Overview
The ZF 2095.204.009 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 gear cluster, ensuring precise power flow through the drivetrain. As the central axis of the gear train, the main shaft supports multiple gears and synchronizers, directly influencing shift quality and load capacity. The SKU 2095.204.009 is manufactured to ZF’s exacting tolerances, making it essential for maintaining factory-specified gear mesh and bearing alignment. When replacing this shaft, it is common to also inspect the 5838109006: DIFFERENTIAL for wear, as both components share the same lubrication circuit and load path.
Symptoms of Failure
- Gear grinding or hard shifting: A worn main shaft spline or bearing journal causes misalignment, making gear engagement difficult and noisy.
- Vibration under load: When the main shaft develops runout or fatigue cracks, you will feel a rhythmic vibration through the gear lever and chassis during acceleration.
- Oil contamination with metallic debris: Flaking or spalling on the shaft surface introduces steel particles into the transmission fluid, visible during drain intervals.
- Intermittent power loss: A fractured or twisted main shaft can cause sudden loss of drive in specific gears, often mistaken for clutch failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2095.204.009 |
| Overall Length | ~485 mm |
| Shaft Diameter (bearing journals) | 45 mm / 55 mm |
| Spline Count | 21-tooth involute |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | ~4.2 kg |
| OEM Reference | ZF 2095.204.009 |
| Hardness | 58-62 HRC (case) |
Compatibility
This main shaft is designed for the following ZF transmission models: WG100, WG130, WG131. It is also compatible with certain variants of the WG180 and WG200 series that share the same gear center distance and spline configuration. Always verify the transmission serial number before ordering. During installation, the 0750117075: TAPER ROLLER BEARING must be replaced simultaneously to prevent premature shaft wear. Additionally, the 2095209037: DIFFERENTIAL and 2095309059: DIFF.HOUSING should be inspected for scoring or pitting when the main shaft is removed.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109006 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports main shaft radial/axial loads |
| 2095209037 | DIFFERENTIAL | Secondary differential assembly |
| 2095309059 | DIFF.HOUSING | Encloses differential gears |
| 0631329086 | SPRING PIN | Secures shift fork to shaft |
| 0730300820 | THRUST WASHER | Controls axial play in gear stack |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to differential |
| 2095309081 | DIFFERENTIAL AXLE | Carries differential pinion gears |
| 5838300811 | THRUST WASHER | Reduces friction on differential side gears |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with axle bevel gear |
ZF 2095.204.009 MAIN SHAFT – Shaft RFQ Support
For ZF 2095.204.009 MAIN SHAFT, send the part number, removed-part photos, and application context so PartsZF can prepare a focused sourcing response.
Part-Number Summary
Use ZF number 2095.204.009 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: MAIN SHAFT
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 2095.204.009 |
|---|---|
| Normalized SKU | 2095204009 |
| Part name | MAIN SHAFT |
| Product category | shaft |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
Related Parts
- ZF 2094.110.011 P.T.O. SHAFT
- ZF 2094.110.014 P.T.O. SHAFT
- ZF 4642.303.002 OUTPUT SHAFT
- ZF 2093.110.011 P.T.O. SHAFT
- ZF 5838.300.106 INPUT SHAFT
