Overview
The ZF 2094.306.008 DRIVER is a critical internal component engineered for precise torque distribution within ZF powershift transmissions used in heavy construction machinery. This OEM genuine part, identified by SKU 2094.306.008, functions as the primary rotational interface between the input shaft and the planetary gear sets, ensuring synchronized power delivery under extreme load conditions. Designed to withstand high cyclic stress, this driver component directly influences shift quality and overall drivetrain efficiency. When paired with a 5838109012: DIFFERENTIAL, it forms the core of the final drive assembly, converting high-speed input into usable torque for tracked or wheeled machinery.
Symptoms of Failure
When the ZF 2094.306.008 DRIVER begins to wear, operators will notice distinct operational degradation. Common failure indicators include:
- Erratic gear engagement under load: The driver’s splines may strip or deform, causing the transmission to hesitate or clunk when shifting between forward and reverse gears.
- Metallic debris in transmission fluid: Worn driver surfaces shed fine metal particles, often visible during routine oil changes or filter inspections.
- Progressive oil leaks from the bell housing: A compromised driver seal interface allows hydraulic fluid to escape, leading to low pressure and slipping clutches.
- Vibration during low-speed maneuvering: As the driver loses concentricity, it induces driveline shudder that is most pronounced when maneuvering heavy loads at idle speeds.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 2094.306.008 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 142 mm |
| Overall Length | 98 mm |
| Spline Count (Input) | 24-tooth involute spline |
| Weight | 2.85 kg |
| OEM Reference | ZF 2094.306.008 |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
Compatibility
This genuine ZF driver is designed for integration into the WG180, WG200, and WG211 series powershift transmissions commonly found in wheel loaders, graders, and dozers. It is also compatible with certain ZF 4WG-310 and 6WG-200 variants used in articulated dump trucks. For complete assembly, this driver works in concert with a 0750117075: TAPER ROLLER BEARING to manage axial thrust loads, and it interfaces directly with the 2093209023: DIFFERENTIAL assembly for final torque multiplication. The 5838300626: DIFFERENTIAL HOUSING encloses this entire subassembly, ensuring proper lubrication and alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on the driver shaft |
| 2093209023 | DIFFERENTIAL | Secondary torque split unit for planetary gears |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and protects differential components |
| 0631329088 | SPRING PIN | Secures driver alignment within the hub |
| 5838300811 | THRUST WASHER | Controls axial clearance between rotating elements |
| 5838300721 | AXLE BEVEL GEAR | Transfers power at a 90-degree angle to wheel hubs |
| 5838300633 | AXLE | Transmits rotational force to final drives |
| 5838300753 | THRUST WASHER | Reduces friction on differential side gears |
| 5838300818 | THRUST WASHER | Prevents axial movement in planetary carrier |
Frequently Asked Questions
Q: How do I know if the 2094.306.008 driver needs replacement?
A: Inspect for visible spline wear or discoloration from heat. If the transmission exhibits delayed engagement or a whining noise that changes with throttle position, the driver is likely worn and should be replaced alongside the 0750117075: TAPER ROLLER BEARING.
Q: Can this driver be used in a ZF 4WG-200 transmission?
A: Yes, the 2094.306.008 is a direct fit for the 4WG-200 series. Always verify the spline count matches your existing hub. For complete rebuilds, we recommend also replacing the 5838300811: THRUST WASHER to maintain proper end-play tolerances.
Q: What causes premature failure of this driver?
A: The most common cause is contamination from worn clutch packs or a failing 5838300626: DIFFERENTIAL HOUSING that allows debris to circulate. Always flush the transmission cooler and replace all seals when installing a new driver.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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