Overview
The ZF 0730.008.825 SHIM is a precision-engineered spacer component designed for the WG200 series transmission. This OEM genuine part plays a critical role in establishing the correct axial clearance and preload within the gear train assembly. By occupying the precise gap between rotating and stationary elements, the shim ensures that bearing loads are distributed evenly and that gear mesh alignment remains within factory tolerances. The SKU 0730.008.825 is manufactured to exact ZF specifications, guaranteeing a direct fit without the need for additional machining. When installed alongside a 4460165051: CONSOLE or a 4460368311: CONSOLE, this shim helps maintain structural integrity under high torque conditions.
Symptoms of Failure
- Excessive axial play in the output shaft: A worn or incorrectly sized shim allows the shaft to move longitudinally, causing a noticeable clunk during gear engagement and uneven tire wear on drive axles.
- Persistent transmission oil seepage near the rear housing: When the shim loses its thickness, the bearing preload drops, leading to seal distortion and slow oil leaks that worsen over time.
- High-frequency whining noise during deceleration: Inadequate shim support allows the pinion gear to shift slightly, creating a metallic whine that is most audible when the vehicle coasts downhill.
- Intermittent gear slipping under heavy load: As the shim compresses or fractures, the clutch pack clearance increases, causing momentary loss of power transfer during uphill climbs or towing.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.008.825 |
| Material | Case-hardened steel (DIN 1.3505) |
| Outer Diameter | 82.5 mm |
| Inner Diameter | 68.0 mm |
| Thickness | 0.25 mm |
| Weight | 12 grams |
| OEM Reference | ZF 0730.008.825 |
| Surface Finish | Ground, Ra ≤ 0.4 µm |
Compatibility
This shim is primarily specified for the ZF WG200 series, including the WG180, WG200, and WG210 variants. It is also used in certain WG160 and WG250 models that share the same planetary carrier assembly. The 0730.008.825 is a direct replacement for earlier shim codes 0730.008.820 and 0730.008.830. For proper installation, always pair this shim with a new 0636011429: HEXAGON SCREW and a 0730100365: WASHER to ensure correct clamping force and prevent fastener loosening.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4460165051 | CONSOLE | Houses shift mechanism and provides mounting surface |
| 4460368311 | CONSOLE | Alternate console variant for WG200 series |
| 0636011429 | HEXAGON SCREW | Secures shim and console assembly |
| 0730100365 | WASHER | Distributes load under hexagon screw head |
| 4644105418 | DISCONNECTION | Engages/disengages PTO drive |
| 4644305041 | ADAPTER | Converts flange pattern for auxiliary units |
| 4460068159 | AXLE DRIVE | Transfers power to differential |
| 4460168651 | INPUT FLANGE | Connects transmission to engine output |
| 4460368318 | FLANGE | Mounts driveshaft to transmission output |
| 4460368317 | DUST PROTECTION | Seals flange area from debris ingress |
