Overview
The ZF 2099.310.203 P.T.O. SHAFT is a critical power take-off shaft engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part transmits rotational energy from the transmission gear train to auxiliary hydraulic pumps or driven equipment. Positioned within the lower gear cluster, the SKU 2099.310.203 ensures precise torque transfer and minimal backlash during high-load operations. When paired with a DIFFERENTIAL assembly, this shaft maintains consistent power distribution across the driveline.
Symptoms of Failure
- Audible gear whine or grinding noise during P.T.O. engagement, indicating spline wear or shaft fatigue.
- Intermittent power loss to auxiliary systems caused by stripped splines or torsional deformation of the shaft.
- Oil seepage around the P.T.O. housing due to worn shaft seals or bearing surface degradation.
- Vibration at specific RPM ranges when the shaft loses concentricity, often accompanied by premature failure of the TAPER ROLLER BEARING.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2099.310.203 |
| Material | Case-hardened alloy steel (16MnCr5) |
| Overall Length | 285 mm |
| Spline Diameter | 32 mm (10-tooth involute) |
| Weight | 2.4 kg |
| OEM Reference | ZF 2099.310.203 |
| Surface Treatment | Black oxide + phosphate coating |
Compatibility
This P.T.O. shaft is designed exclusively for ZF WG-series transmissions. Verified fitments include the WG100, WG130, and WG131 models. It also integrates with the WG180 and WG200 series when used in conjunction with the DIFFERENTIAL assembly. The shaft interfaces directly with the DIFF.HOUSING to maintain proper gear mesh alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109029 | DIFFERENTIAL | Distributes torque between axles |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial shaft loads |
| 2093209094 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309078 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures shaft to drive gear |
| 0730300820 | THRUST WASHER | Controls axial clearance |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel axles |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hub |
| 5838300811 | THRUST WASHER | Prevents gear end-play |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear in differential set |
Frequently Asked Questions
Q: Can the 2099.310.203 shaft be used in a WG180 transmission without modification?
A: Yes, but you must verify the differential housing alignment. The shaft is compatible with WG180 when paired with the correct DIFF.HOUSING and thrust washer set.
Q: What causes premature spline wear on this P.T.O. shaft?
A: Most failures stem from inadequate lubrication or misalignment of the TAPER ROLLER BEARING. Always replace the bearing and thrust washer simultaneously.
Q: Is this part interchangeable with the 2099.310.201 variant?
A: No. The 2099.310.203 has a longer spline engagement zone and different heat treatment. Using the wrong variant can damage the DIFFERENTIAL gear set.
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Phone: +86 158 2286 3467 |
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ZF 2099.310.203 P.T.O. SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 2099.310.203 P.T.O. 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 2099.310.203 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: P.T.O. 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 | 2099.310.203 |
|---|---|
| Normalized SKU | 2099310203 |
| Part name | P.T.O. SHAFT |
| Product category | shaft |
| Cross-reference support | Available for RFQ review |
| Weight | 1.589 |
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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