Overview
The ZF 0730.109.414 SHIM is a precision-engineered OEM genuine part designed to establish the correct axial clearance and preload within ZF heavy-duty transmission assemblies. This shim sits between the differential housing and the bearing race, acting as a critical spacer that ensures optimal gear mesh and load distribution. By using the SKU 0730.109.414, technicians can restore factory-specified tolerances during rebuilds or repairs, preventing premature wear on adjacent components. It is commonly utilized in construction machinery transmissions where high torque and shock loads demand exacting dimensional accuracy.
Symptoms of Failure
When the ZF 0730.109.414 SHIM wears or is incorrectly installed, several distinct failure modes emerge. Excessive differential end-play is a primary indicator, often felt as a clunking sensation when shifting between forward and reverse. Premature bearing noise from the differential area—a whining or grinding sound during operation—signals that the shim has lost its thickness. Oil leaks at the differential housing seal can occur because improper shim clearance allows the housing to shift, distorting the seal lip. Finally, uneven tire wear on drive axles may develop as the differential gears lose proper alignment under load.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0730.109.414 |
| Material | Case-hardened steel (DIN 1.3505 equivalent) |
| Thickness | 2.50 mm (nominal) |
| Outer Diameter | 95.0 mm |
| Inner Diameter | 72.0 mm |
| Weight | 0.045 kg |
| OEM Reference | ZF 0730.109.414 |
| Hardness | HRC 58-62 |
Compatibility
This shim is engineered for ZF heavy-duty powershift transmissions commonly found in construction machinery. It is directly compatible with the ZF WG180, WG200, and WG210 series. The part also fits select ZF Ergopower and ZF Ecolite transmission variants used in wheel loaders, graders, and dump trucks. Always verify the shim stack height against the service manual for your specific transmission model.
During installation, this shim works in concert with several adjacent components. The 5838109012: DIFFERENTIAL must be properly seated to ensure the shim aligns with the bearing bore. The 0750117075: TAPER ROLLER BEARING rides directly against this shim, making its condition critical for correct preload. Additionally, the 2093209023: DIFFERENTIAL and the 5838300626: DIFFERENTIAL HOUSING must be inspected for wear whenever replacing this shim.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports differential rotation under load |
| 2093209023 | DIFFERENTIAL | Secondary differential assembly |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears and shims |
| 0631329088 | SPRING PIN | Secures differential components |
| 5838300811 | THRUST WASHER | Controls axial play in gear sets |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Drives wheel hubs |
| 5838300753 | THRUST WASHER | Reduces friction on gear faces |
| 5838300818 | THRUST WASHER | Provides bearing surface for differential |
Frequently Asked Questions
Q: How do I know if the 0730.109.414 shim needs replacement?
A: Measure the differential end-play with a dial indicator. If clearance exceeds 0.15 mm, or if you detect bearing noise during a road test, the shim has likely worn beyond service limits.
Q: Can I reuse this shim during a transmission rebuild?
A: No. ZF recommends always installing a new OEM shim during rebuilds because the original part compresses and work-hardens over time, altering its thickness.
Q: Is this shim compatible with aftermarket differentials?
A: The shim is dimensioned for OEM ZF differentials. Using it with non-OEM units may require re-measuring the stack height to avoid improper preload.
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Phone: +86 158 2286 3467 |
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