Ford Hydra Engine
The 2.5-liter Ford HYDA or 2.5 Duratec ST225 engine was produced from 2005 to 2010 and installed in the sporty second generation of the Focus model with the ST index. This engine was basically a clone of the power unit from the Volvo Modular engine family. The Duratec ST/RS line includes the following engines: ALDA, HMDA, HUBA, HUWA, HYDB, and JZDA.