Overview
The ZF 2093.104.411 MAIN SHAFT is a critical torque-transfer component positioned within the main drive gear train of ZF’s heavy-duty WG-series transmissions. As the central rotating axis, it transmits engine power from the input shaft to the output assembly, directly influencing gear engagement stability. This OEM Genuine Part (SKU: 2093.104.411) is precision-machined to maintain concentricity under high-load conditions, ensuring smooth power flow through the differential and axle systems.
Symptoms of Failure
- Hard shifting or gear clash — When the main shaft splines wear, the sliding gears fail to engage cleanly, producing grinding noises during ratio changes.
- Vibration under load — A bent or fatigued main shaft causes driveline shudder, particularly noticeable when accelerating with a loaded trailer.
- Oil contamination with metallic debris — Flaking surface metal from a worn shaft mixes with transmission fluid, visible as glitter in the oil pan during routine checks.
- Intermittent power loss — Excessive radial play allows the shaft to wobble, momentarily disengaging the gear mesh and causing a “slipping” sensation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.104.411 |
| Overall Length | 485 mm (estimated) |
| Shaft Diameter (bearing journals) | 55 mm / 65 mm |
| Spline Count | 14-tooth involute (input end) |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 4.2 kg (9.3 lbs) |
| OEM Reference | ZF 2093.104.411 |
Compatibility
This main shaft is engineered for the ZF WG100, WG130, and WG131 transmission families. It also fits select variants of the WG180 and WG200 series when used with the correct bearing stack. Always verify the shaft’s spline engagement with the 2093109008: DIFFERENTIAL and the 2093209096: DIFFERENTIAL assembly before installation.
Installation Notes
During rebuild, the main shaft must be paired with a new 0750117075: TAPER ROLLER BEARING to maintain preload. The 2093309073: DIFF.HOUSING should be inspected for cracks, as housing distortion accelerates shaft wear. Always replace the 0631100223: SPRING PIN that locks the shaft to the gear hub.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109008 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports radial/axial shaft loads |
| 2093209096 | DIFFERENTIAL | Secondary torque split unit |
| 2093309073 | DIFF.HOUSING | Encloses differential gears |
| 0631100223 | SPRING PIN | Locks shaft-to-gear alignment |
| 0730300820 | THRUST WASHER | Controls axial end-play |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Carries side gears within diff |
| 5838300811 | THRUST WASHER | Reduces friction on gear faces |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Mesh with pinion gears |
Frequently Asked Questions
Q: Can the 2093.104.411 main shaft be used in a ZF WG131 with a power take-off?
A: Yes, this shaft supports PTO-driven applications, but verify that the PTO gear’s spline count matches the 14-tooth pattern. The 4482360002: AXLE BEVEL GEAR may require shimming if the PTO load is high.
Q: How do I confirm the shaft is not bent before installation?
A: Place the shaft on V-blocks and rotate it with a dial indicator. Runout should not exceed 0.05 mm. Any bend beyond this will damage the 0750117075: TAPER ROLLER BEARING within hours of operation.
Q: Is the thrust washer 0730300820 always replaced with this shaft?
A: ZF recommends replacing both the 0730300820: THRUST WASHER and the 5838300811: THRUST WASHER whenever the main shaft is swapped, as worn washers create axial play that accelerates spline wear.
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ZF 2093.104.411 MAIN SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 2093.104.411 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 2093.104.411 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: T 7232 L
- Illustration section: T 7230 L
- Illustration section: T 7332
- 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 | 2093.104.411 |
|---|---|
| Normalized SKU | 2093104411 |
| 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.
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