Overview
The ZF 4657.103.010 OUTPUT for WG190 is a critical drivetrain component engineered to transfer rotational force from the transmission’s planetary gear set to the output flange. Positioned at the rear of the gearbox housing, this OEM genuine part ensures precise torque delivery and alignment within the WG 190, WG 210, and WG 230 series. The SKU 4657.103.010 is manufactured to ZF’s exacting tolerances, guaranteeing seamless integration with the TRANSMISSION HOUSING and the HOUS.FRONT SECT. When paired with the HOUSING REAR PART, this output assembly maintains structural rigidity under high-torque loads.
Symptoms of Failure
- Oil seepage at the rear seal: A worn 4657.103.010 output shaft can compromise the seal surface, leading to visible transmission fluid leaks near the output flange.
- Gear slipping under load: Degraded splines on the output component cause intermittent power loss, especially during acceleration or hill climbs.
- Vibration or driveline shudder: Excessive play in the output bearing results in noticeable low-frequency vibrations that intensify with speed.
- Metallic debris in the oil pan: Flaking material from a fatigued output shaft contaminates the lubricant, often accompanied by grinding noises during shifts.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.103.010 |
| Material | Case-hardened alloy steel (16MnCr5) |
| Overall Length | 185 mm (estimated) |
| Outer Diameter | 72 mm (estimated) |
| Spline Count | 24 involute splines |
| Weight | 2.4 kg (5.3 lbs) |
| OEM Reference | ZF 4657.103.010 |
| Hardness | 58–62 HRC |
Compatibility
This output shaft is designed for ZF WG-series powershift transmissions. It is a direct fit for the WG 190, WG 210, and WG 230 models. Additionally, it is compatible with the WG 180 and WG 200 series when used with the correct CYLINDRICAL PIN for alignment. Always verify the output flange pattern before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Encloses the gear train and supports the output shaft |
| 4657201027 | HOUS.FRONT SECT | Front section of the main housing, aligns with the input shaft |
| 4657201012 | HOUSING REAR PART | Rear housing section that supports the output bearing |
| 0631306792 | CYLINDRICAL PIN | Locates and secures the output shaft to the housing |
| 0636100801 | CAP SCREW | Fastens the output flange to the shaft |
| 4656301148 | FIXING PLATE | Prevents axial movement of the output assembly |
| 4657301032 | SCREEN SHEET | Filters debris from the oil return circuit |
| 4657301033 | SCREEN SHEET | Secondary filtration for the lubrication system |
| 0636100803 | CAP SCREW | Secures the rear housing cover |
| 4681301040 | OIL FEED.HOUSG. | Directs pressurized oil to the output shaft bearings |
Frequently Asked Questions
Q: Can the 4657.103.010 output be used in a WG 230 transmission without modifications?
A: Yes, this part is a direct OEM replacement for the WG 230 series. Ensure the CYLINDRICAL PIN is properly seated to avoid misalignment.
Q: What torque specification should I use for the output flange cap screws?
A: ZF recommends tightening the CAP SCREW (0636100801) to 85 Nm (63 ft-lbs) with thread locker applied.
Q: How do I identify a genuine ZF 4657.103.010 versus a counterfeit?
A: Genuine parts have a laser-etched ZF logo and part number on the shaft body. The spline surface should show a uniform case-hardened finish without grinding marks.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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