Overview
The ZF 0730.108.882 SHIM is a precision-engineered OEM genuine part designed to establish critical axial clearances within heavy-duty ZF transmission assemblies. This shim sits between the differential housing and the bearing support structure, ensuring correct preload on the taper roller bearings. By maintaining the exact spacing required for gear mesh alignment, the SKU 0730.108.882 prevents unwanted movement that can lead to premature wear. In construction machinery transmissions, this shim is essential for preserving the integrity of the differential carrier assembly and the surrounding clutch pack.
Symptoms of Failure
When the ZF 0730.108.882 shim wears or becomes deformed, operators often notice specific performance issues. Look for these failure symptoms:
- Excessive differential end-play – A worn shim allows the differential to shift axially, causing a noticeable clunking sound when shifting between forward and reverse.
- Oil leaks at the axle housing – Incorrect shim thickness can misalign the DIFFERENTIAL seal surface, leading to fluid seepage around the output flanges.
- Gear whine under load – Loss of proper shim preload on the TAPER ROLLER BEARING creates uneven tooth contact, producing a high-pitched whine during acceleration.
- Vibration in the driveline – A collapsed shim causes the DIFFERENTIAL carrier to wobble, transmitting vibration through the transmission case.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.108.882 |
| Material | Case-hardened steel (DIN 1.3505 equivalent) |
| Outer Diameter | 82.0 mm |
| Inner Diameter | 58.5 mm |
| Thickness | 0.50 mm (selective fit) |
| Weight | 0.012 kg |
| OEM Reference | ZF 0730.108.882 |
Compatibility
This shim is specifically engineered for ZF heavy-duty powershift transmissions used in construction machinery. It is a direct fit for the following ZF models:
- ZF WG180 series (all variants)
- ZF WG200 series (including WG200-2 and WG200-3)
- ZF WG120 series (early production)
- ZF 4WG-200 and 5WG-200 torque converter transmissions
When replacing this shim, always inspect the mating SPRING PIN that secures the differential carrier, as a worn shim often indicates collateral damage to this pin.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2095209019 | DIFFERENTIAL | Rear differential assembly for WG200 |
| 0631329086 | SPRING PIN | Locks differential carrier to housing |
| 5838300817 | THRUST WASHER | Controls axial play in planetary gear set |
| 5838300682 | DIFFERENTIAL AXLE | Transmits power to wheel hubs |
| 5838300811 | THRUST WASHER | Reduces friction on sun gear |
| 5841302064 | THRUST WASHER | Spacer for output shaft assembly |
| 5838300137 | OUTER CLUTCH DISK | Steel plate for clutch pack |
| 5838300138 | INNER CLUTCH DISK | Friction disk for clutch engagement |
