent components.

Symptoms of Failure

• Transmission oil leaks around the axle housing: A worn 0730.108.446 washer can cause seal misalignment, leading to gradual fluid seepage. Search for “ZF transmission axle oil leak fix” to identify this issue.
• Gear slipping under load in construction equipment: When the washer loses its thickness, axial play increases, causing intermittent gear disengagement. This is a common “ZF WG200 gear slipping” symptom.
• Unusual whining or grinding noise from the differential: Excessive clearance from a degraded washer allows the 2093209023: DIFFERENTIAL to vibrate, producing audible noise during operation.
• Premature bearing failure in the final drive: A collapsed washer increases stress on the 0750117075: TAPER ROLLER BEARING, leading to overheating and spalling.

Technical Specifications

Compatibility

This washer is a standard shim component used across multiple ZF heavy-duty transmission families. It is directly compatible with the WG180, WG200, and WG211 series, commonly found in wheel loaders, graders, and excavators. It also fits select ZF Ecomat and ZF Ergopower transmissions where axial adjustment of the differential housing is required. Always verify fitment by cross-referencing the 5838300626: DIFFERENTIAL HOUSING part number for your specific assembly.

Related Components

Frequently Asked Questions

Q: Can I reuse the 0730.108.446 washer during a rebuild?
A: No. This washer is a single-use crush-type shim. Reusing it can lead to incorrect preload and rapid failure of the 0750117075: TAPER ROLLER BEARING.

Q: What tools are needed to replace this washer?
A: You will need a bearing puller, dial indicator, and torque wrench. The washer sits behind the 5838300626: DIFFERENTIAL HOUSING and requires disassembly of the axle carrier.

Q: Does this part fit ZF WG180 transmissions from 1998?
A: Yes, the 0730.108.446 is backward-compatible with WG180, WG200, and WG211 models produced from 1995 onward. Always check the differential housing part number for confirmation.