Overview
The ZF 0730.102.064 SHIM is a precision-engineered adjustment component designed specifically for the WG 65 Series transmission. This OEM genuine part functions as a critical spacer within the planetary gearset assembly, ensuring correct axial clearance between rotating and stationary components. By maintaining precise end-play tolerances, the shim prevents excessive gear movement and protects adjacent bearing surfaces from premature wear. The SKU 0730.102.064 is manufactured to ZF’s original factory specifications, guaranteeing a perfect fit when installed alongside the 2094101012: TRANSMISSION HOUSING and the 2094301036: HOUSING assembly.
Symptoms of Failure
When the ZF 0730.102.064 shim wears or deforms beyond specification, several distinct failure modes emerge. Transmission gear slipping under load is a primary indicator, as incorrect clearance allows clutch packs to lose engagement pressure. Metallic whining noise during deceleration often signals that the shim has compressed unevenly, causing gear teeth to contact improperly. Delayed engagement when shifting from neutral to drive can occur when axial play exceeds 0.5mm, preventing proper hydraulic pressure buildup. Oil contamination with fine metallic particles in the filter indicates the shim is grinding against the 2094298057: HOUSING surface.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0730.102.064 |
| Material | Case-hardened steel (DIN 1.3505) |
| Outer Diameter | 64.0 mm ±0.05 mm |
| Inner Diameter | 52.0 mm ±0.03 mm |
| Thickness | 1.02 mm (selective fit range: 0.95–1.10 mm) |
| Weight | 18 grams |
| Surface Finish | Ground, Ra ≤ 0.4 µm |
| OEM Reference | ZF 0730.102.064 |
Compatibility
This shim is engineered for the ZF WG 65 Series transmission family, which includes the WG65, WG80, WG100, WG120, WG150, WG180, and WG200 models. It is specifically required when rebuilding the planetary carrier assembly in these units. The 0730.102.064 shim works in conjunction with the 2094301071: COVER to establish the correct preload on the output shaft bearing. Always verify the selective fit thickness during assembly using a depth micrometer.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101012 | TRANSMISSION HOUSING | Main structural casing for gearset |
| 2094301036 | HOUSING | Intermediate support housing |
| 2094298057 | HOUSING | Rear housing section |
| 2094301071 | COVER | Bearing retention cover |
| 0750111371 | SHAFT SEAL | Prevents oil leakage at shaft exit |
| 0634303085 | O-RING | Seals housing joints |
| 2094301030 | GASKET | Flange sealing gasket |
| 0631306670 | CYLINDRICAL PIN | Alignment dowel for housing |
| 0636011356 | HEXAGON SCREW | Fastener for housing bolts |
| 4475280060 | SCREW PLUG | Seals oil passages |
Frequently Asked Questions
Q: Can I reuse the 0730.102.064 shim during a rebuild?
A: No. ZF recommends replacing this shim with every transmission overhaul. The selective fit thickness may change due to wear on mating surfaces, and reusing a compressed shim will result in incorrect bearing preload.
Q: How do I measure the correct shim thickness for my WG65?
A: Install the output shaft and bearing without the shim, torque the cover to spec, then measure the axial gap with a feeler gauge. Select the 0730.102.064 shim that matches that gap within 0.02 mm tolerance.
Q: Will this shim fit the ZF WG180 transmission?
A: Yes, the 0730.102.064 shim is compatible with all WG65 series variants including WG180, provided the planetary carrier uses the same 64mm outer diameter pocket. Always cross-reference your transmission serial number.
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