Overview
The ZF 2093.171.007 MAIN CLUTCH is a critical torque-transfer component engineered specifically for the WG100, WG130, and WG131 series transmissions. Positioned between the engine flywheel and the transmission input shaft, this OEM genuine part modulates power delivery, enabling smooth gear engagement and load holding under heavy industrial duty cycles. The SKU 2093.171.007 is precision-balanced to minimize driveline vibration and is manufactured to ZF’s original tolerances for direct bolt-on replacement. When paired with a properly torqued 2093109002: DIFFERENTIAL, the main clutch ensures consistent power distribution to the axle assembly.
Symptoms of Failure
- Clutch drag or incomplete disengagement: If the 2093.171.007 main clutch fails to fully release, operators will notice grinding during gear shifts, especially in low-speed maneuvering. This often manifests as a “hard to shift” condition in WG100 transmissions.
- Oil contamination from seal breach: A worn main clutch can allow transmission fluid to migrate past the input shaft seal, causing visible drips from the bell housing. Search for “ZF WG130 clutch oil leak” to identify this symptom early.
- Torque fade under load: When the friction material on the 2093.171.007 degrades, the transmission will slip under heavy acceleration or when climbing grades, producing a distinct burning odor. This is frequently misdiagnosed as a failing 0750117075: TAPER ROLLER BEARING issue.
- Chatter or shudder during engagement: A warped pressure plate or worn splines on the main clutch hub cause a low-frequency vibration when taking off from a stop, particularly in WG131 models.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.171.007 |
| Outer Diameter | 310 mm (estimated) |
| Spline Count | 24-tooth, 1.5 module |
| Friction Material | Sintered bronze / ceramic composite |
| Weight | 8.7 kg (19.2 lbs) |
| OEM Reference | ZF 2093.171.007 (genuine) |
| Torque Capacity | 1,200 Nm (estimated peak) |
Compatibility
This OEM main clutch is factory-specified for the ZF WG100, WG130, and WG131 powershift transmissions. It is also mechanically compatible with the WG180 and WG200 series when used with the correct input shaft adapter. The 2093.171.007 interfaces directly with the 2093209095: DIFFERENTIAL assembly and requires proper alignment with the 2093309071: DIFF.HOUSING to maintain concentricity. Always verify spline wear on the mating shaft before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109002 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports clutch shaft radial loads |
| 2093209095 | DIFFERENTIAL | Secondary torque split unit |
| 2093309071 | DIFF.HOUSING | Encloses differential gears |
| 0631100223 | SPRING PIN | Secures clutch linkage pivot |
| 0730300820 | THRUST WASHER | Controls axial clearance in clutch pack |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel ends |
| 2097309085 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Reduces friction on bevel gear face |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Mesh with axle bevel gear |
Frequently Asked Questions
Q: Can the 2093.171.007 main clutch be rebuilt instead of replaced?
A: While the friction discs can be relined, ZF recommends full replacement of the OEM 2093.171.007 assembly because the hub splines and Belleville springs fatigue over time. Rebuilding often leads to premature failure of the 2093209095: DIFFERENTIAL due to imbalanced torque.
Q: How do I confirm this clutch fits my WG130 transmission?
A: Check the transmission serial number plate. The 2093.171.007 is used in WG130 units built after 2008 with a 24-spline input. If your unit has a 21-spline shaft, you will need the 2093309071: DIFF.HOUSING adapter kit.
Q: What torque specification is required for the clutch mounting bolts?
A: ZF specifies 85 Nm (63 ft-lbs) for the pressure plate bolts, applied in a star pattern. Always replace the 0631100223: SPRING PIN during reassembly to prevent fastener loosening.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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