Overview
This ZF 4657.024.313 4 WG 190 Powershift Transmission Assembly is a complete, ready-to-install unit designed for heavy-duty industrial applications. As the core power transfer module in the WG 190 series, it integrates the torque converter, planetary gear sets, and clutch packs into a single sealed assembly. The SKU 4657.024.313 is a direct OEM replacement that restores full drivetrain performance, eliminating the need for piecemeal repairs. This assembly sits between the engine bell housing and the final drive, managing gear ratio changes under full load without interrupting power flow.
Symptoms of Failure
- Delayed or harsh shifting under load: Worn clutch discs or valve body wear cause hesitation when engaging forward or reverse gears, often accompanied by a jarring engagement.
- Internal oil leaks and low pressure: Cracks in the TRANSMISSION HOUSING or degraded seals lead to fluid loss, resulting in erratic shifting and overheating.
- Torque converter shudder: Vibration during acceleration at low speeds indicates stator or turbine damage within the assembly, reducing power transfer efficiency.
- Metal debris in transmission fluid: Worn planetary gears or bearings shed metallic particles, which can clog the SCREEN SHEET and damage downstream components.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.024.313 |
| Series | WG 190 |
| Dry Weight (approx.) | 185 kg (408 lbs) |
| Overall Length | 620 mm |
| Overall Width | 480 mm |
| Overall Height | 510 mm |
| Housing Material | Cast Aluminum Alloy |
| Torque Capacity | 1,900 Nm (1,401 lb-ft) |
| Fluid Capacity | 22 liters (5.8 gallons) |
| Mounting Pattern | SAE 3 Bell Housing |
| Related Fastener | CAP SCREW (M12 x 1.75) |
| Alignment Pin | CYLINDRICAL PIN (10 mm) |
Compatibility
This complete unit is engineered for the ZF WG 190 series, but it also fits select WG 180 and WG 200 variants with minor adapter modifications. It is directly compatible with models using the 4-speed powershift architecture, including the WG 190-4, WG 190-6, and WG 190-8. The assembly interfaces with the HOUS.FRONT SECT and the HOUSING REAR PART to form the complete gear case. For extended applications, the HOUSING REAR SECTION can be added for PTO integration. Always verify your transmission tag before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101085 | TRANSMISSION HOUSING | Main structural case enclosing gear sets |
| 4657201161 | HOUS.FRONT SECT | Front section housing torque converter |
| 4657201162 | HOUSING REAR PART | Rear case supporting output shaft |
| 4657298107 | HOUSING REAR SECTION | Extended rear housing for PTO |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | Fastener for housing flanges |
| 4656301148 | FIXING PLATE | Retains clutch pack assembly |
| 4657301032 | SCREEN SHEET | Oil filter screen (primary) |
| 4657301033 | SCREEN SHEET | Oil filter screen (secondary) |
| 0636100803 | CAP SCREW | Fastener for valve body cover |
Frequently Asked Questions
Q: Is this a complete drop-in replacement for my WG 190 transmission?
A: Yes, the ZF 4657.024.313 is a complete unit that includes all internal components. You will need to transfer the TRANSMISSION HOUSING and external sensors from your old unit if they are in good condition.
Q: What causes the torque converter shudder symptom described above?
A: Shudder typically results from worn clutch friction material or a failing stator one-way clutch. This assembly replaces the entire converter, eliminating that issue.
Q: Can I use this unit with a different bell housing pattern?
A: This unit is designed for SAE 3 pattern. Adapter plates are available for SAE 2 or SAE 4, but you must also verify clearance with the HOUS.FRONT SECT dimensions.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
