The 2.5-liter Ford HUWA turbo engine was produced at the Swedish plant from 2006 to 2010 and was installed in the first generation of the popular S-MAX minivan, but only before restyling. Such a power unit is essentially just a modification of the Volvo engine with the B5254T3 index.

DURATEC ST/RS family:
2.0 L – ALDA, HMDA;
2.5 L – HUBA, HYDA, HYDB, HUWA, JZDA.
The engine was installed on:
- Ford S-Max Mk1 in 2006 – 2010.
Specifications
| Production years | 2006-2010 |
| Displacement, cc | 2522 |
| Fuel system | injector |
| Power output, hp | 220 |
| Torque output, Nm | 320 |
| Cylinder block | aluminum R5 |
| Block head | aluminum 20v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 93.2 |
| Compression ratio | 9.0 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | Dual CVVT |
| Turbocharging | KKK K04 |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.8 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Ford S-MAX 2008) — city — highway — combined |
13.3 7.1 9.4 |
| Engine lifespan, km | ~290 000 |
Disadvantages of the HUWA engine
- The weak point of this motor are the valves and couplings of the phase control system;
- Also, many are faced with lubricant consumption due to clogged crankcase ventilation;
- For the same reason, oil often presses through the front camshaft oil seals;
- Carefully monitor the condition of the timing belt, as when it breaks, the valve bends;
- On a run of 150 – 200 thousand km, the fuel pump and turbine often require attention.
