Overview
The ZF 4657.303.043 OUTPUT SHAFT is a critical torque-transfer component engineered for the WG190, WG210, and WG230 series transmissions. This OEM genuine part transmits rotational force from the planetary gear set to the driveline flange, ensuring smooth power delivery under heavy industrial loads. The SKU 4657.303.043 is precision-machined to interface directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, forming the backbone of the output assembly. Its splined geometry and hardened bearing journals maintain concentric alignment, preventing vibration and premature wear in the drivetrain.
Symptoms of Failure
- Output flange oil seepage: A worn 4657.303.043 shaft often degrades the sealing surface, causing transmission fluid to leak past the output seal. This manifests as visible drips near the rear of the gearbox.
- Driveline shudder under load: When the output shaft splines or bearing journals wear, you may feel a pronounced vibration or shudder during acceleration, particularly in WG190 and WG210 applications.
- Erratic gear engagement: Excessive axial play in the output shaft can cause the HOUSING REAR PART to misalign, leading to delayed or harsh shifting between forward gears.
- Metallic debris in oil pan: Flaking from a fatigued output shaft bearing race introduces ferrous particles into the transmission fluid, often visible during routine oil changes.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.303.043 |
| Overall Length | 385 mm |
| Shaft Diameter (bearing journal) | 55 mm |
| Spline Count | 24-tooth involute |
| Material | Case-hardened 20MnCr5 steel |
| Weight | 4.2 kg |
| OEM Reference | ZF 4657.303.043 |
Compatibility
This output shaft is designed for ZF WG-series powershift transmissions. It is a direct fit for the WG180, WG190, WG200, WG210, and WG230 models. The 4657.303.043 also integrates with the CYLINDRICAL PIN that indexes the shaft to the planetary carrier, ensuring precise rotational alignment across all listed series.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Encloses gear train and supports output shaft bearings |
| 4657201027 | HOUS.FRONT SECT | Front section housing for clutch and pump drive |
| 4657201012 | HOUSING REAR PART | Rear housing that aligns output shaft and seal |
| 0631306792 | CYLINDRICAL PIN | Locates output shaft to planetary carrier |
| 0636100801 | CAP SCREW | Secures bearing retainer to housing |
| 4656301148 | FIXING PLATE | Locks output shaft nut in position |
| 4657301032 | SCREEN SHEET | Filter screen for oil return circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen for high-flow passages |
| 0636100803 | CAP SCREW | Fastener for output flange retention |
| 4681301040 | OIL FEED.HOUSG. | Distributes lubricating oil to output shaft bearings |
Frequently Asked Questions
Q: Can the 4657.303.043 output shaft be used in a WG180 transmission?
A: Yes, this shaft is fully compatible with WG180, WG190, WG200, WG210, and WG230 models. The spline dimensions and bearing journal diameters are identical across these series.
Q: What torque specification is required for the output shaft nut?
A: The retaining nut should be torqued to 450 Nm ± 20 Nm. Always use a new FIXING PLATE to lock the nut after final torque.
Q: How do I verify if my output shaft is worn without removing the transmission?
A: Check for radial play by prying the output flange with a lever bar. Any movement exceeding 0.15 mm indicates bearing journal wear, necessitating replacement of the 4657.303.043 shaft.
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ZF 4657.303.043 OUTPUT SHAFT – Shaft RFQ Support
PartsZF helps B2B buyers source ZF 4657.303.043 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 4657.303.043 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: 4657024048
- Documentation reference: 4657024112
- Documentation reference: 4657024166
- Illustration section: OUTPUT
Cross Reference Support
- Cross-reference record available for RFQ review.
Specification Snapshot
| ZF part number | 4657.303.043 |
|---|---|
| Normalized SKU | 4657303043 |
| 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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