Overview
The ZF 5838.300.799 P.T.O. Shaft is a critical power take-off component engineered specifically for the WG100, WG130, and WG131 transmission series. This OEM genuine part transmits rotational energy from the transmission’s internal gearing to auxiliary hydraulic pumps or driven equipment, ensuring seamless power distribution in heavy-duty industrial applications. As a precision-machined shaft, the SKU 5838.300.799 interfaces directly with the differential assembly and bearing clusters, making it indispensable for maintaining driveline integrity. When paired with a 2093109006: DIFFERENTIAL or a 0750117075: TAPER ROLLER BEARING, this shaft ensures optimal load distribution and minimal parasitic loss.
Symptoms of Failure
When the ZF 5838.300.799 P.T.O. Shaft begins to wear, operators often notice intermittent power loss to auxiliary equipment during high-torque demands—a classic sign of spline degradation. Another common failure symptom is persistent gear whine or grinding noises emanating from the transmission housing, particularly when engaging the PTO. Oil seepage around the shaft seal area frequently accompanies worn bearing surfaces, leading to gradual lubricant loss. Finally, vibration under load that intensifies with RPM indicates excessive play between the shaft and its mating 2093209095: DIFFERENTIAL components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 5838.300.799 |
| Overall Length (estimated) | 285 mm |
| Shaft Diameter (bearing journal) | 35 mm |
| Spline Count | 14-tooth involute |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 1.85 kg |
| OEM Reference | ZF 5838.300.799 |
| Surface Treatment | Black oxide + phosphate coating |
Compatibility
This OEM genuine P.T.O. shaft is designed for ZF WG-series transmissions, with confirmed fitment in the WG100, WG130, and WG131 models. It also shares mounting interfaces with the WG180 and WG200 series when used in conjunction with the correct 2093309071: DIFF.HOUSING. Always verify your transmission’s serial number before ordering, as minor variations exist between early and late production units. The shaft is not compatible with WG50 or WG250 variants without additional adapter components.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109006 | DIFFERENTIAL | Distributes torque between drive wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial shaft loads |
| 2093209095 | DIFFERENTIAL | Secondary differential for planetary gears |
| 2093309071 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures shaft alignment during assembly |
| 0730300820 | THRUST WASHER | Controls axial end-play of shaft |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to final drive axle |
| 2097309085 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Reduces friction on shaft shoulder |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Meshes with axle bevel gear |
Frequently Asked Questions
Q: Can the 5838.300.799 shaft be used as a direct replacement for the 5838.300.798?
A: No. While both shafts share the same spline pitch, the 5838.300.799 has a 3 mm longer bearing journal and a different oil groove pattern. Always match the exact SKU to avoid premature bearing failure.
Q: What torque specification should I use when installing the retaining nut on this P.T.O. shaft?
A: ZF recommends a tightening torque of 180 N·m (133 ft·lb) for the M20x1.5 retaining nut. Apply medium-strength thread locker (Loctite 243) and always replace the 0631100223: SPRING PIN during reassembly.
Q: How can I tell if my WG130 transmission needs a new P.T.O. shaft versus just a bearing replacement?
A: Inspect the shaft splines for visible wear or “step” patterns. If the splines show more than 0.5 mm of wear depth, replace the shaft. If only the bearing surface is scored, a new 0750117075: TAPER ROLLER BEARING may suffice—but always check both components together.
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ZF 5838.300.799 P.T.O. SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 5838.300.799 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 5838.300.799 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
- Illustration section: KIT 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 | 5838.300.799 |
|---|---|
| Normalized SKU | 5838300799 |
| Part name | P.T.O. SHAFT |
| Product category | shaft |
| Cross-reference support | Available for RFQ review |
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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