Overview
The ZF 0730.001.931 SHIM is a precision-engineered OEM genuine part designed to establish critical axial clearances within heavy-duty ZF transmissions. This thin, hardened steel component sits between the transmission housing and bearing assemblies, compensating for manufacturing tolerances to ensure optimal gear mesh and load distribution. The SKU 0730.001.931 is specifically utilized in construction machinery applications where vibration resistance and exacting tolerances are non-negotiable. By maintaining proper end-play, this shim prevents premature wear on adjacent components such as the 2094101017: TRANSMISSION HOUSING and the 2094301069: HOUSING, ensuring the entire drivetrain operates within factory specifications.
Symptoms of Failure
- Excessive axial play in the output shaft – When the shim wears or compresses beyond tolerance, operators may notice a distinct clunking sensation during gear engagement, particularly under load in construction machinery.
- Oil seepage from housing joints – A degraded 0730.001.931 shim can misalign the 2094298054: HOUSING, creating gaps that allow transmission fluid to escape past seals and gaskets.
- Intermittent gear slipping under torque – Incorrect shim thickness reduces bearing preload, causing the clutch packs to lose clamping force during high-stress operations like digging or lifting.
- Increased drivetrain noise and vibration – Worn shims permit gear backlash to exceed limits, generating a low-frequency hum that intensifies with engine RPM.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 0730.001.931 |
| Material | Hardened spring steel (C67S equivalent) |
| Thickness | 0.50 mm ± 0.02 mm |
| Outer Diameter | 85.0 mm |
| Inner Diameter | 62.0 mm |
| Weight | 18 grams |
| OEM Reference | ZF 0730.001.931 |
Compatibility
This shim is engineered for ZF heavy-duty powershift transmissions commonly found in construction machinery. It is a direct fit for the following transmission models: WG180, WG200, WG210, and WG250 series. The 0730.001.931 is also compatible with select variants of the 4WG-200 and 6WG-250 transmissions used in wheel loaders, bulldozers, and graders. Always verify the shim stack height against the service manual for your specific transmission housing assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094101017 | TRANSMISSION HOUSING | Main structural casing that encloses gear sets and shafts |
| 2094301069 | HOUSING | Intermediate housing supporting bearing bores and oil passages |
| 2094298054 | HOUSING | Rear housing section that aligns output shaft and PTO drive |
| 0636302008 | SCREW PLUG | Seals oil fill/drain ports in the transmission housing |
| 0634801165 | SEALING RING | Provides static seal between housing mating surfaces |
| 0635460022 | BALL | Check valve ball for hydraulic control circuits |
| 2094301071 | COVER | Access cover plate for filter or valve body inspection |
| 2094301030 | GASKET | Prevents fluid leaks between housing and cover interfaces |
| 0750111371 | SHAFT SEAL | Dynamic seal for rotating shafts exiting the transmission |
| 0634303085 | O-RING | Elastomeric seal for hydraulic line connections |
