Overview
The ZF 0730.304.943 ADJUSTMENT PLATE is a precision-machined shim component engineered for critical clearance control within ZF heavy-duty powershift transmissions. Positioned between the clutch pack assembly and the 2098117002: HOUSING, this OEM genuine part ensures correct axial play for optimal clutch engagement and disengagement. The SKU 0730.304.943 directly governs the end float of rotating gear sets, preventing metal-to-metal contact during high-torque operations in construction machinery. Without this adjustment plate, transmission assemblies cannot achieve the factory-specified tolerances required for reliable power delivery.
Symptoms of Failure
- Delayed gear engagement under load: When the adjustment plate wears beyond tolerance, operators notice a hesitation when shifting from forward to reverse in wheel loaders or dozers.
- Intermittent clutch chatter: A worn 0730.304.943 allows excessive axial movement, producing a rhythmic vibration during low-speed maneuvering on job sites.
- Transmission overheating: Incorrect clearance from a deformed adjustment plate increases friction between clutch discs, causing fluid temperatures to spike above 120°C during extended operation.
- Metallic debris in oil filter: As the plate surface degrades, fine steel particles circulate through the system, often first detected during routine transmission oil analysis.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0730.304.943 |
| Material | Case-hardened steel (DIN 1.7131) |
| Outer Diameter | 180 mm |
| Inner Diameter | 95 mm |
| Thickness | 2.50 mm ± 0.05 mm |
| Weight | 0.42 kg |
| Surface Finish | Ground, Ra ≤ 0.8 µm |
| OEM Reference | ZF 0730.304.943 |
Compatibility
This adjustment plate is designed for ZF WG series powershift transmissions commonly found in construction equipment. Verified compatible models include the WG180, WG200, and WG210 series used in articulated dump trucks, crawler dozers, and wheel loaders. The part also fits select ZF 4WG-200 and 6WG-200 variants where the 2098301052: REAR AXLE HOUS. interfaces with the clutch drum assembly. Always confirm the thickness grade (marked on the plate face) matches your transmission’s current shim stack requirements. For installations requiring additional fasteners, pair this plate with a 0636103300: STUD and 0637101164: HEXAGON NUT to secure the housing assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098117002 | HOUSING | Encloses clutch pack and adjustment plate |
| 2098301052 | REAR AXLE HOUS. | Supports output shaft bearing preload |
| 0636103300 | STUD | Threaded fastener for housing alignment |
| 0637101164 | HEXAGON NUT | Secures stud to transmission case |
| 0636102566 | STUD | Alternate length for deep housing bores |
| 0636100960 | STUD | Short stud for brake housing attachment |
| 0637101167 | HEXAGON NUT | Lock nut for vibration-resistant assembly |
| 0634303044 | O-RING | Seals adjustment plate bore against oil leaks |
| 2098317013 | BRAKE HOUSING | Contains parking brake drum assembly |
| 2098317028 | BRAKE HOUSING | Alternate brake housing for high-torque variants |
