Overview
Within the intricate architecture of ZF’s WG 190 and WG 210 series transmissions, the ZF 4657.374.041 SHAFT serves as a critical torque-transfer component. This OEM genuine part is precisely machined to interface with the planetary gear sets, ensuring synchronized power delivery from the input to the output shaft. The SKU 4657.374.041 is engineered to maintain axial alignment and rotational stability under high-load conditions. It is housed within the main transmission casing, working in concert with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to create a sealed, lubricated environment for the rotating assembly.
Symptoms of Failure
When the 4657.374.041 shaft begins to degrade, operators will notice distinct operational anomalies. Transmission gear slipping under load is a primary indicator, as worn splines or bearing surfaces fail to maintain positive engagement. Another common failure symptom is persistent oil seepage from the bell housing area, caused by a compromised seal surface on the shaft. You may also detect a rhythmic, metallic knocking noise during deceleration, which points to excessive radial play in the shaft’s support bearings. Finally, erratic shift timing and harsh engagement can occur when the shaft’s surface finish degrades, disrupting hydraulic pressure signals within the valve body.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 4657.374.041 |
| Material | Case-Hardened Alloy Steel (20MnCr5) |
| Overall Length | 312 mm (approx.) |
| Outer Diameter (Bearing Journal) | 45 mm |
| Spline Count | 24 (Involute) |
| Weight | 2.85 kg |
| OEM Reference | ZF 4657.374.041 |
| Surface Treatment | Nitrided & Ground |
Compatibility
This shaft is a direct-fit component for the ZF WG 190 Series and ZF WG 210 Series transmissions. It is also compatible with the WG 180 and WG 200 variants where the same planetary carrier design is used. The part integrates seamlessly with the HOUSING REAR PART and is secured using a CYLINDRICAL PIN for precise alignment. For complete rebuilds, verify that your application uses the correct CAP SCREW torque specifications.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing the input shaft |
| 4657201012 | HOUSING REAR PART | Rear section supporting output bearings |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing halves |
| 0636100801 | CAP SCREW | Fastener for housing flanges |
| 4656301148 | FIXING PLATE | Locks shaft axial position |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | Bolt for bearing retainer |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel housing |
Frequently Asked Questions
Q: Can the 4657.374.041 shaft be used in a ZF WG 200 transmission?
A: Yes, this shaft is dimensionally identical for both the WG 190 and WG 200 series. However, always inspect the bearing journals for wear before installation, as the WG 200 may have different load tolerances.
Q: What is the recommended torque for the retaining nut on this shaft?
A: The factory specification for the shaft retaining nut is 180 Nm ± 10 Nm. Always use a new CAP SCREW and apply thread-locking compound to prevent loosening.
Q: How do I identify if the shaft splines are worn?
A: Look for a polished or “galled” appearance on the spline flanks. If you can rock the mating gear by hand with more than 0.5 mm of play, the shaft requires replacement. A worn shaft will also cause metallic debris in the SCREEN SHEET.
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ZF 4657.374.041 SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.374.041 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 4657.374.041 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024014
- Documentation reference: 4657024017
- Documentation reference: 4657024019
- Documentation reference: 4657024021
- 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 | 4657.374.041 |
|---|---|
| Normalized SKU | 4657374041 |
| 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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- ZF 4646.303.100 INPUT SHAFT
- ZF 4657.303.043 OUTPUT SHAFT
