Overview
The ZF 4681.054.015 4 BP 210 BASICPOWER Transmission Assembly represents a complete, factory-grade replacement unit engineered for heavy-duty commercial drivelines. This assembly integrates the valve body, clutch packs, and planetary gear sets into a single, pre-assembled module, eliminating the need for complex field rebuilding. Designed as a direct-fit solution for the BP 210 and BP 230 series, this unit restores full hydraulic pressure and gear engagement integrity. The SKU 4681.054.015 is specifically calibrated for BASICPOWER applications, ensuring consistent torque delivery under sustained load conditions. It functions as the central power transfer hub, converting engine torque into controlled wheel rotation through four forward speeds and one reverse gear.
Symptoms of Failure
When the ZF 4681.054.015 assembly begins to degrade, operators typically notice three distinct failure modes. Delayed or harsh engagement between forward and reverse gears is a primary indicator, often caused by worn clutch pack clearances or degraded sealing rings within the valve body. Intermittent gear slipping under load—particularly when climbing grades or carrying maximum payload—signals internal hydraulic pressure loss, frequently traced to fatigued piston seals or scored bore surfaces. External fluid seepage around the bell housing or output flange points to compromised gaskets or cracked housing sections, which can accelerate fluid contamination. A fourth symptom, erratic shift timing or failure to upshift, often correlates with a stuck governor valve or blocked filter screen within the BASICPOWER hydraulic circuit.
Technical Specifications
| Part Number | 4681.054.015 |
| Assembly Type | Complete Unit (4-speed, 1 reverse) |
| Series | BP 210 / BP 230 BASICPOWER |
| Dry Weight | Approx. 145 kg (320 lbs) |
| Housing Material | High-strength aluminum alloy (A356-T6) |
| Input Torque Capacity | 1,200 Nm (885 lb-ft) max |
| Overall Length | 685 mm (27.0 in) |
| Fluid Capacity | 12.5 liters (3.3 US gal) |
| OEM Reference | ZF 0501 210 015 |
Compatibility
This assembly is engineered for the ZF BP 210 and BP 230 transmission families, which are commonly paired with medium-duty trucks, municipal vehicles, and construction equipment. Specific compatible models include the WG180, WG200, and WG210 series, where the BASICPOWER designation indicates a non-electronic, fully hydraulic control system. It also fits the 4 BP 210 and 4 BP 230 variants used in refuse trucks and fire apparatus. The unit is not backward-compatible with the earlier HP 500 series without adapter modifications. Always verify the bell housing pattern and output flange configuration against your existing transmission tag before installation.
Common Vehicle Applications
- Mercedes-Benz Atego / Actros (pre-2010 models with ZF 4-speed)
- MAN TGL / TGM series with BP 210 option
- Iveco Eurocargo with ZF BASICPOWER
- Volvo FL / FE medium-duty chassis
