Overview
The ZF 4657.303.045 OUTPUT SHAFT is a critical driveline component engineered specifically for the WG190 and WG210 series transmissions. This OEM genuine part serves as the final rotational interface between the transmission and the downstream driveline, transferring torque from the planetary gear set to the output flange. Positioned at the rear of the transmission assembly, the output shaft must withstand high torsional loads and maintain precise concentricity. The SKU 4657.303.045 is manufactured to ZF’s exacting tolerances, ensuring a direct fit and long service life when paired with the correct TRANSMISSION HOUSING and supporting components.
Symptoms of Failure
- Output flange oil seepage: A worn output shaft seal surface or shaft wear causes transmission fluid to leak from the rear seal area, often visible as drips near the driveline connection.
- Driveline vibration under load: Excessive spline wear or shaft runout produces a low-frequency vibration that intensifies during acceleration, particularly in WG210 applications.
- Intermittent gear engagement noise: As the output shaft bearing journal degrades, you may hear a rhythmic clicking or grinding sound from the rear of the transmission during gear changes.
- Premature bearing failure: A bent or fatigued output shaft accelerates wear on the rear support bearing, leading to metal debris in the oil pan and eventual transmission seizure.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4657.303.045 |
| Overall Length | 385 mm (estimated) |
| Shaft Diameter (bearing journal) | 45 mm |
| Spline Count | 24 involute splines |
| Material | Case-hardened alloy steel (16MnCr5 equivalent) |
| Weight | 3.2 kg (7.0 lbs) |
| OEM Reference | ZF 4657.303.045 |
| Surface Hardness | 58-62 HRC |
Compatibility
This output shaft is designed for ZF’s WG-series industrial transmissions. It is a direct replacement for units in the WG190 and WG210 series. Based on shaft geometry and spline pitch, it may also be compatible with the WG180 and WG200 series when used with the correct HOUS.FRONT SECT and HOUSING REAR PART. Always verify the output flange bolt pattern and pilot diameter against your specific transmission model. For WG210 applications, the shaft interfaces with the HOUSING REAR SECTION to ensure proper alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing that encloses the gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft support |
| 4657201170 | HOUSING REAR PART | Rear housing segment that supports the output shaft |
| 4657298102 | HOUSING REAR SECTION | Extended rear housing for WG210 output bearing |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing doweling |
| 0636100801 | CAP SCREW | M10 fastener for housing assembly |
| 4656301148 | FIXING PLATE | Locking plate for output shaft nut retention |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil pump intake |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for return line |
| 0636100803 | CAP SCREW | M12 fastener for rear housing section |
Frequently Asked Questions
Q: Can the 4657.303.045 output shaft be used in a WG180 transmission?
A: Yes, it is mechanically compatible with WG180 series transmissions provided the rear housing section is also updated. We recommend cross-referencing the spline engagement depth and pilot bore diameter before installation.
Q: What torque specification should I use for the output shaft nut?
A: ZF specifies a tightening torque of 450 Nm (332 ft-lbs) for the output shaft retaining nut. Always use a new FIXING PLATE to lock the nut after torquing.
Q: How do I identify a genuine ZF 4657.303.045 shaft versus an aftermarket copy?
A: Genuine shafts have a laser-etched ZF logo and part number on the flange face. The spline root diameter should measure exactly 38.10 mm on a genuine part. Counterfeit shafts often exhibit softer case hardness and undersized splines.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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ZF 4657.303.045 OUTPUT SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.303.045 OUTPUT 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 4657.303.045 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657023101
- Documentation reference: 4657023102
- Documentation reference: 4657053103
- Documentation reference: 4657054188
- 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 | 4657.303.045 |
|---|---|
| Normalized SKU | 4657303045 |
| Part name | OUTPUT 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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