Overview
The ZF 2093.346.046 SHAFT is a precision-machined component designed for the internal power transfer assembly within ZF WG100, WG130, and WG131 transmissions. This OEM genuine part functions as a primary torque-carrying member, connecting the input drive to the differential gear set. Located in the lower gear train housing, the shaft ensures synchronized rotation between the pinion and ring gear. The SKU 2093.346.046 is manufactured to exact OEM tolerances, guaranteeing a direct fit and long service life in heavy-duty industrial applications.
Symptoms of Failure
- Transmission whining or grinding noise during acceleration: When the shaft surface wears or develops pitting, it creates irregular contact with mating gears, producing a distinct metallic sound under load.
- Intermittent gear slipping under heavy torque: A worn shaft can cause misalignment of the differential assembly, leading to momentary loss of drive engagement, especially during uphill or loaded operation.
- Oil contamination with metallic debris: As the shaft degrades, microscopic metal particles shed into the transmission fluid, visible during routine oil changes as a glittering or dark sludge.
- Vibration in the driveline at specific RPM ranges: Excessive shaft runout or bending creates harmonic vibrations that can be felt through the chassis, often misdiagnosed as a bearing issue.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2093.346.046 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 312 mm (estimated) |
| Shaft Diameter (bearing journal) | 45 mm |
| Spline Count | 24 involute splines |
| Weight | 2.85 kg (approx.) |
| Surface Hardness | 58-62 HRC |
| OEM Reference | ZF 2093.346.046 |
Compatibility
This shaft is engineered specifically for the ZF WG100, WG130, and WG131 transmission series. These models are commonly found in medium-duty trucks, agricultural tractors, and industrial material handling equipment. The part is not interchangeable with WG180 or WG200 series due to different shaft lengths and spline configurations. Always verify your transmission model tag before ordering. When replacing this shaft, it is recommended to inspect the 2093109006: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING for simultaneous wear. Additionally, the 2093209095: DIFFERENTIAL and 2093309071: DIFF.HOUSING should be checked for alignment damage if the shaft has failed catastrophically.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109006 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports shaft radial and axial loads |
| 2093209095 | DIFFERENTIAL | Secondary differential gear set |
| 2093309071 | DIFF.HOUSING | Encloses differential components |
| 0631100223 | SPRING PIN | Secures shaft to gear hub |
| 0730300820 | THRUST WASHER | Controls axial clearance |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub |
| 5838300811 | THRUST WASHER | Reduces friction on gear faces |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear mesh with shaft |
Frequently Asked Questions
Q: Can the ZF 2093.346.046 shaft be used in a WG180 transmission?
A: No. The WG180 series uses a longer shaft with different spline dimensions. Installing this part in a non-compatible model will cause immediate gear damage and transmission failure.
Q: How do I confirm the shaft is worn without removing it?
A: Measure backlash at the differential input flange. If rotational play exceeds 0.5 mm with the transmission in neutral, the shaft splines or bearing journals are likely worn. A borescope inspection of the spline area can confirm pitting.
Q: Is it necessary to replace the taper roller bearing when installing a new shaft?
A: Yes. The 0750117075: TAPER ROLLER BEARING always experiences matched wear with the shaft journal. Reusing an old bearing will accelerate shaft failure and may void the warranty on the new part.
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ZF 2093.346.046 SHAFT – Shaft RFQ Support
PartsZF supports RFQ preparation for ZF 2093.346.046 SHAFT where shaft identification and documentation review are required before ordering.
Part-Number Summary
Use ZF number 2093.346.046 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: FRONT WH.DRIVE
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 | 2093.346.046 |
|---|---|
| Normalized SKU | 2093346046 |
| Part name | 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
