ZF 0730.108.408 SHIM | OEM Genuine Part

Overview

The ZF 0730.108.408 SHIM is a precision-engineered OEM genuine part designed to establish critical axial clearances within heavy-duty ZF powershift transmissions. This shim sits between the differential housing and the bearing race, ensuring that gear mesh patterns and preload tolerances remain within factory specifications. The SKU 0730.108.408 is manufactured to exact ZF thickness standards, making it essential for rebuilds where accumulated wear has altered internal spacing. Without this shim, the entire differential assembly can shift under load, leading to accelerated component fatigue.

Symptoms of Failure

When the ZF 0730.108.408 shim deforms or corrodes, operators often notice excessive end-play in the differential carrier during routine inspections. A second common failure symptom is low-frequency gear whine from the transmission center section, particularly under deceleration. Third, worn shims frequently cause intermittent engagement hesitation in forward gears, as the differential preload becomes inconsistent. Finally, metal debris in the transmission oil filter can indicate that the shim has fractured, allowing the 5838109007: DIFFERENTIAL to contact the housing directly.

Technical Specifications

Compatibility

This shim is a direct fit for ZF WG180, WG200, and WG210 series transmissions commonly found in construction machinery such as wheel loaders and graders. It also applies to select ZF 4WG-200 and 6WG-200 variants where the differential housing uses a 108 mm outer diameter bore. Always verify the existing shim stack thickness before installation, as the 0750117075: TAPER ROLLER BEARING preload depends on the cumulative shim pack height. For machines equipped with a locking differential, the 2095209019: DIFFERENTIAL assembly also requires this shim to maintain proper side-gear clearance.

During reassembly, the 0631329086: SPRING PIN that retains the shift fork must be installed after the shim is seated, as the pin’s depth is affected by the axial position of the differential carrier. Using an incorrect shim thickness can cause the spring pin to shear under load.

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