ZF 0730.111.802 SHIM | OEM Genuine Part

Overview

The ZF 0730.111.802 SHIM is a precision-engineered OEM genuine component designed to establish critical axial clearances within ZF heavy-duty transmission assemblies. This shim sits between the differential housing and bearing races, ensuring that gear mesh patterns remain within factory tolerances under extreme load conditions. The SKU 0730.111.802 is specifically calibrated for use in construction machinery transmissions where vibration and thermal expansion can rapidly degrade alignment. By maintaining proper preload on adjacent components like the 0750117075 TAPER ROLLER BEARING, this shim prevents premature wear on the entire differential assembly.

Symptoms of Failure

• Transmission whining noise under load – When the shim compresses or fractures, gear tooth contact patterns shift, producing a high-pitched whine during acceleration in construction equipment.
• Intermittent gear slipping in reverse – Worn shim thickness allows the 2093109029 DIFFERENTIAL to shift axially, causing momentary loss of drive engagement when backing up on inclines.
• Metal particles in transmission fluid – Degraded shim material sheds fine metallic debris that contaminates the hydraulic circuit, often first noticed during routine oil sampling.
• Uneven tire wear on drive axles – Misalignment from a collapsed shim forces the 2093209094 DIFFERENTIAL to distribute torque unevenly, accelerating tread wear on one side of the machine.

Technical Specifications

Compatibility

This shim is engineered for ZF power shift transmissions commonly deployed in wheel loaders, graders, and excavators. It directly fits the WG180 and WG200 series, as well as the 4WG-200 and 5WG-210 variants. The 0730.111.802 is also used in certain ZF Ergopower and Ecomat models where differential preload adjustment is required. Always verify the shim stack height when replacing the 2093309078 DIFF.HOUSING to maintain proper bearing crush.

Related Components

Frequently Asked Questions

Q: Can I reuse the 0730.111.802 shim during a transmission rebuild?
A: No. This shim is a single-use crush-type component. Reusing it will not restore proper preload and will lead to rapid bearing failure. Always install a new OEM shim when servicing the differential.

Q: How do I measure if the shim thickness is correct for my WG200 transmission?
A: Use a dial indicator to measure the end float of the differential shaft before disassembly. The target preload is 0.05–0.10 mm. Select the 0730.111.802 shim thickness that achieves this range when torqued to 450 N·m.

Q: Will this shim work with aftermarket differential housings?
A: It is designed exclusively for OEM ZF housings. Aftermarket housings often have different face runout tolerances, which can cause the shim to crush unevenly. We recommend pairing it with the genuine 2093309078 DIFF.HOUSING for guaranteed fitment.