Overview
The ZF 4657.103.430 OUTPUT for WG190/WG210 is a critical driveline component engineered to transfer rotational force from the transmission’s planetary gearset to the output shaft. Positioned at the rear of the main housing assembly, this OEM genuine part ensures precise torque delivery and smooth power flow in heavy-duty ZF WG190 and WG210 series transmissions. The SKU 4657.103.430 is manufactured to exacting factory tolerances, making it the direct replacement for worn or damaged output units in commercial vehicles, construction equipment, and marine applications. When paired with the TRANSMISSION HOUSING (4657101033) and the HOUS.FRONT SECT (4657201027), this output component completes the structural integrity of the gear train.
Symptoms of Failure
- Oil leaks at the rear output seal: A worn 4657.103.430 output often causes transmission fluid to weep from the rear housing joint, leading to low fluid levels and potential overheating.
- Gear slipping under load: When the output hub loses its spline engagement, operators may experience intermittent power loss or “slipping” during acceleration, especially in WG210 models.
- Abnormal driveline vibration: A damaged output unit can create rhythmic shaking at highway speeds, indicating bearing race wear or shaft imbalance.
- Clunking noises during gear engagement: Excessive play in the output assembly produces audible metallic impacts when shifting from neutral to drive or reverse.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number (SKU) | 4657.103.430 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 4.2 kg (9.26 lbs) |
| Overall Length | 215 mm |
| Output Spline Diameter | 42 mm (1.654 in) |
| OEM Reference | ZF 4657.103.430 (Genuine) |
| Torque Capacity | 1,200 Nm (885 lb-ft) |
Compatibility
This output component is specifically designed for ZF WG190 and WG210 series transmissions. It is also compatible with the WG180 and WG200 variants when used in conjunction with the correct HOUSING REAR PART (4657201012). For proper installation, ensure the CYLINDRICAL PIN (0631306792) is aligned correctly to prevent misalignment of the output shaft. The 4657.103.430 output is not interchangeable with older ZF 4HP or 5HP series units.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101033 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section of transmission housing |
| 4657201012 | HOUSING REAR PART | Rear housing section supporting output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for housing attachment |
| 4656301148 | FIXING PLATE | Secures output bearing in position |
| 4657301032 | SCREEN SHEET | Filter screen for oil return circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen for debris protection |
| 0636100803 | CAP SCREW | High-tensile bolt for output flange |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel for output bearings |
Frequently Asked Questions
Q: Can the 4657.103.430 output be used in a ZF WG200 transmission?
A: Yes, this output is compatible with WG200 models when paired with the correct rear housing (4657201012). Always verify spline count and shaft length before installation.
Q: What causes premature failure of this output component?
A: Common causes include contaminated transmission fluid, overloading beyond rated torque capacity, and improper alignment of the cylindrical pin (0631306792) during reassembly.
Q: Is the 4657.103.430 output sold as a complete assembly?
A: This part number refers to the output hub only. For a full rebuild, consider ordering the fixing plate (4656301148) and cap screws (0636100801/0636100803) separately.
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Phone: +86 158 2286 3467 |
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