Overview
The ZF 4657.103.440 OUTPUT for WG190/WG210 is a critical drivetrain component engineered to transfer rotational force from the transmission’s planetary gear set to the output shaft. Positioned at the rear of the assembly, this OEM genuine part ensures precise torque delivery and alignment within the WG 190 and WG 210 series. The SKU 4657.103.440 is machined from high-strength alloy steel to withstand heavy-duty cycles in construction, agricultural, and material handling equipment. It interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to maintain structural integrity under load.
Symptoms of Failure
- Oil leaks near the rear seal area – A worn output hub can degrade the sealing surface, causing transmission fluid to weep or drip, often noticed after extended operation.
- Gear slipping under load – When the output splines wear, torque transfer becomes inconsistent, leading to hesitation or slipping during acceleration or hill climbing.
- Vibration or driveline shudder – Excessive play in the output bearing seat creates harmonic imbalance, felt as a low-frequency vibration through the chassis.
- Metallic debris in transmission fluid – Flaking or spalling on the output’s contact surfaces introduces fine metal particles into the oil, detectable during routine filter inspections.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.103.440 |
| Material | Alloy steel (case-hardened) |
| Weight | 2.8 kg (6.2 lbs) |
| Length | 185 mm |
| Outer Diameter | 95 mm |
| Spline Count | 24 (internal) |
| OEM Reference | ZF 4657.103.440 |
Compatibility
This output is designed for ZF WG 190 and WG 210 series transmissions, commonly found in wheel loaders, telehandlers, and industrial tractors. It also fits select WG 180 and WG 200 variants where the output shaft interface matches the 24-spline pattern. The part integrates with the HOUSING REAR PART (4657201103) and the HOUSING REAR PART (4472239184) to complete the rear section assembly. Always verify your transmission model and serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101051 | TRANSMISSION HOUSING | Encloses and supports gear sets and shafts |
| 4657201151 | HOUS.FRONT SECT | Front section housing for input components |
| 4657201103 | HOUSING REAR PART | Rear housing section for output assembly |
| 4472239184 | HOUSING REAR PART | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing positioning |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Retains output bearing in position |
| 4657301032 | SCREEN SHEET | Filter screen for oil flow control |
| 4657301033 | SCREEN SHEET | Alternate filter screen variant |
| 0636100803 | CAP SCREW | Fastener for output flange attachment |
Frequently Asked Questions
Q: How do I know if the ZF 4657.103.440 output is compatible with my WG190 transmission?
A: Check the spline count and output shaft diameter. This part uses a 24-spline internal pattern and fits WG190 and WG210 models. Cross-reference your transmission serial number with our compatibility chart above.
Q: Can I replace this output without removing the entire transmission?
A: In most cases, yes. The output can be accessed after removing the rear housing section and the HOUSING REAR PART. However, always consult your service manual for specific procedures.
Q: What causes premature wear on this output part?
A: Common causes include misaligned drivelines, contaminated transmission fluid, or overloading beyond the transmission’s rated torque capacity. Regular fluid changes and seal inspections help extend service life.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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