Overview
The ZF 2095.104.012 MAIN SHAFT is a critical rotating component within the WG100, WG130, and WG131 transmission assemblies. This OEM genuine part transmits torque from the input shaft through the gear train to the output flange, ensuring precise power delivery in heavy-duty industrial applications. As the central axis for gear clusters and synchronizer assemblies, the SKU 2095.104.012 must maintain strict dimensional tolerances to prevent driveline vibration and premature wear. When replacing this main shaft, technicians often inspect the 5838109021: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING for simultaneous wear, as these components share load paths within the same housing.
Symptoms of Failure
- Audible gear whine during acceleration: A worn main shaft bearing journal causes misalignment, producing a high-pitched whine that intensifies under load. This symptom often accompanies failure of the 2095209019: DIFFERENTIAL assembly.
- Oil contamination with metallic debris: Flaking or spalling on the shaft splines generates fine steel particles in the transmission fluid, visible during drain intervals.
- Intermittent gear engagement difficulty: A bent or twisted main shaft prevents synchronizer rings from seating fully, causing grinding when shifting into second or third gear.
- Axial play at the output flange: Excessive end float exceeding 0.15 mm indicates thrust surface wear, often requiring replacement of the 0631329086: SPRING PIN that secures the shaft in position.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2095.104.012 |
| Overall Length | 485 mm |
| Journal Diameter (Input) | 45 mm |
| Spline Count | 24 (involute) |
| Material | Case-hardened 20MnCr5 steel |
| Hardness | 58-62 HRC (surface) |
| Weight | 4.2 kg |
| OEM Reference | ZF 2095.104.012 |
Compatibility
This main shaft is engineered for ZF WG-series transmissions with 6-speed forward configurations. Verified compatible models include:
- ZF WG100 (all variants)
- ZF WG130 (including WG130-1 and WG130-2)
- ZF WG131 (early and late production runs)
- ZF WG180 (with adapter sleeve modification)
- ZF WG200 (limited to 1995-2002 builds)
Always cross-reference the transmission serial number before installation. For WG180 and WG200 applications, verify that the 5838300817: THRUST WASHER and 5838300682: DIFFERENTIAL AXLE are within specification to avoid premature shaft failure.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109021 | DIFFERENTIAL | Distributes torque between output shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports main shaft radial loads |
| 2095209019 | DIFFERENTIAL | Secondary differential for planetary gearset |
| 0631329086 | SPRING PIN | Locks main shaft to output hub |
| 5838300817 | THRUST WASHER | Controls axial clearance on shaft |
| 5838300682 | DIFFERENTIAL AXLE | Carrier shaft for differential pinions |
| 5838300811 | THRUST WASHER | Secondary thrust surface for gear cluster |
| 5841302064 | THRUST WASHER | Output side thrust bearing |
| 5838300812 | SEALING RING | Prevents oil migration past shaft |
| 5838300137 | OUTER CLUTCH DISK | Friction element for power take-off |
ZF 2095.104.012 MAIN SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 2095.104.012 MAIN SHAFT with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This shaft page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 2095.104.012 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 | 2095.104.012 |
|---|---|
| Normalized SKU | 2095104012 |
| Part name | MAIN SHAFT |
| Product category | shaft |
| Cross-reference support | Available for RFQ review |
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 4646.302.141 INPUT SHAFT
- ZF 4646.323.010 OUTPUT SHAFT
- ZF 4646.304.069 OUTPUT SHAFT
- ZF 4646.304.065 QUILL SHAFT
- ZF 4657.354.010 INPUT SHAFT
