Overview
The ZF 5838.300.619 FLANGE SHAFT is a critical torque-transfer component engineered for the WG100, WG130, and WG131 series transmissions. This OEM genuine part connects the output of the gearset to the driveline, ensuring precise rotational alignment and power delivery. As a key element within the final drive assembly, the flange shaft works in concert with the 5838109012: DIFFERENTIAL to distribute engine torque to the wheels. The SKU 5838.300.619 is machined from high-strength alloy steel to withstand extreme torsional loads and is a direct replacement for worn or damaged factory units.
Symptoms of Failure
- Transmission fluid seepage at the output flange: A worn flange shaft seal surface or cracked spline can cause oil to leak from the rear of the transmission, often noticed as drips under the vehicle after parking.
- Vibration during acceleration or deceleration: When the flange shaft splines wear or the shaft becomes bent, it creates an imbalance that transmits noticeable driveline shudder through the chassis at specific RPM ranges.
- Clunking noise when shifting between forward and reverse: Excessive play between the flange shaft and the mating 2093209023: DIFFERENTIAL gear produces a metallic knock that worsens over time.
- Premature bearing wear in the output housing: A failing flange shaft can transfer abnormal loads to the 0750117075: TAPER ROLLER BEARING, leading to rough rotation and eventual housing damage.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 5838.300.619 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 185 mm (estimated) |
| Spline Diameter | 42 mm (output side) |
| Flange Diameter | 120 mm |
| Weight | 2.8 kg (approx.) |
| OEM Reference | ZF 5838.300.619 |
| Seal Surface Hardness | HRC 58-62 |
Compatibility
This flange shaft is specifically designed for ZF WG100, WG130, and WG131 series transmissions. It is also compatible with select WG180 and WG200 variants that share the same output flange pattern and spline count. Always verify the spline engagement with the 5838300626: DIFFERENTIAL HOUSING before installation. The part is not backward-compatible with older WG80 or WG90 models without adapter modifications.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between output shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on the shaft |
| 2093209023 | DIFFERENTIAL | Secondary torque-splitting unit for heavy loads |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and aligns differential gears |
| 0631329088 | SPRING PIN | Secures flange shaft to differential carrier |
| 5838300811 | THRUST WASHER | Controls axial clearance in the differential |
| 5838300721 | AXLE BEVEL GEAR | Transfers power to the axle shafts |
| 5838300633 | AXLE | Connects differential to wheel hubs |
| 5838300753 | THRUST WASHER | Reduces friction on bevel gear faces |
| 5838300818 | THRUST WASHER | Adjusts differential side gear play |
Frequently Asked Questions
Q: How do I know if the 5838.300.619 flange shaft is compatible with my WG130 transmission?
A: Check the spline count on your existing flange shaft. The 5838.300.619 uses a 16-spline output pattern. If your unit has 14 splines, you will need the corresponding differential housing and 5838300626: DIFFERENTIAL HOUSING to match.
Q: Can I replace just the flange shaft without removing the transmission?
A: In most cases, yes. The flange shaft is accessible after removing the driveshaft and output flange nut. However, if the 0750117075: TAPER ROLLER BEARING shows signs of damage, the transmission must be partially disassembled to replace both components.
Q: What torque specification should I use for the flange nut?
A: ZF recommends tightening the output flange nut to 450 Nm (332 ft-lbs) for the WG100 series. Always use a new spring pin (0631329088: SPRING PIN) to lock the nut after torquing.
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ZF 5838.300.619 FLANGE SHAFT – Shaft RFQ Support
PartsZF supports RFQ preparation for ZF 5838.300.619 FLANGE SHAFT where shaft identification and documentation review are required before ordering.
Part-Number Summary
Use ZF number 5838.300.619 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 | 5838.300.619 |
|---|---|
| Normalized SKU | 5838300619 |
| Part name | FLANGE 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
