PKP Class EN56 electric multiple unit of Poland, early 1960s

A total 36 of these sets were produced by VEB Waggonbau Görlitz in the DDR between 1954 and 1957. The following class was the EN57 produced by the Pafawag factory in Wrocław (Breslau) between 1961 and 1993 -- with 1418 sets the longest-produced railway vehicle in Polish history.

Axle arrrangement: 2′2′ + Bo′Bo′ + 2′2
Total Train Length63,100 mm (61,880 mm excluding couplers)

Width 2,950 mm

Height 4,200 mm

Total Service Weight 135 tonnes (Motor car: 60.5 t; Trailers: 37.2 t each)

Electric System3 kV DC (Overhead line)

Traction Motors 4 × LEW Hennigsdorf GBM185 motors

Continuous Power Output 580 kW (145 kW × 4)

Maximum Speed 110 km/h