Overview
The ZF 0730.301.965 SHIM is a precision-engineered OEM genuine spacer component designed for critical axial clearance adjustment within heavy-duty ZF transmission assemblies. This shim sits between the differential housing and bearing races, ensuring correct preload on rotating elements. The SKU 0730.301.965 is specifically utilized in construction machinery transmissions to maintain optimal gear mesh alignment and prevent excessive end-play. By compensating for manufacturing tolerances, this thin metallic washer guarantees that adjacent components like the 2095109020: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING operate within their designed load limits, directly influencing drivetrain longevity.
Symptoms of Failure
- Oil leaks from differential housing: A worn or collapsed shim allows bearing race movement, breaking the seal between the 2095309059: DIFF.HOUSING and the shaft, leading to visible fluid seepage.
- Gear slipping under load: Incorrect shim thickness reduces preload on the 2095209037: DIFFERENTIAL assembly, causing momentary disengagement of bevel gears during high-torque operations.
- Excessive drivetrain vibration: Backlash increases beyond specification when the shim compresses, creating rhythmic clunking noises during acceleration or deceleration in construction machinery.
- Premature bearing failure: Without proper shim support, taper roller bearings experience uneven load distribution, generating metallic debris in the transmission fluid.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.301.965 |
| Material | Case-hardened steel (DIN 1.7131) |
| Thickness | 1.50 mm ± 0.02 mm |
| Outer Diameter | 85.0 mm |
| Inner Diameter | 62.0 mm |
| Weight | 0.035 kg |
| OEM Reference | ZF 0730.301.965 |
| Hardness | HRC 58-62 |
Compatibility
This shim is engineered for ZF WG-series transmissions commonly found in wheel loaders, excavators, and telehandlers. It is directly compatible with ZF WG180, WG200, and WG310 models. The part also integrates with ZF 4WG-200 and 6WG-310 variants used in construction machinery. For precise fitment, always verify the shim stack height against the 2095309081: DIFFERENTIAL AXLE assembly specifications.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2095109020 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads |
| 2095209037 | DIFFERENTIAL | Alternate differential assembly variant |
| 2095309059 | DIFF.HOUSING | Encloses differential gears |
| 0631329086 | SPRING PIN | Secures shim and bearing alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2095309081 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | High-load axial spacer |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear within differential |
