Overview
The ZF 2093.171.004 MAIN CLUTCH is a critical torque-transfer component engineered specifically for the WG100, WG130, and WG131 transmission series. Positioned between the engine flywheel and the transmission input shaft, this OEM genuine part ensures smooth engagement and disengagement of power flow, protecting downstream gearsets from shock loads. The SKU 2093.171.004 is precision-machined to ZF’s factory tolerances, guaranteeing a direct fit and reliable performance in heavy-duty industrial applications. When paired with a properly maintained 2093109002: DIFFERENTIAL, the main clutch optimizes power distribution across the driveline.
Symptoms of Failure
- Clutch slippage under load: A worn 2093.171.004 main clutch will cause the transmission to lose torque transfer, especially when climbing grades or carrying heavy payloads. This often manifests as a sudden RPM spike without corresponding vehicle acceleration.
- Hard shifting or gear grinding: When the main clutch fails to disengage fully, operators experience difficulty shifting into forward or reverse gears, accompanied by a metallic grinding noise from the transmission housing.
- Oil contamination from clutch debris: Friction material shedding from a degraded main clutch can clog the transmission oil filter and contaminate the 0750117075: TAPER ROLLER BEARING, leading to premature bearing wear and reduced lubrication efficiency.
- Vibration during engagement: A warped or glazed clutch plate produces noticeable driveline shudder when the pedal is released, indicating the need for immediate replacement of the 2093.171.004 assembly.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2093.171.004 |
| Outer Diameter | 430 mm (estimated) |
| Spline Count | 24-tooth internal spline |
| Friction Material | Sintered metallic compound |
| Weight | 14.2 kg (31.3 lbs) |
| OEM Reference | ZF 2093.171.004 (genuine) |
| Torque Capacity | 2,800 Nm (estimated) |
Compatibility
This main clutch is designed for the ZF WG100, WG130, and WG131 powershift transmission families. It is also compatible with the WG180 and WG200 series when used in conjunction with the correct input shaft adapter. For complete driveline integrity, always inspect the 2093209095: DIFFERENTIAL and the 2093309071: DIFF.HOUSING for wear when replacing the clutch assembly. The 2093.171.004 is not backward-compatible with older ZF 4WG-65 models without significant modification.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109002 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on shafts |
| 2093209095 | DIFFERENTIAL | Secondary differential for planetary gears |
| 2093309071 | DIFF.HOUSING | Encloses and supports differential gears |
| 0631100223 | SPRING PIN | Secures clutch hub alignment |
| 0730300820 | THRUST WASHER | Reduces axial friction in clutch pack |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to final drive |
| 5838300811 | THRUST WASHER | Controls end-play in gear sets |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Provides speed differentiation between wheels |
Frequently Asked Questions
Q: How do I know if the 2093.171.004 main clutch is the correct part for my WG131 transmission?
A: Verify the transmission serial number and count the input spline teeth. The 2093.171.004 uses a 24-tooth internal spline. If your unit has a 20-tooth spline, you will need an adapter or a different clutch assembly.
Q: Can I replace just the friction discs inside the main clutch without replacing the entire 2093.171.004 assembly?
A: ZF recommends replacing the complete clutch assembly (part 2093.171.004) because the hub and pressure plate wear at similar rates. Reusing worn components can lead to premature failure of the new friction discs and damage to the 0750117075: TAPER ROLLER BEARING.
Q: What torque specification should I use when installing the 2093.171.004 main clutch?
A: Tighten the clutch-to-flywheel bolts to 85 Nm (63 lb-ft) in a star pattern. Always use new lock washers and inspect the 0631100223: SPRING PIN for deformation before reassembly.
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Phone: +86 158 2286 3467 |
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