Overview
The ZF 0730.304.942 ADJUSTMENT PLATE is a precision-machined shim component engineered for exacting axial clearance control within ZF heavy-duty powershift transmissions. Positioned between the clutch pack and the reaction hub, this OEM genuine part ensures correct preload and hydraulic piston stroke. The SKU 0730.304.942 is critical for maintaining proper gear engagement torque in construction machinery drivelines. Without this plate, the transmission cannot achieve the specified end-play tolerances, leading to premature wear of adjacent assemblies such as the 2098117002: HOUSING and the 2098301052: REAR AXLE HOUS..
Symptoms of Failure
- Delayed gear engagement under load: A worn or incorrect adjustment plate causes insufficient clutch pack compression, resulting in hesitation when shifting from neutral to drive in wheel loaders.
- Transmission overheating with no external leaks: Excessive axial play generates friction heat inside the drum, often misdiagnosed as a pump issue. This symptom is common when the 0636103300: STUD and 0637101164: HEXAGON NUT are torqued without verifying plate thickness.
- Intermittent slipping in forward gears: The adjustment plate’s surface wear reduces clamping force, causing the clutch to slip during high-torque operations like grading or excavating.
- Metallic rattling from the bell housing: A loose adjustment plate allows the clutch hub to oscillate, producing a distinct chatter that worsens at low RPM.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.304.942 |
| Material | Case-hardened steel (DIN 1.7131) |
| Thickness | 2.50 mm ± 0.05 mm |
| Outer Diameter | 142.0 mm |
| Inner Diameter | 98.5 mm |
| Weight | 0.18 kg |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
| OEM Reference | ZF 0730.304.942 |
Compatibility
This adjustment plate is designed for ZF WG series powershift transmissions commonly used in construction machinery. It directly fits the following models: WG180, WG200, WG211, and WG240. It is also compatible with certain ERGOPOWER variants (e.g., 4WG-200) where clutch pack shimming is required. Always verify the stack height using the 0636102566: STUD and 0636100960: STUD fasteners to ensure proper preload.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098117002 | HOUSING | Encloses clutch drum and supports planetary gears |
| 2098301052 | REAR AXLE HOUS. | Houses differential and final drive components |
| 0636103300 | STUD | Locates adjustment plate and housing alignment |
| 0637101164 | HEXAGON NUT | Secures studs to specified torque |
| 0636102566 | STUD | Alternative length for stacked plate configurations |
| 0636100960 | STUD | Short stud for brake housing attachment |
| 0637101167 | HEXAGON NUT | Lock nut for high-vibration applications |
| 0634303044 | O-RING | Seals hydraulic fluid between plate and drum |
| 2098317013 | BRAKE HOUSING | Contains parking brake piston assembly |
| 2098317028 | BRAKE HOUSING | Variant with additional cooling ports |
