Overview
The ZF 4657.103.435 OUTPUT for WG190/WG210 is a critical driveline component engineered to transfer rotational force from the transmission’s planetary gear set to the output shaft. Positioned at the rear of the gearbox housing, this OEM genuine part ensures precise torque delivery and minimal power loss during heavy-duty operations. The SKU 4657.103.435 is machined from high-strength alloy steel to withstand extreme loads in construction, mining, and agricultural machinery. When paired with the 4657101082: TRANSMISSION HOUSING, this output assembly maintains structural integrity under continuous stress. Its splined interface directly engages with the differential, making it indispensable for maintaining gear synchronization in WG190 and WG210 series transmissions.
Symptoms of Failure
- Oil leaks near the rear seal: Worn splines or bearing surfaces on the 4657.103.435 can cause seal misalignment, leading to visible fluid drips under the transmission housing.
- Gear slipping under load: A damaged output hub reduces friction grip, causing intermittent power loss during acceleration or uphill operation.
- Vibration or whining noise: Excessive play in the output assembly generates harmonic vibrations that amplify through the driveline, especially at highway speeds.
- Difficult shifting: Binding in the output shaft prevents smooth engagement between gears, often accompanied by a grinding sensation when changing ranges.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4657.103.435 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 4.2 kg (9.3 lbs) |
| Overall Length | 185 mm |
| Spline Diameter | 38 mm (internal), 42 mm (external) |
| OEM Reference | ZF 4657.103.435 |
| Torque Capacity | 1,200 Nm (peak) |
Compatibility
This genuine ZF output is designed for the WG190 and WG210 transmission families, including the WG180, WG200, and WG211 variants. It directly replaces the original part in all 4657201166: HOUS.FRONT SECT and 4657201170: HOUSING REAR PART assemblies. For complete rear-end rebuilds, the 4657.103.435 also integrates with the 4657298102: HOUSING REAR SECTION. Always verify spline count and shaft diameter against your existing unit before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 0631306816 | CYLINDRICAL PIN | Aligns output shaft to housing bore |
| 0636100801 | CAP SCREW | Secures output flange to shaft |
| 4656301148 | FIXING PLATE | Prevents axial movement of output assembly |
| 4657301032 | SCREEN SHEET | Filters debris from output bearing oil |
| 4657301033 | SCREEN SHEET | Secondary filtration for rear housing |
| 0636100803 | CAP SCREW | Fastens housing rear section to main case |
Frequently Asked Questions
Q: Can the 4657.103.435 be used in a WG180 transmission?
A: Yes, this output is mechanically identical to the WG180 variant. However, confirm that your WG180 uses the same spline count (18 internal teeth) as the WG190/WG210 series.
Q: What torque specification should I use for the retaining nut?
A: ZF recommends 280–320 Nm for the output shaft nut. Always replace the lock washer and apply thread locker to prevent loosening under vibration.
Q: Is this part interchangeable with the 4657.103.436?
A: No. The 4657.103.436 has a different spline profile and is 8 mm shorter. Using the wrong part will cause premature bearing failure.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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