Overview
The ZF 4657.304.034 QUILL SHAFT is a precision-machined component engineered specifically for the WG 210 Series transmission. This quill shaft acts as a central torque-transfer spindle, aligning the clutch pack and turbine assembly within the gear train. As an OEM genuine part, the SKU 4657.304.034 ensures exact fitment and metallurgical integrity, preventing axial play and maintaining hydraulic pressure integrity. It sits directly within the main shaft housing, interfacing with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to create a sealed, rotating assembly.
Symptoms of Failure
When the 4657.304.034 quill shaft begins to wear, operators often report specific drivability issues. Look for these failure indicators:
- Delayed gear engagement or gear slipping under load: Worn splines on the quill shaft cause the clutch hub to lose positive engagement, resulting in hesitation when shifting from neutral to drive.
- Low transmission fluid pressure warnings: A scored or pitted quill shaft surface disrupts the sealing ring, allowing hydraulic fluid to bypass and triggering pressure loss codes.
- Metallic debris in the oil pan: Flaking or spalling from the hardened shaft surface contaminates the fluid, often visible as silver particles during routine service.
- Vibration or whining noise from the bell housing: Excessive radial clearance between the quill shaft and the HOUSING REAR PART generates audible harmonics during acceleration.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.304.034 |
| Overall Length | 285 mm (estimated) |
| Outer Diameter (Spline) | 38 mm |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 1.85 kg (approx.) |
| OEM Reference | ZF 4657.304.034 |
| Surface Finish | Ground and polished, 0.8 Ra |
Compatibility
This quill shaft is a direct-fit component for the ZF WG 210 Series transmission family. It is also compatible with the closely related WG 180, WG 200, and WG 250 models that share the same shaft bore geometry and spline count. Always verify the serial number of your transmission housing; the HOUSING REAR PART must match the quill shaft’s shoulder depth for correct preload.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101051 | TRANSMISSION HOUSING | Main structural casing that supports the quill shaft bearing journals |
| 4657201151 | HOUS.FRONT SECT | Front section housing that aligns the quill shaft input spline |
| 4657201103 | HOUSING REAR PART | Rear housing that provides the quill shaft thrust bearing seat |
| 4472239184 | HOUSING REAR PART | Alternate rear housing variant for WG210 series |
| 0631306816 | CYLINDRICAL PIN | Locating pin for quill shaft alignment during assembly |
| 0636100801 | CAP SCREW | Fastener securing the quill shaft retaining plate |
| 4656301148 | FIXING PLATE | Locking plate that prevents quill shaft rotation |
| 4657301032 | SCREEN SHEET | Filter screen protecting quill shaft oil passages |
| 4657301033 | SCREEN SHEET | Secondary fine-mesh screen for hydraulic circuit |
| 0636100803 | CAP SCREW | High-tensile bolt for housing-to-shaft clamp load |
Frequently Asked Questions
Q: Can I reuse the old quill shaft if it shows only minor wear?
A: No. The ZF 4657.304.034 is a hardened component; any visible scoring or pitting will accelerate wear on the mating clutch hub and seals. Always replace with a new OEM genuine part to avoid repeat failure.
Q: Does this quill shaft require special lubrication during installation?
A: Yes. Apply a thin film of ZF-approved assembly grease (part number 0636000001) to the splines and the sealing ring groove. This prevents galling during initial rotation and ensures proper hydraulic seal.
Q: How do I confirm that the 4657.304.034 fits my WG210 transmission?
A: Measure the inner diameter of your existing HOUS.FRONT SECT bearing bore. It must be 38.00 mm ±0.02 mm. Also verify that the rear housing matches the 4472239184 or 4657201103 part number for correct shoulder clearance.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
ZF 4657.304.034 QUILL SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.304.034 QUILL 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 4657.304.034 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657054126
- Documentation reference available for RFQ review
- Illustration section: AXLE DISCONNECTION
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 | 4657.304.034 |
|---|---|
| Normalized SKU | 4657304034 |
| Part name | QUILL 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.
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
