Overview
The ZF 2093.304.068 MAIN SHAFT is a critical rotating component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part serves as the primary torque-transfer interface, connecting the input drive to the gear cluster within the transmission housing. As the central axis for gear engagement, the main shaft ensures precise alignment of all rotating elements. The SKU 2093.304.068 is manufactured to ZF’s exacting tolerances, guaranteeing minimal runout and maximum load capacity under heavy-duty industrial cycles. This shaft works in concert with the 2093109024: DIFFERENTIAL to distribute power evenly to the axles, and it interfaces directly with the 0750117075: TAPER ROLLER BEARING for smooth rotational support.
Symptoms of Failure
When the ZF 2093.304.068 MAIN SHAFT begins to degrade, operators will notice distinct performance issues. “Transmission gear slipping under load” is a primary indicator, as a worn shaft cannot maintain proper gear mesh alignment. “Metallic grinding noise from transmission housing” often accompanies shaft wear, caused by surface spalling or pitting on the splines. “Oil contamination with metallic particles” is another telltale sign, as the shaft’s hardened surface sheds debris into the lubricant. Finally, “Vibration during gear engagement” suggests the shaft has developed excessive runout, compromising the entire driveline balance. Ignoring these symptoms can lead to catastrophic failure of the 2093209095: DIFFERENTIAL and the 2093309071: DIFF.HOUSING.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2093.304.068 |
| Overall Length | 485 mm (estimated) |
| Major Diameter | 55 mm (estimated) |
| Spline Count | 21 (estimated) |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 8.2 kg (estimated) |
| OEM Reference | ZF 2093.304.068 |
| Hardness | 58-62 HRC (case depth 0.8-1.2 mm) |
Compatibility
This main shaft is specifically designed for ZF’s WG-series industrial transmissions. It is a direct fit for the WG100, WG130, and WG131 models, which are commonly found in heavy-duty material handling equipment, agricultural machinery, and construction vehicles. The shaft also supports the WG180 and WG200 series when used in conjunction with the correct bearing set. For proper installation, always pair this shaft with the 0750117075: TAPER ROLLER BEARING and verify alignment with the 2093309071: DIFF.HOUSING.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109024 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports main shaft radial and axial loads |
| 2093209095 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309071 | DIFF.HOUSING | Encloses differential gears and shaft |
| 0631100223 | SPRING PIN | Secures shaft components against rotation |
| 0730300820 | THRUST WASHER | Controls axial clearance on shaft |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Secondary axial load management |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with axle bevel gear for rotation |
Frequently Asked Questions
Q: How do I know if the ZF 2093.304.068 main shaft is failing?
A: Listen for a rhythmic clicking or grinding noise that increases with vehicle speed. Also check the transmission oil for metallic glitter, which indicates shaft spline wear.
Q: Can I install this shaft without replacing the taper roller bearing?
A: It is strongly recommended to replace the 0750117075: TAPER ROLLER BEARING simultaneously, as a worn bearing will quickly damage the new shaft’s bearing journal.
Q: Is this part compatible with the WG180 transmission?
A: Yes, the 2093.304.068 main shaft fits the WG180 when used with the correct differential housing and bearing spacers. Always verify with your ZF service manual.
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Phone: +86 158 2286 3467 |
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ZF 2093.304.068 MAIN SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 2093.304.068 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 2093.304.068 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 | 2093.304.068 |
|---|---|
| Normalized SKU | 2093304068 |
| Part name | MAIN SHAFT |
| Product category | shaft |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: diagram. 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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- ZF 4657.354.010 INPUT SHAFT
