Overview
The ZF 4657.371.048 SHAFT is a critical rotating component engineered for the WG190 and WG210 series transmissions. This OEM genuine part transmits torque from the input section to the planetary gear sets, ensuring smooth power flow under heavy-duty industrial loads. Positioned within the main shaft assembly, the 4657.371.048 interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, making it a linchpin for driveline integrity. The SKU 4657.371.048 is precision-machined to ZF factory tolerances, guaranteeing a direct fit without modification.
Symptoms of Failure
When the 4657.371.048 shaft begins to degrade, operators may notice these specific failure indicators:
- Transmission gear slipping under load – Worn splines or surface pitting cause intermittent torque loss, especially during uphill or high-torque maneuvers.
- Oil leaks near the shaft seal area – Grooves or scoring on the shaft surface damage the seal lip, leading to gradual fluid loss and potential contamination.
- Vibration or whining noise from the transmission center – Bearing journal wear creates radial play, producing audible noise that increases with RPM.
- Hard shifting or delayed engagement – Excessive axial play from shaft wear disrupts clutch pack alignment, causing sluggish gear changes.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.371.048 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 385 mm (estimated) |
| Outer Diameter (bearing journal) | 45 mm |
| Spline Pitch Diameter | 32 mm (30-tooth involute) |
| Weight | 3.2 kg (approx.) |
| OEM Reference | ZF 4657.371.048 |
| Surface Treatment | Black oxide + phosphate coating |
Compatibility
This shaft is designed for the WG190 and WG210 series transmissions. Based on its spline pattern and bearing journal dimensions, it is also compatible with the WG180 and WG200 models produced after 2005. The 4657.371.048 works in conjunction with the HOUSING REAR PART and the HOUSING REAR SECTION to complete the rotating assembly. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101088 | TRANSMISSION HOUSING | Encloses and supports the shaft assembly |
| 4657201183 | HOUS.FRONT SECT | Front housing section aligning input shaft |
| 4657201184 | HOUSING REAR PART | Rear housing section for output bearing support |
| 4657298111 | HOUSING REAR SECTION | Additional rear housing segment for extended models |
| 0631306816 | CYLINDRICAL PIN | Locates and aligns housing halves |
| 0636100801 | CAP SCREW | Secures housing to transmission case |
| 4681301015 | FIXING PLATE | Retains shaft bearing in position |
| 4681301016 | SCREEN SHEET | Filter screen for oil return circuit |
| 4681301017 | SCREEN SHEET | Secondary filter screen for high-pressure circuit |
| 0636100803 | CAP SCREW | Fastener for screen sheet mounting |
Frequently Asked Questions
Q: Can the 4657.371.048 shaft be used in a WG210 with a different rear housing?
A: Yes, but you must verify that the HOUSING REAR SECTION matches the shaft’s bearing journal depth. Mismatched housings can cause axial preload issues.
Q: How do I know if my shaft has excessive wear?
A: Measure the spline tooth thickness at three points. If any measurement is below 4.2 mm (for a 30-tooth spline), replacement is required. Also check for discoloration near the seal journal.
Q: Is this part interchangeable with aftermarket shafts?
A: Only OEM genuine ZF shafts (like this 4657.371.048) are case-hardened to the correct depth. Aftermarket shafts often fail prematurely due to improper heat treatment.
📞 Need this part? Contact our ZF specialists:
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Phone: +86 158 2286 3467 |
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ZF 4657.371.048 SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.371.048 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 4657.371.048 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024601
- Documentation reference: 4657024608
- Documentation reference: 4657054601
- Documentation reference: 4657054602
- 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 | 4657.371.048 |
|---|---|
| Normalized SKU | 4657371048 |
| Part name | 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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- ZF 4646.323.010 OUTPUT SHAFT
- ZF 4646.304.069 OUTPUT SHAFT
- ZF 4646.304.065 QUILL SHAFT
- ZF 4657.354.010 INPUT SHAFT
