Overview
The ZF 4681.056.014 6 BP 210 BASICPOWER Transmission Assembly represents a complete, factory-grade replacement unit engineered for medium-duty commercial and industrial drivetrains. This assembly integrates the main housing, valve body, torque converter, and planetary gear sets into a single, pre-tested module. Designed as a direct swap for the BP 210 and BP 230 series, the SKU 4681.056.014 eliminates the need for piecemeal component rebuilding, reducing vehicle downtime. It sits at the core of the powertrain, managing torque multiplication and gear ratio changes under high-load conditions, making it critical for refuse trucks, delivery vehicles, and municipal equipment.
Symptoms of Failure
When the ZF 4681.056.014 assembly begins to degrade, operators typically notice distinct performance issues. Delayed or harsh engagement between forward and reverse gears is a primary indicator, often accompanied by a noticeable “clunk” during shifts. Fluid contamination with metallic debris signals internal clutch pack or bearing wear, visible during routine oil changes. Torque converter shudder at low speeds, particularly under load, points to stator or lock-up clutch failure. Finally, erratic shift patterns—such as skipping gears or failing to downshift on inclines—suggest valve body or solenoid degradation within the assembly.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number / SKU | 4681.056.014 |
| Assembly Type | Complete Unit (6-speed, BASICPOWER) |
| Series | BP 210 / BP 230 |
| Dry Weight (approx.) | 285 kg (628 lbs) |
| Housing Material | High-strength aluminum alloy (A356-T6) |
| Overall Length | 720 mm |
| Maximum Input Torque | 2,100 Nm |
| Fluid Capacity | 18.5 liters (ZF LifeguardFluid 8) |
| OEM Reference | ZF 4681.056.014 (Direct OE) |
Compatibility
This complete unit is specifically engineered for the ZF BP 210 and ZF BP 230 transmission series. It is a direct fit for applications originally equipped with the 6 BP 210 BASICPOWER variant. While primarily designed for these two series, the assembly shares mounting patterns and hydraulic interfaces with earlier ZF WG180 and ZF WG200 models in certain retrofit scenarios, though a full bell housing and torque converter check is required. Common vehicle platforms include Mercedes-Benz Atego, MAN TGL, and Iveco Eurocargo chassis built between 2010 and 2020. Always verify the original transmission tag before ordering.
Installation Notes
- Requires ZF-approved transmission fluid (LifeguardFluid 8).
- Torque converter bolts must be replaced with new OEM-grade fasteners.
- ECU recalibration recommended after assembly swap.
