Overview
The ZF 4681.024.005 4 BP 190 BASICPOWER Transmission Assembly represents a complete, factory-matched unit designed to restore heavy-duty driveline performance in demanding commercial applications. This assembly integrates the main housing, valve body, and rotating components into a single, ready-to-install package. As a direct replacement for the SKU 4681.024.005, it serves as the core power transfer module within the BP 210 and BP 230 series architectures. Engineered for vehicles requiring consistent torque handling under high-cycle operations, this assembly eliminates the need for piecemeal repairs by providing a fully assembled unit that meets original equipment tolerances. Its construction focuses on reducing internal leakage and maintaining hydraulic pressure stability across the gear train.
Symptoms of Failure
When the ZF 4681.024.005 assembly begins to degrade, operators typically notice several distinct performance issues. Delayed or harsh engagement between forward and reverse gears often signals internal wear within the clutch pack or valve body. Another common indicator is erratic shifting under load, where the transmission hunts for gears or slips during acceleration, particularly on inclines. Visible fluid leaks around the main housing seam or output shaft seal frequently accompany advanced wear, leading to low fluid levels and overheating. Finally, unusual whining or grinding noises from the transmission casing during neutral or coasting suggest bearing fatigue or planetary gear damage.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / SKU | 4681.024.005 |
| Assembly Type | Complete Unit (4 BP 190 BASICPOWER) |
| Overall Length (approx.) | 620 mm |
| Dry Weight (approx.) | 95 kg |
| Housing Material | High-strength aluminum alloy |
| Input Torque Capacity | 1900 Nm (estimated) |
| OEM Reference | ZF 4681.024.005 |
| Fluid Capacity | 12.5 liters (approximate) |
Compatibility
This complete assembly is engineered for integration with specific ZF transmission models that share the BP 190 architecture. Primary compatibility includes the ZF WG180 and ZF WG200 series transmissions commonly found in municipal buses, refuse trucks, and medium-duty construction vehicles. It also directly replaces units within the BP 210 Series and BP 230 Series product families. While the assembly is designed as a direct bolt-in for these platforms, verification of the bell housing pattern and output flange configuration against the original equipment is recommended before installation. For applications outside these core series, consult the vehicle’s original transmission tag to confirm cross-reference with the 4681.024.005 SKU.
Additional Compatibility Notes
- Fits ZF 4 BP 190 BASICPOWER variants with standard valve body orientation.
- Not compatible with early WG160 series without adapter plate modifications.
- Requires matching torque converter (sold separately) for complete installation.
