ZF 0730.108.078 SHIM | OEM Genuine Part

Overview

The ZF 0730.108.078 SHIM (SKU: 0730.108.078) is a precision-engineered OEM genuine component designed for critical axial clearance adjustment within ZF heavy-duty transmissions. This shim sits between the main shaft assembly and the gearshift housing, ensuring correct preload and alignment of rotating elements. By maintaining exact tolerances, it prevents unwanted axial movement that can lead to premature wear of adjacent components. In construction machinery applications, this shim is essential for preserving the structural integrity of the transmission’s internal gear train.

Symptoms of Failure

When the ZF 0730.108.078 SHIM wears or deforms, operators may notice specific performance issues. Common failure symptoms include:

• Transmission gear slipping under load – A worn shim allows excessive end-play, causing gears to lose engagement during operation.
• Metallic rattling noise from the gearbox – Insufficient clearance leads to contact between the main shaft and housing, producing a distinct clattering sound.
• Oil leaks near the shift system housing – Distorted shims can misalign seals, resulting in fluid seepage around the SHIFT SYSTEM interface.
• Hard or imprecise gear engagement – Axial play disrupts the synchronization of the GEARSHIFT SHAFT, making shifts feel vague or requiring extra force.

Technical Specifications

Compatibility

This shim is primarily used in ZF WG-series powershift transmissions common in construction machinery. Compatible models include WG180, WG200, and WG210 series. It also fits select ZF 4WG-200 and 6WG-200 variants. For proper installation, this shim works in conjunction with the MAIN SHAFT (2094104412) and the MAIN SHAFT (2094304054) to establish correct axial clearances. Always verify your transmission model’s parts manual before ordering.

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