Overview
The ZF 4657.302.006 Turbine Shaft is a critical rotating component engineered specifically for the WG160 series and its heavy-duty transmission variants. Positioned within the torque converter assembly, this OEM genuine part transfers rotational energy from the turbine wheel to the planetary gearset, enabling smooth power delivery under high-load conditions. The SKU 4657.302.006 is precision-machined to exacting ZF tolerances, ensuring concentricity and minimal vibration during operation. This shaft interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, forming the core of the torque path in ZF off-highway transmissions.
Symptoms of Failure
- Torque converter shudder or vibration – A worn turbine shaft spline or bearing journal causes irregular engagement, felt as a persistent shudder during acceleration or under load.
- Delayed or harsh shifting – When the shaft loses its surface hardness, it can cause erratic hydraulic pressure signals, leading to harsh gear engagements or delayed upshifts.
- Metallic debris in transmission fluid – Flaking or pitting on the shaft surface introduces fine metal particles into the oil, often visible during routine fluid changes.
- Oil leaks near the bell housing – A scored or worn seal surface on the turbine shaft allows transmission fluid to escape, leaving visible drips at the engine-transmission junction.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 4657.302.006 |
| Overall Length | 385 mm (estimated) |
| Major Diameter | 45 mm (spline end) |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 3.2 kg (approx.) |
| OEM Reference | ZF 4657.302.006 |
| Surface Treatment | Black oxide / phosphate coating |
Compatibility
This turbine shaft is designed for the ZF WG160 series and is also compatible with the WG190, WG210, and WG230 transmission families. It fits all standard torque converter configurations within these series, including models with integrated retarders. The shaft interfaces with the HOUSING REAR PART and the HOUSING REAR PART (alternate variant), ensuring proper alignment with the output gear train. Always verify spline count and pilot diameter against your specific transmission serial number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101037 | TRANSMISSION HOUSING | Encloses the gear train and supports the turbine shaft bearing |
| 4656201075 | HOUS.FRONT SECT | Front section housing that aligns the torque converter assembly |
| 4656201035 | HOUSING REAR PART | Rear housing section providing support for output shaft bearings |
| 4472239178 | HOUSING REAR PART | Alternate rear housing variant for specific WG series models |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise housing-to-shaft positioning |
| 4656301148 | FIXING PLATE | Secures the turbine shaft axial position within the housing |
| 0636100817 | CAP SCREW | Fastener for fixing plate attachment to the shaft |
| 4656301016 | SCREEN SHEET | Filter screen for torque converter oil circuit (variant 1) |
| 4656301017 | SCREEN SHEET | Filter screen for torque converter oil circuit (variant 2) |
| 0636100803 | CAP SCREW | Alternate cap screw for housing-to-shaft fastening |
Frequently Asked Questions
Q: Can the ZF 4657.302.006 turbine shaft be used in a WG210 transmission?
A: Yes, this shaft is compatible with WG210 series transmissions, provided the torque converter housing matches the spline dimensions. Always cross-reference your transmission model number with the OEM parts catalog before ordering.
Q: What causes premature wear on this turbine shaft?
A: Common causes include contaminated transmission fluid (abrasive particles), prolonged operation at low oil levels, or misalignment between the engine crankshaft and transmission input. Regular fluid analysis can help detect early wear indicators.
Q: Is the 4657.302.006 shaft supplied with a seal or bearing?
A: No, this part is the bare turbine shaft only. You will need to order the appropriate seal and bearing separately. We recommend replacing the shaft seal and the CYLINDRICAL PIN simultaneously for optimal reliability.
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Phone: +86 158 2286 3467 |
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ZF 4657.302.006 TURBINE SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.302.006 TURBINE 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 4657.302.006 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: 4657024110
- Documentation reference: 4657054061
- Documentation reference: 4657054086
- Illustration section: INPUT
Cross Reference Support
- Cross-reference record available for RFQ review.
Specification Snapshot
| ZF part number | 4657.302.006 |
|---|---|
| Normalized SKU | 4657302006 |
| Part name | TURBINE 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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