Overview
The ZF 4644.152.093 CLUTCH is a critical torque-transfer component engineered specifically for the WG 180 and WG 200 series transmissions. This OEM genuine part, identified by SKU 4644.152.093, sits within the transmission’s hydraulic control circuit, engaging and disengaging power flow between the engine and the drivetrain. Precision-manufactured to ZF’s exacting tolerances, this clutch assembly ensures smooth gear shifts and reliable power delivery under heavy industrial loads. It integrates directly with the TRANSMISSION HOUSING and the HOUSING to form a sealed, high-pressure operating environment.
Symptoms of Failure
When the ZF 4644.152.093 clutch begins to wear, operators will notice distinct performance degradation. Common failure indicators include:
- Delayed or harsh gear engagement – The transmission hesitates before shifting or slams into gear, often caused by worn friction surfaces.
- Torque converter shudder – A vibration or shudder during acceleration under load, indicating the clutch is slipping or failing to lock up properly.
- Transmission overheating – Excessive heat buildup due to continuous clutch slippage, which can damage the TYPE PLATE and other internal components.
- Oil contamination with metallic debris – Visible metal particles in the transmission fluid, signaling advanced wear of the clutch pack.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4644.152.093 |
| OEM Reference | ZF 4644.152.093 |
| Material | High-strength steel with sintered bronze friction lining |
| Outer Diameter | Approx. 200 mm |
| Inner Diameter | Approx. 140 mm |
| Thickness | 12.5 mm (assembled) |
| Weight | 1.8 kg |
| Operating Pressure | 12–18 bar |
| Max Torque Capacity | 1,200 Nm |
Compatibility
This clutch is designed for ZF WG 180 and WG 200 series transmissions, commonly found in heavy-duty construction equipment, agricultural machinery, and industrial vehicles. It is a direct replacement for the original factory-installed clutch pack. For proper installation, ensure the GROOVED STUD is correctly torqued to the housing to prevent misalignment. The part also interfaces with the SHIFT SYSTEM and GASKET to maintain hydraulic integrity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101080 | TRANSMISSION HOUSING | Encloses and supports all internal transmission components |
| 4644301333 | HOUSING | Secondary housing for clutch and valve body assembly |
| 0730365125 | TYPE PLATE | Identification plate with transmission serial and model data |
| 0631311009 | GROOVED STUD | Alignment and fastening stud for clutch pack retention |
| 0636305019 | SCREW PLUG | Seals hydraulic passages during maintenance |
| 4644301247 | THREADED BUSH | Provides threaded anchor points for housing bolts |
| 0634303485 | O-RING | Prevents fluid leaks between clutch and housing interfaces |
| 4644106231 | SHIFT SYSTEM | Controls clutch engagement via hydraulic spool valves |
| 4644306470 | GASKET | Seals the clutch housing to prevent oil leaks |
| 4644306194 | COVER PLATE | Protects clutch assembly from external debris |
