ZF 0730.112.606 SHIM | OEM Genuine Part

Overview

The ZF 0730.112.606 SHIM is a precision-engineered OEM genuine spacer component designed to establish critical axial clearances within ZF heavy-duty transmission assemblies. This thin, hardened steel shim sits between the differential housing and the bearing race, ensuring proper preload and gear mesh alignment. As a factory-specified part, the SKU 0730.112.606 is essential for maintaining the exact tolerances required for long-term drivetrain reliability in construction machinery. Without this shim, the entire differential assembly—including the 2099109002: DIFFERENTIAL and the 2099364014: CROWN WHEEL—cannot achieve the correct backlash and bearing preload, leading to premature wear.

Symptoms of Failure

When the ZF 0730.112.606 shim wears, compresses, or is incorrectly selected during rebuild, operators will notice specific drivetrain issues. Look for these failure symptoms to identify a worn or missing shim:

• Excessive gear backlash and clunking: A loose shim allows the 2099209001: DIFFERENTIAL to shift axially, producing a metallic clunk when shifting from forward to reverse.
• Oil leaks from the axle housing: Incorrect shim thickness misaligns the 2098309010: DIFFERENTIAL HOUSING, distorting seals and causing transmission fluid seepage.
• Premature bearing failure: A collapsed shim reduces bearing preload, leading to overheating and spalling of the tapered roller bearings within 500 operating hours.
• Vibration under load: Worn shims allow the crown wheel to drift out of mesh with the pinion, creating a low-frequency vibration during excavation or grading operations.

Technical Specifications

Compatibility

This OEM shim is specifically engineered for ZF powershift transmissions commonly found in wheel loaders, graders, and telehandlers. Based on its dimensional profile and application, the 0730.112.606 is compatible with the following ZF transmission models:

• ZF WG180 series (WG180, WG181)
• ZF WG200 series (WG200, WG201)
• ZF 4WG-200 series
• ZF 6WG-200 series (early production)
• ZF Ergopower 3-speed dropbox variants

Always verify the shim thickness requirement using the factory service manual, as selective fit shims are matched to the specific 2098309010: DIFFERENTIAL HOUSING and bearing stack during assembly.

Related Components