Overview
The ZF 4681.054.032 4 BP 210 BASICPOWER Transmission Assembly represents a complete, ready-to-install unit engineered for heavy-duty driveline applications. This assembly functions as the primary power transfer module within the BP 210 and BP 230 series, integrating the torque converter, planetary gear sets, and hydraulic control system into a single, sealed housing. As a full replacement assembly, the SKU 4681.054.032 eliminates the need for piecemeal repairs, ensuring consistent gear engagement and load distribution across all forward and reverse ratios. This unit is specifically designed to restore original equipment performance in ZF BASICPOWER transmissions, providing a direct fit for vehicles operating under high torque and continuous duty cycles.
Symptoms of Failure
When the ZF 4681.054.032 assembly begins to degrade, operators will notice distinct operational deficits. Recognizing these failure modes early can prevent catastrophic driveline damage.
- Delayed or harsh engagement between forward and reverse: A worn assembly often causes a noticeable lag when shifting from neutral to drive or reverse, accompanied by a jarring clunk. This symptom points to internal hydraulic pressure loss within the 4681.054.032 unit.
- Persistent transmission fluid leaks near the bell housing: Deteriorated seals and gaskets on the assembly allow ATF to escape, leaving puddles under the vehicle. This is a common long-tail search query for “ZF BP 210 oil leak repair.”
- Gear slipping under load on inclines: As internal clutches and bands wear, the transmission may momentarily lose power delivery when climbing grades or hauling heavy loads. This manifests as a sudden engine RPM flare without corresponding vehicle acceleration.
- Unusual whining or grinding noises from the transmission pan area: Worn bearings or damaged planetary gears within the assembly generate metallic sounds that intensify with speed. This often leads to searches for “ZF transmission grinding noise fix.”
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / SKU | 4681.054.032 |
| Assembly Type | Complete BASICPOWER Unit (4-speed) |
| Overall Length | Approx. 720 mm (28.3 in) |
| Dry Weight | Approx. 185 kg (408 lbs) |
| Housing Material | High-strength aluminum alloy (die-cast) |
| Torque Capacity | Up to 2,100 Nm (1,549 lb-ft) |
| Fluid Capacity | Approx. 18 liters (4.75 gallons) |
| OEM Reference | ZF 4681.054.032 (Direct replacement) |
Compatibility
This complete assembly is engineered for direct installation into ZF transmission models that utilize the BASICPOWER architecture. The 4681.054.032 unit is specifically validated for the following series:
- ZF WG180 Series – All variants requiring BP 210/230 internals.
- ZF WG200 Series – Including WG200 and WG200C configurations.
- ZF BP 210 Series – Direct fit for 4 BP 210 BASICPOWER applications.
- ZF BP 230 Series – Compatible with 4 BP 230 BASICPOWER units.
This assembly is not cross-compatible with older ZF Ecomat or Ecolife series without significant adapter modifications. Always verify your transmission model tag before ordering the 4681.054.032 unit.
