A PKP Intercity Class EU07 electric locomotive has been extensively re-engineered by Polish firm ZNTK OLEŚNICA S.A.as a pilot for wider future programme.

The new locomotive has been uprated to 3.2 MW from the existing 2 MW of power, which allows a top-speed of 160 Km/h from the current 125 Km/h.

The DC traction motors have been redesigned by Emit Zychlin and the new EY541X4 three-phase AC motors will be fed by a Medcom FT-1600-3000 inverters. IPS Tabor has supplied the microprocessor diagnostic and control systems along with the pneumatic equipments while Enika supplied the auxiliary power equipments.

The new engine is being tested by PKP Intercity after which the company intends to place an order for 20 additional units.