Overview
The ZF 0730.008.963 SHIM is a precision-engineered OEM genuine part designed for critical axial clearance adjustment within heavy-duty ZF transmissions. This shim sits between the transmission housing and the gear train assembly, ensuring correct preload and alignment of rotating components. The SKU 0730.008.963 is specifically utilized in construction machinery applications where vibration and thermal expansion demand exacting tolerances. By maintaining proper end-play, this shim prevents metal-to-metal contact and extends the service life of adjacent components such as the 2094101012: TRANSMISSION HOUSING and the 2094301036: HOUSING assembly.
Symptoms of Failure
- Excessive gear backlash and clunking noises — When the 0730.008.963 shim wears or compresses beyond tolerance, axial play increases, causing audible gear rattle during acceleration or deceleration.
- Premature bearing failure — Incorrect shim thickness leads to improper bearing preload, generating heat and accelerated wear on shafts and housings.
- Oil leaks at housing joints — A collapsed shim can misalign the 2094298057: HOUSING and 2094301071: COVER, breaking the seal surface and allowing transmission fluid to escape.
- Hard shifting or gear slippage — Loss of axial control affects clutch pack engagement, resulting in delayed or incomplete gear changes under load.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0730.008.963 |
| Material | Hardened spring steel (C67S) |
| Thickness | 0.50 mm ±0.02 mm |
| Outer Diameter | 68.0 mm |
| Inner Diameter | 42.0 mm |
| Weight | 12 grams |
| OEM Reference | ZF 0730.008.963 |
| Surface Finish | Ground, deburred edges |
Compatibility
This shim is engineered for ZF WG series powershift transmissions commonly found in construction machinery. It is compatible with the following ZF models: WG180, WG200, WG211, and WG240. The 0730.008.963 is also used in certain off-highway transmissions for wheel loaders and graders. Always verify clearance requirements when replacing the 2094101012: TRANSMISSION HOUSING or 2094301036: HOUSING to ensure correct shim selection.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101012 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 2094301036 | HOUSING | Intermediate housing for clutch pack |
| 2094298057 | HOUSING | Rear housing supporting output shaft |
| 2094301071 | COVER | Seals transmission end face |
| 0750111371 | SHAFT SEAL | Prevents fluid leakage at rotating shafts |
| 0634303085 | O-RING | Static seal between housing faces |
| 2094301030 | GASKET | Compression seal for cover joint |
| 0631306670 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636011356 | HEXAGON SCREW | Fastener for housing attachment |
| 4475280060 | SCREW PLUG | Seals oil passage ports |
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