Overview
The ZF 2094.313.068 CLUTCH SHAFT is a precision-engineered component designed for the WG100, WG130, and WG131 transmission series. This OEM genuine part serves as the primary interface between the clutch assembly and the gear train, transferring rotational force from the engine to the transmission’s internal gearing system. Located within the main housing, the 2094.313.068 shaft ensures smooth engagement and disengagement during gear shifts. For optimal drivetrain integrity, this shaft is often replaced alongside the 2094104412: MAIN SHAFT and the 2094106010: SHIFT SYSTEM to maintain synchronized performance.
Symptoms of Failure
When the ZF 2094.313.068 clutch shaft begins to wear, operators may notice distinct operational issues. Common failure indicators include:
- Hard shifting or gear grinding — A worn shaft spline can cause misalignment, making it difficult to engage gears smoothly.
- Transmission oil leaks near the clutch housing — Deterioration of the shaft seal surface allows fluid to escape, leading to low oil levels.
- Vibration during clutch engagement — An unbalanced or scored shaft creates noticeable tremors when the clutch pedal is released.
- Intermittent gear slipping under load — Excessive play in the shaft prevents the clutch from fully locking, causing power loss during acceleration.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 2094.313.068 |
| OEM Reference | ZF 2094.313.068 |
| Material | Case-hardened alloy steel |
| Overall Length | ~245 mm |
| Shaft Diameter | ~35 mm |
| Spline Count | 18-tooth involute spline |
| Weight | ~1.8 kg |
| Surface Treatment | Phosphate coating for corrosion resistance |
Compatibility
This clutch shaft is engineered for ZF WG-series transmissions, specifically the WG100, WG130, and WG131 models. It is also compatible with certain WG180 and WG200 variants that share the same spline geometry and shaft length. When servicing these transmissions, technicians frequently pair this part with the 2094304054: MAIN SHAFT and the 2094206001: GEARSHIFT SHAFT to ensure complete overhaul reliability.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | MAIN SHAFT | Transfers torque from clutch to gear set |
| 2094304054 | MAIN SHAFT | Alternate main shaft for WG130 variants |
| 2094106010 | SHIFT SYSTEM | Controls gear selection mechanism |
| 2094206001 | GEARSHIFT SHAFT | Links shift lever to internal forks |
| 2094306053 | GEARSHIFT SHAFT | Secondary shift shaft for WG131 |
| 0630513070 | SNAP RING | Secures shaft in housing bore |
| 2094306019 | WASHER | Provides axial thrust surface |
| 0732040444 | COMPRESSION SPRING | Dampens shift fork movement |
| 0732040728 | COMPRESSION SPRING | Heavy-duty spring for high-torque applications |
| 2093206001 | BUSH | Reduces friction on shaft journals |
Frequently Asked Questions
Q: Can the 2094.313.068 clutch shaft be used in a ZF WG180 transmission?
A: Yes, this shaft is compatible with WG180 models that share the same spline count and overall length as the WG100/WG130 series. Always verify the shaft diameter and seal groove position before installation.
Q: What causes premature wear on this clutch shaft?
A: Common causes include contaminated transmission fluid, misaligned clutch release bearings, and prolonged operation under heavy load without proper lubrication. Regular oil changes and bearing inspections can extend shaft life.
Q: Do I need to replace the snap ring and washer when installing this shaft?
A: Yes, it is strongly recommended to install a new 0630513070: SNAP RING and 2094306019: WASHER to ensure proper axial retention and prevent future play.
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