Overview
The ZF 2095.204.007 MAIN SHAFT is a critical rotating component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part transmits torque from the input shaft to the output assembly, directly influencing gear engagement and driveline stability. The SKU 2095.204.007 is precision-machined to factory tolerances, ensuring concentric rotation within the planetary gear sets. When installed alongside a 5838109007: DIFFERENTIAL, this main shaft supports load distribution across the axle system. It also interfaces with the 0750117075: TAPER ROLLER BEARING to manage axial and radial forces during high-torque operations.
Symptoms of Failure
- Transmission gear slipping under load – A worn main shaft can cause intermittent power loss, especially when climbing or hauling heavy loads.
- Vibration or whining noise from the gearbox – Surface wear or scoring on the shaft creates harmonic vibrations that amplify with speed.
- Oil contamination with metallic debris – Flaking or spalling of the shaft material introduces ferrous particles into the transmission fluid.
- Difficulty engaging or disengaging gears – Misalignment due to shaft wear prevents smooth synchronizer operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2095.204.007 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 412 mm (approx.) |
| Major Diameter | 45 mm (spline section) |
| Weight | 3.8 kg (8.4 lbs) |
| OEM Reference | ZF 2095.204.007 |
| Surface Hardness | 58–62 HRC |
Compatibility
This main shaft is specifically designed for the ZF WG100, WG130, and WG131 transmission models. It is also compatible with certain variants of the WG180 and WG200 series when used with the correct bearing stack. For differential-side integration, pair this shaft with the 2095209019: DIFFERENTIAL to ensure proper gear mesh. Secure the assembly using the 0631329086: SPRING PIN to prevent axial movement during operation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109007 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial shaft loads |
| 2095209019 | DIFFERENTIAL | Secondary differential for planetary gear sets |
| 0631329086 | SPRING PIN | Locks shaft to hub assembly |
| 5838300817 | THRUST WASHER | Controls axial clearance |
| 5838300682 | DIFFERENTIAL AXLE | Transfers power to wheel ends |
| 5838300811 | THRUST WASHER | Reduces friction on shaft shoulder |
| 5841302064 | THRUST WASHER | Spacer for clutch pack alignment |
| 5838300137 | OUTER CLUTCH DISK | Steel plate for torque transfer |
| 5838300138 | INNER CLUTCH DISK | Friction-lined disk for engagement |
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