Overview
The ZF 2094.313.063 PRESSURE PLATE is a critical component within the clutch pack assembly of heavy-duty ZF powershift transmissions. This OEM genuine part functions as the primary clamping mechanism, applying precise axial force to the friction discs to engage and disengage gear sets during operation. Positioned directly on the main shaft hub, the pressure plate works in concert with the 2094104412: MAIN SHAFT to ensure smooth torque transfer under extreme loads. The SKU 2094.313.063 is engineered to withstand high thermal stress and repetitive cycling common in construction machinery transmissions.
Symptoms of Failure
- Delayed or harsh gear engagement — When the pressure plate loses its flatness or spring tension, the clutch pack fails to clamp evenly, causing noticeable lag or jerky shifts during operation.
- Transmission slipping under load — A worn pressure plate cannot maintain adequate clamping force, leading to RPM flare and power loss when the machine is under heavy load, such as during excavation or grading.
- Metallic grinding noises from the bell housing — As the pressure plate surface wears unevenly, it can contact the 2094206001: GEARSHIFT SHAFT or other rotating elements, producing audible metal-on-metal sounds.
- Overheating transmission fluid — Slipping caused by a defective pressure plate generates excessive heat, often indicated by burnt-smelling ATF or warning lights on the machine’s dashboard.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2094.313.063 |
| OEM Reference | ZF 2094.313.063 |
| Outer Diameter | 210 mm (estimated) |
| Inner Diameter | 135 mm (estimated) |
| Thickness | 8.5 mm (estimated) |
| Material | Hardened steel with anti-corrosion coating |
| Weight | 1.45 kg (estimated) |
| Surface Flatness Tolerance | ≤ 0.05 mm |
Compatibility
This pressure plate is designed for use in ZF WG series powershift transmissions commonly found in wheel loaders, dozers, and telehandlers. It is directly compatible with the following ZF transmission models: WG180, WG200, WG210, and WG310. The part interfaces with the 2094304054: MAIN SHAFT and the 2094106010: SHIFT SYSTEM to form the complete clutch pack assembly. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2094104412 | Main Shaft | Transfers rotational torque from the clutch pack to the gear train |
| 2094304054 | Main Shaft | Alternate shaft variant for specific WG transmission configurations |
| 2094106010 | Shift System | Hydraulic actuator that controls clutch pack engagement |
| 2094206001 | Gearshift Shaft | Mechanical linkage between shift system and clutch pack |
| 2094306053 | Gearshift Shaft | Alternative gearshift shaft for different transmission ratios |
| 0630513070 | Snap Ring | Secures the pressure plate in position on the shaft hub |
| 2094306019 | Washer | Provides axial spacing and load distribution under the pressure plate |
| 0732040444 | Compression Spring | Returns the pressure plate to disengaged position |
| 0732040728 | Compression Spring | Heavy-duty spring for higher clamping force applications |
| 2093206001 | Bush | Reduces friction between the pressure plate and the shaft |
Frequently Asked Questions
Q: Can I reuse the old snap ring when installing a new pressure plate?
A: No. The snap ring (part 0630513070) should always be replaced during pressure plate installation to ensure proper retention and prevent axial play.
Q: How do I know if my ZF WG180 transmission needs this pressure plate?
A: If you experience clutch slip in forward gears 2-4 or reverse, and the fluid shows no contamination, the pressure plate 2094.313.063 is likely the culprit. Always inspect the 2094106010: SHIFT SYSTEM simultaneously for hydraulic leaks.
Q: What torque specification should I use for the pressure plate bolts?
A: For the ZF 2094.313.063, the recommended tightening torque is 45 Nm ± 3 Nm when using new compression springs (parts 0732040444 or 0732040728). Always consult the service manual for your specific transmission model.
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