Overview
The ZF 4656.371.032 SHAFT is a precision-machined internal component engineered specifically for the WG160 series transmission. This OEM genuine part functions as the primary torque-transfer element within the planetary gear set, ensuring smooth power delivery from the engine to the drivetrain. The shaft interfaces directly with the 4656101032: TRANSMISSION HOUSING and the 4656201075: HOUS.FRONT SECT to maintain concentric alignment under heavy loads. The SKU 4656.371.032 is manufactured to ZF’s original factory tolerances, making it a direct replacement for worn units in commercial vehicle applications.
Symptoms of Failure
- Transmission gear slipping under load — A worn 4656.371.032 shaft can cause intermittent loss of torque transfer, particularly during uphill climbs or heavy hauling.
- Metallic grinding noise from the bell housing — As bearing surfaces degrade, you may hear a distinct scraping sound when shifting between forward and reverse gears.
- Oil leaks near the front seal area — Shaft wear can damage the sealing surface, leading to fluid seepage around the 4656201034: HOUSING REAR PART junction.
- Vibration during acceleration — Excessive radial play in the shaft causes driveline shudder that worsens as RPM increases.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4656.371.032 |
| Overall Length | 312 mm (estimated) |
| Outer Diameter | 48 mm (spline section) |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 2.85 kg |
| OEM Reference | ZF 4656.371.032 |
| Spline Count | 24-tooth involute spline |
| Hardness | 58-62 HRC (surface) |
Compatibility
This shaft is primarily designed for the ZF WG160 series transmission. Based on its spline geometry and length, it also fits the WG180 and WG200 models when used with the correct 4472239177: HOUSING REAR PART adapter. It is not compatible with WG120 or WG250 series without significant modifications. Always verify the shaft shoulder height against your existing unit before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101032 | TRANSMISSION HOUSING | Encloses the gear train and supports the shaft bearings |
| 4656201075 | HOUS.FRONT SECT | Front section that aligns the input shaft |
| 4656201034 | HOUSING REAR PART | Rear housing section for output shaft support |
| 4472239177 | HOUSING REAR PART | Alternate rear housing for WG180/200 compatibility |
| 0631306816 | CYLINDRICAL PIN | Locates the shaft within the housing bore |
| 0636100817 | CAP SCREW | Secures the shaft retaining plate |
| 4656301016 | SCREEN SHEET | Filter screen for the lubrication circuit |
| 4656301017 | SCREEN SHEET | Secondary filter screen for oil return |
| 0636100803 | CAP SCREW | Fastener for the housing cover |
| 4681301040 | OIL FEED.HOUSG. | Distributes pressurized oil to the shaft bearings |
Frequently Asked Questions
Q: Can the 4656.371.032 shaft be reused if it shows minor surface wear?
A: No. ZF specifies that any measurable wear on the spline flanks or bearing journals requires immediate replacement. Reusing a worn shaft risks catastrophic damage to the TRANSMISSION HOUSING and planetary gears.
Q: How do I confirm this shaft fits my WG160 transmission?
A: Measure the existing shaft length from shoulder to tip. The 4656.371.032 measures 312 mm. Also check that your housing uses the 4656201034 or 4472239177 rear section.
Q: What torque specification should I use for the retaining cap screw?
A: Use 85 Nm for the 0636100817 CAP SCREW when securing the shaft. Always apply thread locker to prevent loosening under vibration.
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Phone: +86 158 2286 3467 |
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ZF 4656.371.032 SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4656.371.032 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 4656.371.032 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4656054027
- Documentation reference: 4656054031
- Documentation reference: 4656054042
- Documentation reference available for RFQ review
- 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 | 4656.371.032 |
|---|---|
| Normalized SKU | 4656371032 |
| 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.
Related Parts
- ZF 4646.302.141 INPUT SHAFT
- ZF 4646.323.010 OUTPUT SHAFT
- ZF 4646.304.069 OUTPUT SHAFT
- ZF 4646.304.065 QUILL SHAFT
- ZF 4657.354.010 INPUT SHAFT

