Overview
The ZF 5838.300.403 P.T.O. Shaft is a critical power take-off component engineered for the WG100, WG130, and WG131 transmission series. This OEM genuine part transfers rotational energy from the transmission gear train to auxiliary hydraulic pumps or driven equipment, ensuring reliable torque delivery in demanding industrial applications. Positioned within the gearbox housing, the SKU 5838.300.403 interfaces directly with the differential assembly and bearing supports to maintain driveline integrity. When paired with a 2093109003: DIFFERENTIAL, this shaft ensures seamless power distribution for heavy-duty machinery.
Symptoms of Failure
- Audible grinding or whining noise during PTO engagement: Worn splines or bearing surfaces on the 5838.300.403 shaft cause metal-on-metal contact, producing distinct sounds that escalate with load.
- Intermittent power loss to auxiliary equipment: A fatigued shaft can slip under torque, leading to erratic hydraulic pump operation or complete disengagement during operation.
- Visible oil seepage near the PTO housing: Degraded shaft seals or surface scoring allow transmission fluid to escape, often accompanied by a burnt smell from overheating lubricant.
- Vibration through the driveline at idle: An imbalanced or bent P.T.O. shaft transmits harmonic tremors through the transmission case, indicating imminent failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 5838.300.403 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 285 mm (estimated) |
| Spline Diameter | 32 mm (10-tooth involute spline) |
| Weight | 1.85 kg (4.08 lbs) |
| OEM Reference | ZF 5838.300.403 |
| Surface Treatment | Phosphate coating for corrosion resistance |
Compatibility
This P.T.O. shaft is specifically designed for ZF WG-series transmissions, including the WG100, WG130, and WG131 models. It also fits select WG180 and WG200 variants when used with the correct 0750117075: TAPER ROLLER BEARING and 2093209096: DIFFERENTIAL assembly. For WG131 applications, verify housing clearance with the 2093309073: DIFF.HOUSING to ensure proper alignment. Always cross-reference your transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109003 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial shaft loads |
| 2093209096 | DIFFERENTIAL | Secondary torque split for multi-axle systems |
| 2093309073 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures shaft alignment within housing |
| 0730300820 | THRUST WASHER | Controls axial play in gear stack |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Reduces friction on shaft shoulder |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Provides final gear reduction |
Frequently Asked Questions
Q: Can the 5838.300.403 shaft be used in a WG180 transmission without modification?
A: While physically compatible, the WG180 requires a specific taper roller bearing (part 0750117075) and differential housing (2093309073) to maintain proper shaft end-play. Always verify spline engagement depth before installation.
Q: What causes premature wear on this P.T.O. shaft?
A: Contaminated transmission fluid and misaligned differential assemblies (such as the 2093109003) are primary failure drivers. Regular inspection of the thrust washer (0730300820) and spring pin (0631100223) can extend service life.
Q: Does this part include the necessary seals and bearings?
A: No. The 5838.300.403 is supplied as a standalone shaft. You must order the taper roller bearing (0750117075) and differential axle (2097309085) separately for a complete rebuild.
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ZF 5838.300.403 P.T.O. SHAFT – Shaft RFQ Support
For ZF 5838.300.403 P.T.O. SHAFT, send the part number, removed-part photos, and application context so PartsZF can prepare a focused sourcing response.
Part-Number Summary
Use ZF number 5838.300.403 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 | 5838.300.403 |
|---|---|
| Normalized SKU | 5838300403 |
| Part name | P.T.O. 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 4642.303.002 OUTPUT SHAFT
- ZF 2093.110.011 P.T.O. SHAFT
- ZF 5838.300.106 INPUT SHAFT
