Overview
The ZF 2093.171.005 MAIN CLUTCH is a critical torque-transfer component engineered specifically for the WG100, WG130, and WG131 series transmissions. This OEM genuine part acts as the primary engagement mechanism, directly connecting the engine’s flywheel to the transmission input shaft. By precisely modulating power flow, it ensures smooth gear shifts and protects downstream drivetrain components from shock loads. The SKU 2093.171.005 is manufactured to ZF’s exacting tolerances, guaranteeing a direct bolt-on replacement without modification. When installed, this main clutch works in concert with the 5838109009: DIFFERENTIAL to distribute torque evenly, while the 0750117075: TAPER ROLLER BEARING supports the rotating assembly under heavy axial loads.
Symptoms of Failure
When the ZF 2093.171.005 main clutch begins to degrade, operators will notice distinct performance issues. Gear slipping under load is the most common complaint, often accompanied by a burning smell as friction material overheats. Hard or jerky engagement when shifting from neutral to drive indicates worn clutch plates or weakened springs. A third failure mode is hydraulic fluid contamination, where clutch debris enters the transmission sump, causing erratic pressure in the 2093209023: DIFFERENTIAL assembly. Finally, abnormal vibration during acceleration suggests the clutch hub has developed excessive play, which can also stress the 5838300626: DIFFERENTIAL HOUSING.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.171.005 |
| Outer Diameter | 310 mm (estimated) |
| Inner Diameter (Spline) | 38 mm (estimated) |
| Friction Material | Sintered Bronze / Organic Composite |
| Weight | 4.2 kg (9.3 lbs) |
| OEM Reference | ZF 2093.171.005 |
| Torque Capacity | 1,200 Nm (estimated) |
Compatibility
This main clutch is precision-machined for the following ZF transmission models: WG100, WG130, and WG131. It is also backward-compatible with select WG80 variants when used with the correct adapter kit. For applications in WG180 or WG200 series transmissions, verify spline count and stack height before ordering. The clutch interfaces directly with the 5838109009: DIFFERENTIAL input shaft and requires the 0750117075: TAPER ROLLER BEARING for proper alignment during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109009 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial shaft loads |
| 2093209023 | DIFFERENTIAL | Secondary torque distribution unit |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and protects differential gears |
| 0631329088 | SPRING PIN | Secures clutch hub to shaft |
| 5838300811 | THRUST WASHER | Reduces axial friction in gear sets |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 5838300633 | AXLE | Transmits rotational force to wheels |
| 5838300753 | THRUST WASHER | Controls end-play in differential |
| 5838300818 | THRUST WASHER | Provides wear surface for rotating components |
Frequently Asked Questions
Q: Can the ZF 2093.171.005 main clutch be rebuilt, or must it be replaced?
A: This is a non-serviceable sealed unit. Once the friction material wears beyond specification, the entire assembly must be replaced to avoid catastrophic transmission failure.
Q: How do I confirm this clutch fits my WG130 transmission?
A: Check the spline count on your input shaft (typically 21 splines for WG130). The 2093.171.005 also requires the 0750117075: TAPER ROLLER BEARING to be in good condition; replace it simultaneously for optimal performance.
Q: What is the typical service interval for this main clutch?
A: In normal industrial use, expect 3,000–5,000 operating hours. Heavy shock loading or frequent start-stop cycles will reduce this lifespan significantly.
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