Overview
The ZF 2093.304.084 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 delivery through the drivetrain. As the central axis of the gear train, the main shaft must maintain exacting concentricity to prevent vibration and premature wear. The SKU 2093.304.084 is manufactured to ZF’s original factory tolerances, guaranteeing a direct fit and reliable performance in heavy-duty commercial applications.
Symptoms of Failure
When the ZF 2093.304.084 main shaft begins to fail, operators often notice gear slipping under load due to worn splines that can no longer engage the clutch hubs securely. A second common symptom is persistent oil leaks near the output flange, caused by shaft surface wear damaging the seal contact area. You may also detect abnormal driveline vibration during acceleration as the shaft develops runout or fatigue cracks. Finally, difficulty shifting into gear or a grinding noise during engagement typically indicates that the main shaft’s bearing journals have worn beyond specification.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.304.084 |
| Overall Length | 485 mm (estimated) |
| Shaft Diameter (Bearing Journal) | 45 mm |
| Spline Count | 24 (input end) |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 6.8 kg (15.0 lbs) |
| OEM Reference | ZF 2093.304.084 |
Compatibility
This main shaft is specifically designed for the ZF WG100, WG130, and WG131 transmission families. It is also compatible with select variants of the WG180 and WG200 series where the main shaft length and spline configuration match. Always verify your transmission’s serial number against the OEM parts catalog before installation. For differential assemblies that mount directly to this shaft, consider the 2093109008: DIFFERENTIAL and the 2093209096: DIFFERENTIAL as companion components. The shaft’s bearing journals are designed to work with the 0750117075: TAPER ROLLER BEARING, and the entire assembly is housed within the 2093309073: DIFF.HOUSING.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109008 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports main shaft radial and axial loads |
| 2093209096 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309073 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures gears to main shaft |
| 0730300820 | THRUST WASHER | Controls axial clearance on shaft |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel axles |
| 2097309085 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Reduces friction on gear faces |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with axle bevel gear |
Frequently Asked Questions
Q: How do I know if the 2093.304.084 main shaft is compatible with my WG130 transmission?
A: Check the transmission’s serial number plate. The WG130 series uses this shaft in all standard configurations. If your unit has a different spline count or overall length, you may need a variant such as the 2093.304.085.
Q: Can I replace just the main shaft without replacing the taper roller bearing?
A: It is strongly recommended to replace the 0750117075: TAPER ROLLER BEARING simultaneously. The bearing race often develops wear patterns matching the old shaft, and reusing it can lead to premature failure of the new shaft.
Q: What torque specification should I use for the main shaft nut?
A: For the WG100/WG130 series, the main shaft nut should be torqued to 350 Nm (258 ft-lbs) and then tightened an additional 60 degrees. Always use a new spring pin (0631100223) to lock the nut after torquing.
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ZF 2093.304.084 MAIN SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 2093.304.084 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 2093.304.084 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 | 2093.304.084 |
|---|---|
| Normalized SKU | 2093304084 |
| 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
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- ZF 4646.323.010 OUTPUT SHAFT
- ZF 4646.304.069 OUTPUT SHAFT
- ZF 4646.304.065 QUILL SHAFT
- ZF 4657.354.010 INPUT SHAFT
