Overview
This ZF 4657.024.132 4 WG 190 Powershift Transmission Assembly is a complete, factory-matched unit designed for heavy-duty industrial and agricultural machinery. As the core power transfer module in the WG 190 series, this assembly integrates the main gear sets, clutch packs, and hydraulic control components into a single ready-to-install package. The SKU 4657.024.132 is a direct replacement for original equipment transmissions, ensuring seamless integration with your existing driveline. This unit works in concert with the 4657101078: TRANSMISSION HOUSING to provide structural integrity and precise alignment of internal components.
Symptoms of Failure
- Erratic gear engagement or slipping under load: When the complete unit wears, you may experience delayed shifts or a loss of torque transfer during operation, often accompanied by a burning clutch smell.
- External oil leaks at housing seams: Cracks or warpage in the main casing can cause transmission fluid to weep from the joint between the 4657201166: HOUS.FRONT SECT and the rear casing.
- Unusual grinding or whining noises: Bearing failure or gear tooth damage inside the assembly produces metallic sounds that intensify with engine RPM.
- Inability to hold gear in reverse or low range: Internal hydraulic pressure loss or worn clutches prevent the transmission from maintaining position on inclines.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 4657.024.132 |
| Assembly Type | Complete Powershift Transmission |
| Series | WG 190 |
| Estimated Dry Weight | 185 kg (408 lbs) |
| Overall Length | 720 mm |
| Overall Width | 510 mm |
| Overall Height | 480 mm |
| Housing Material | High-Grade Cast Iron |
| OEM Reference | ZF 4 WG 190 |
| Torque Capacity (Estimated) | 1,200 Nm |
Compatibility
This complete unit is specifically engineered for the ZF WG 190 series. It is directly compatible with models such as the WG 180, WG 190, and WG 200, which share the same bolt pattern and input/output flange dimensions. The assembly also fits applications originally equipped with the WG 185 and WG 210 variants when used with the correct 4657201168: HOUSING REAR PART or 4657298101: HOUSING REAR SECTION for proper tailshaft support. Always verify your existing transmission model and bellhousing pattern before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101078 | TRANSMISSION HOUSING | Main structural casing for gear and shaft alignment |
| 4657201166 | HOUS.FRONT SECT | Front section housing input shaft and pump drive |
| 4657201168 | HOUSING REAR PART | Rear casing for output shaft and PTO mounting |
| 4657298101 | HOUSING REAR SECTION | Alternate rear section for extended tail housing |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Retainer plate for clutch pack assembly |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for oil sump |
| 0636100803 | CAP SCREW | High-tensile bolt for clutch housing |
Frequently Asked Questions
Q: Is the ZF 4657.024.132 a direct bolt-in replacement for my existing WG 190 transmission?
A: Yes, this complete unit is a factory-assembled replacement that matches all original mounting points, input splines, and output flanges for the WG 190 series. Ensure your vehicle uses the same bellhousing pattern as the original.
Q: What other parts should I replace when installing this transmission assembly?
A: We recommend replacing all gaskets, seals, and the 4657301032: SCREEN SHEET and 4657301033: SCREEN SHEET filters to prevent contamination. Also inspect the 0631306816: CYLINDRICAL PIN for wear.
Q: Does this unit include the torque converter?
A: No, the 4657.024.132 is the transmission assembly only. The torque converter and flex plate must be ordered separately based on your engine model.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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