Overview
The ZF 4657.371.039 SHAFT is a precision-machined internal component engineered for the WG190, WG191, WG210, and WG211 transmission series. This genuine OEM part transmits rotational torque between gear sets within the main drive assembly, ensuring synchronized power flow under heavy-duty industrial loads. The SKU 4657.371.039 interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, forming a critical load-bearing junction that maintains gear alignment and axial stability during operation.
Symptoms of Failure
- Audible gear whine or grinding noise – Worn shaft splines or bearing journals cause uneven gear meshing, producing a high-pitched whine that intensifies under load.
- Intermittent gear slipping under torque – A fatigued shaft surface reduces friction grip on mating components, leading to momentary power loss during acceleration or hill climbs.
- Oil seepage at housing joints – Shaft misalignment stresses the HOUSING REAR PART seal surface, causing gradual fluid leaks around the output flange.
- Vibration through the shift lever – Excessive radial play in the shaft bearing seat transmits harmonic vibrations into the transmission casing, felt distinctly during gear changes.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.371.039 |
| Overall Length | 312 mm |
| Shaft Diameter (bearing journal) | 45 mm |
| Spline Count | 22 involute splines |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 2.85 kg |
| OEM Reference | ZF 4657.371.039 |
| Surface Treatment | Black oxide + phosphate coating |
Compatibility
This shaft is directly compatible with ZF WG190, WG191, WG210, and WG211 series transmissions. It also fits select WG180 and WG200 variants where the main shaft length and spline geometry match. Always verify the CYLINDRICAL PIN alignment before installation, as improper pin seating can cause premature shaft wear.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Encloses gear sets and supports shaft bearings |
| 4657201027 | HOUS.FRONT SECT | Front section housing for input shaft alignment |
| 4657201012 | HOUSING REAR PART | Rear housing section with output seal bore |
| 0631306792 | CYLINDRICAL PIN | Locating pin for shaft-to-housing alignment |
| 0636100801 | CAP SCREW | M10 fastener for housing flange retention |
| 4656301148 | FIXING PLATE | Locks shaft axial position within housing |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil return circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump pickup |
| 0636100803 | CAP SCREW | M12 fastener for bearing cap retention |
| 4681301040 | OIL FEED.HOUSG. | Directs pressurized oil to shaft lubrication ports |
Frequently Asked Questions
Q: Can the 4657.371.039 shaft be used in a WG180 transmission?
A: Yes, the shaft is compatible with WG180 models that share the same 22-spline pattern and 312 mm overall length. However, you must also replace the FIXING PLATE and CYLINDRICAL PIN to ensure correct axial play tolerances.
Q: What torque specification should I use for the shaft retaining nut?
A: ZF specifies 180 N·m for the main shaft nut when using a new CAP SCREW. Always apply thread locker (Loctite 243) and allow 24 hours cure time before fluid fill.
Q: How do I identify shaft wear without disassembly?
A: Measure end float at the output flange using a dial indicator. Acceptable axial play is 0.05–0.15 mm. Readings above 0.25 mm indicate worn shaft shoulders or bearing surfaces, requiring immediate replacement of the shaft and HOUSING REAR PART seal.
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ZF 4657.371.039 SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.371.039 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 4657.371.039 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657023003
- Documentation reference: 4657023101
- Documentation reference: 4657023102
- Documentation reference: 4657024145
- Illustration section: CLUTCH
- Illustration section: COUPLING
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 | 4657.371.039 |
|---|---|
| Normalized SKU | 4657371039 |
| Part name | SHAFT |
| Product category | shaft |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: diagram. 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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