Overview
The ZF 4681.054.031 4 BP 210 BASICPOWER Transmission Assembly is a complete, ready-to-install unit engineered for heavy-duty commercial and industrial driveline applications. As a fully assembled replacement, this component integrates the hydraulic control system, planetary gear sets, and clutch packs into a single, sealed housing. The SKU 4681.054.031 is specifically designed to restore original performance in ZF BASICPOWER series transmissions, serving as the core power transfer module between the engine and the final drive. This assembly eliminates the need for piecemeal repairs, providing a direct swap solution for vehicles experiencing total transmission failure or severe internal damage.
Symptoms of Failure
When the ZF 4681.054.031 assembly begins to fail, operators will notice distinct operational degradation. Recognizing these signs early can prevent catastrophic driveline damage.
- Complete loss of forward or reverse gear engagement: The transmission may fail to respond to gear selection, indicating internal hydraulic pressure loss or clutch pack seizure within the assembly.
- Severe oil leaks from the bell housing or main case: Worn seals or cracked housing sections allow transmission fluid to escape, often pooling under the vehicle and leading to low-pressure faults.
- Erratic shifting or harsh engagement: The unit may slam into gear or hesitate before moving, a symptom of worn valve body components or degraded internal bushings.
- Burning smell accompanied by slipping under load: Friction material breakdown inside the clutch packs generates heat and odor, indicating imminent total failure of the assembly.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number / SKU | 4681.054.031 |
| Assembly Type | Complete Unit (4 BP 210 BASICPOWER) |
| Overall Length (approx.) | 720 mm |
| Dry Weight (approx.) | 185 kg |
| Housing Material | Cast Aluminum Alloy |
| Input Torque Rating | 2100 Nm |
| OEM Reference | ZF 4681.054.031 |
| Fluid Capacity (approx.) | 18.5 liters |
Compatibility
This complete assembly is engineered for the ZF BASICPOWER transmission family. It is a direct fit for the following models and their derivatives, commonly found in municipal trucks, construction loaders, and specialized off-highway equipment:
- ZF WG180 series (all variants)
- ZF WG200 series (all variants)
- ZF 4 BP 210 series (BASICPOWER)
- ZF 4 BP 230 series (BASICPOWER)
Always verify the bell housing pattern and output flange configuration against your existing unit before installation. This assembly is not backward compatible with older ZF Ecomat series without adapter modifications.
