Overview
The ZF 0730.109.647 SHIM is a precision-engineered OEM genuine component designed to establish critical axial clearances within heavy-duty ZF transmissions. This thin, hardened steel shim sits between the differential housing and bearing races, ensuring correct preload and gear mesh alignment. As part of the final drive assembly, the SKU 0730.109.647 compensates for manufacturing tolerances, preventing excessive end-play that can lead to premature wear. When installed alongside a 5838109007: DIFFERENTIAL, this shim maintains the precise spacing required for optimal load distribution across the gear train.
Symptoms of Failure
When the ZF 0730.109.647 shim wears or deforms, operators often notice specific drivetrain issues. Excessive differential end-play is a primary indicator, causing a distinct clunking noise during direction changes. Oil leaks from the axle housing may develop as the shim’s collapse alters seal alignment. Gear whine under load frequently occurs when the shim’s thickness reduction changes pinion-to-ring gear backlash. Finally, premature bearing failure in the differential carrier is common, as incorrect shim thickness forces the 0750117075: TAPER ROLLER BEARING to operate outside its designed preload range.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.109.647 |
| Material | Hardened Spring Steel (C67S) |
| Thickness | 0.50 mm (nominal) |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.5 mm |
| Weight | 12 grams |
| OEM Reference | ZF 0730.109.647 |
Compatibility
This shim is engineered for ZF’s WG-series powershift transmissions commonly used in construction machinery. It directly fits the WG180, WG200, and WG211 models, where it adjusts clearance in the differential output section. The part also applies to WG120 and WG150 transmissions when used in telehandlers and wheel loaders. Always verify stack height requirements when replacing this shim with a new 2095209019: DIFFERENTIAL assembly, as cumulative tolerances may require a different shim thickness.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2095209019 | DIFFERENTIAL | Alternative differential assembly variant |
| 0631329086 | SPRING PIN | Secures shim and bearing in position |
| 5838300817 | THRUST WASHER | Controls axial movement of gears |
| 5838300682 | DIFFERENTIAL AXLE | Transfers power from differential to wheels |
| 5838300811 | THRUST WASHER | Reduces friction on differential side gears |
| 5841302064 | THRUST WASHER | Spacer for planetary gear sets |
| 5838300137 | OUTER CLUTCH DISK | Provides friction surface in clutch packs |
| 5838300138 | INNER CLUTCH DISK | Steel separator in clutch assembly |
