ZF 4657.024.307 4 WG 190 Powershift Transmission Assembly | Complete Unit

Overview

This ZF 4657.024.307 4 WG 190 Powershift Transmission Assembly is a complete, ready-to-install unit engineered for heavy-duty industrial applications. As the core power transfer module in the WG 190 series, it integrates the main gear sets, clutch packs, and hydraulic control system into a single robust assembly. The SKU 4657.024.307 serves as the direct replacement for original equipment transmissions in wheel loaders, dozers, and material handlers. It interfaces directly with the TRANSMISSION HOUSING to form the structural backbone of the drivetrain, while the HOUS.FRONT SECT and HOUSING REAR PART enclose the rotating components. This assembly is precision-balanced to deliver smooth, reliable shifting under extreme loads.

Symptoms of Failure

When the ZF 4657.024.307 assembly begins to degrade, operators often notice specific performance issues. Delayed or harsh engagement between forward and reverse gears is a common early indicator, caused by internal clutch wear or hydraulic pressure loss. Torque converter shudder during low-speed maneuvering signals that the stator or turbine components are failing. External oil leaks from the main case seams or output shaft seal point to gasket fatigue or housing cracks. Intermittent gear slipping under load—especially in higher ranges—suggests worn planetary gears or damaged friction discs. Addressing these symptoms promptly with this complete unit prevents secondary damage to the HOUSING REAR SECTION and adjacent components.

Technical Specifications

Compatibility

This complete unit is specifically engineered for the ZF WG 190 series transmissions. It is a direct fit for models including the WG180, WG190, and WG200, which are commonly found in articulated dump trucks, graders, and compact loaders. The assembly is also compatible with select WG 150 and WG 210 variants when used with the appropriate adapter plates. Always verify your existing transmission housing part number—such as the TRANSMISSION HOUSING—to ensure proper alignment with the HOUS.FRONT SECT and HOUSING REAR PART.

Related Components

Frequently Asked Questions

Q: Is the 4657.024.307 a remanufactured or new unit?
A: This is a complete new assembly built to OEM specifications. It includes all internal components, gaskets, and seals, and does not require any core exchange.

Q: Can I install this unit without replacing the housing sections?
A: Yes, but we strongly recommend inspecting the TRANSMISSION HOUSING and HOUSING REAR PART for cracks or wear. Damaged housings will compromise the new assembly’s alignment and longevity.

Q: What fluid type is recommended for this transmission?
A: Use ZF-approved TE-ML 03 or 05 specification transmission oil. The unit holds approximately 18.5 liters. Always refill after installation and check for leaks around the HOUSING REAR SECTION seals.