ZF 0730.110.743 SHIM | OEM Genuine Part

Overview

The ZF 0730.110.743 SHIM is a precision-engineered OEM genuine component designed to establish critical axial clearances within ZF heavy-duty transmission assemblies. This thin, hardened steel spacer sits between the differential housing and the bearing race, ensuring that gear mesh patterns remain within factory tolerances. The SKU 0730.110.743 is specifically used to adjust preload on the differential assembly, preventing unwanted movement that can lead to premature wear. When installed alongside a 5838109012: DIFFERENTIAL, this shim guarantees that the ring and pinion gears maintain optimal contact under load. Without the correct shim thickness, the entire drivetrain suffers from excessive backlash and vibration.

Symptoms of Failure

When the ZF 0730.110.743 shim wears or is incorrectly sized, operators will notice distinct mechanical issues. Excessive drivetrain backlash is the most common symptom, causing a clunking noise when shifting between forward and reverse. Oil leaks from the axle housing can occur if the shim failure allows the differential to shift, compromising the seal surface. Premature gear tooth wear manifests as a high-pitched whine during acceleration, indicating that the ring and pinion are no longer meshing correctly. Finally, intermittent wheel lock-up may occur in severe cases where the shim collapse allows the differential to bind against the housing.

Technical Specifications

Compatibility

This shim is a direct fit for ZF WG180, WG200, and WG250 series transmissions commonly used in construction machinery such as wheel loaders, telehandlers, and graders. It also applies to ZF 4WG-200 and 6WG-200 variants where the differential assembly requires precise axial shimming. For proper installation, always pair this part with a new 0750117075: TAPER ROLLER BEARING to maintain correct preload. The shim works in conjunction with the 2093209023: DIFFERENTIAL and must be seated against the 5838300626: DIFFERENTIAL HOUSING for proper alignment.

Related Components

Frequently Asked Questions

Q: Can I reuse the ZF 0730.110.743 shim after disassembly?
A: No. This shim is a single-use component. It deforms plastically during initial torque application to achieve the correct preload. Reusing it will result in incorrect gear mesh and rapid bearing failure.

Q: How do I measure the correct shim thickness for my transmission?
A: Use a dial indicator to measure the differential housing end-play without the shim. Subtract the desired preload (typically 0.05-0.10 mm) from this measurement. The result is the required shim thickness. Always select the nearest available shim size from the ZF 0730.110 series.

Q: What happens if I install a shim that is too thick?
A: An overly thick shim will cause the taper roller bearings to bind, generating excessive heat and leading to rapid bearing seizure. You will also notice increased rolling resistance and fuel consumption.