Overview
The ZF 2093.209.002 REAR AXLE SHAFT is a critical driveline component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part transmits torque from the differential assembly directly to the wheel hubs, ensuring smooth power delivery and load distribution under heavy-duty operating conditions. Positioned within the final drive housing, the SKU 2093.209.002 interfaces directly with the 2093109001: DIFFERENTIAL to convert rotational force into linear vehicle motion. Precision-machined from high-strength alloy steel, this axle shaft maintains concentricity under extreme torsional stress, making it indispensable for maintaining drivetrain integrity in commercial vehicles and industrial machinery.
Symptoms of Failure
When the ZF 2093.209.002 rear axle shaft begins to wear, operators often notice distinct performance degradation. 1. Intermittent gear slipping under load — a sudden loss of traction or “clunking” sensation during acceleration typically indicates spline wear on the shaft. 2. Chronic oil seepage near the wheel hub — degraded shaft sealing surfaces allow differential lubricant to escape, leaving visible drips on the axle housing. 3. Unusual vibration at highway speeds — a rhythmic shudder that intensifies with velocity often points to shaft imbalance or bearing surface damage. 4. Metallic grinding noises during turns — this symptom suggests the shaft has lost proper engagement with the 0750117075: TAPER ROLLER BEARING, requiring immediate inspection to prevent catastrophic failure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 2093.209.002 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 485 mm (19.1 in) |
| Spline Diameter | 38 mm (1.50 in) – 24-tooth involute |
| Bearing Journal Diameter | 45 mm (1.77 in) |
| Weight | 4.2 kg (9.3 lbs) |
| OEM Reference | ZF 2093.209.002 (Genuine) |
| Heat Treatment | Induction hardened to HRC 58-62 |
Compatibility
This rear axle shaft is specifically designed for ZF WG-series transmissions. Verified compatibility includes the following models: WG100, WG130, WG131, WG180, and WG200. It also fits select variants of the WG150 and WG250 series when paired with the correct 2093209095: DIFFERENTIAL assembly. For applications using the 2093309071: DIFF.HOUSING, confirm the spline count matches your existing unit before installation. Always verify axle flange bolt pattern and bearing preload specifications for your specific transmission revision.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109001 | DIFFERENTIAL | Distributes torque between axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports axle shaft radial and axial loads |
| 2093209095 | DIFFERENTIAL | Secondary differential for multi-axle configurations |
| 2093309071 | DIFF.HOUSING | Encloses differential gears and shaft ends |
| 0631100223 | SPRING PIN | Secures shaft to differential carrier |
| 0730300820 | THRUST WASHER | Controls axial end-play of axle shaft |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from ring gear to shaft |
| 2097309085 | DIFFERENTIAL AXLE | Cross-shaft for differential spider gears |
| 5838300811 | THRUST WASHER | Reduces friction on differential side gears |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with pinion gear for final drive |
Frequently Asked Questions
Q: Can the ZF 2093.209.002 be used in a WG180 transmission without modification?
A: Yes, the WG180 shares the same spline dimensions and bearing journal specifications as the WG130. However, always inspect the differential housing bore for wear before installation, as mismatched tolerances can accelerate shaft failure.
Q: How do I confirm the correct torque specification for the axle shaft nut?
A: For the 2093.209.002 shaft, the recommended tightening torque is 280 Nm (207 ft-lbs) with a 90-degree turn. Use a new cotter pin or spring pin (part 0631100223) to lock the nut after torquing.
Q: What causes premature spline wear on this rear axle shaft?
A: The most common cause is inadequate lubrication due to a failing 0750117075 taper roller bearing, which allows axial play and fretting. Always replace the bearing and thrust washer simultaneously with the shaft to ensure proper load distribution.
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ZF 2093.209.002 REAR AXLE SHAFT – Shaft RFQ Support
PartsZF supports RFQ preparation for ZF 2093.209.002 REAR AXLE SHAFT where shaft identification and documentation review are required before ordering.
Part-Number Summary
Use ZF number 2093.209.002 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: REAR AXLE HOUS.
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 | 2093.209.002 |
|---|---|
| Normalized SKU | 2093209002 |
| Part name | REAR AXLE 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
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- 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
