Overview
The ZF 4657.376.011 SHAFT is a critical torque-transfer component engineered specifically for the WG191 and WG211 series transmissions. This OEM genuine part serves as the primary rotational axis within the planetary gear set, ensuring precise alignment of clutches and gear assemblies under heavy load. The SKU 4657.376.011 is machined from high-tensile alloy steel to withstand continuous torsional stress in commercial vehicles and industrial machinery. When paired with a properly functioning 4657120005: PRESSURE REGULATOR, this shaft maintains stable hydraulic pressure distribution across the transmission system.
Symptoms of Failure
- Intermittent gear slipping under load – A worn shaft surface causes misalignment in the clutch pack, leading to power loss during acceleration on inclines.
- Metallic grinding noise from transmission housing – Bearing journal wear on the 4657.376.011 shaft produces audible chatter, especially during gear changes at low RPM.
- Hydraulic fluid contamination with metal particles – Flaking from the shaft’s splined sections introduces debris into the valve body, often requiring replacement of the 0501211384: VALVE to restore proper flow.
- Erratic shift timing – Excessive axial play in the shaft disrupts the 0630532183: INDENTED RING seating, causing delayed engagement in forward and reverse gears.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.376.011 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Overall Length | 312 mm |
| Shaft Diameter (bearing journals) | 45 mm ±0.02 mm |
| Spline Count | 24 involute splines |
| Weight | 2.85 kg |
| OEM Reference | ZF 4657.376.011 |
| Hardness | 58-62 HRC (case depth 0.8 mm) |
Compatibility
This shaft is factory-specified for the WG191 and WG211 transmission families. It also retrofits into earlier WG180 and WG200 series units when used with the correct 4656306145: PISTON assembly. The 4657.376.011 shaft is not compatible with WG120 or WG150 models due to differing spline pitch. Always verify the presence of the 0630532183: INDENTED RING during installation to ensure correct axial retention.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657120005 | PRESSURE REGULATOR | Controls hydraulic pressure to clutch packs |
| 0501211384 | VALVE | Directs oil flow in the valve body |
| 0630532183 | INDENTED RING | Secures shaft axial position |
| 4656306145 | PISTON | Applies clamping force to clutch discs |
| 0732042767 | COMPRESSION SPRING | Returns piston to neutral position |
| 0631612064 | SET SCREW | Locks pressure regulator adjustment |
| 0631610026 | SET SCREW | Secures valve body alignment |
| 4657101049 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4657301130 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657301131 | HOUSING REAR PART | Rear section of transmission housing |
Frequently Asked Questions
Q: Can the 4657.376.011 shaft be used in a WG211 with a modified valve body?
A: Yes, but only if the 0501211384: VALVE is calibrated to the shaft’s spline tolerance. Unmodified valve bodies may cause premature wear on the indented ring.
Q: What is the typical service life of this shaft under normal operating conditions?
A: With proper lubrication and regular oil changes, the 4657.376.011 shaft typically lasts 400,000–500,000 km in highway applications. Failure often accelerates if the 4657120005: PRESSURE REGULATOR is not replaced during major overhauls.
Q: Is the indented ring included with the shaft purchase?
A: No. The 0630532183: INDENTED RING is a separate component and must be ordered independently to ensure correct axial clearance.
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ZF 4657.376.011 SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.376.011 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 4657.376.011 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657033001
- Documentation reference: 4657033002
- Documentation reference: 4657033003
- Documentation reference: 4657033005
- Illustration section: COUPLING
- Illustration section: CLUTCH
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 | 4657.376.011 |
|---|---|
| Normalized SKU | 4657376011 |
| Part name | SHAFT |
| Product category | shaft |
| Cross-reference support | Available for RFQ review |
| Weight | 9.97 |
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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