PKP class ET21

The locomotives of the series ET21 Polish State Railways ( PKP) are electric locomotives to haul freight trains.

Series of PKP ET21

1955 has started with the construction of the first Polish electric locomotive for freight services; she received the type designation 3E. As with freight locomotives usual, she has two three-axle bogies, in which all axles are driven, and a transmission with a gear ratio of 85:24. The top speed is 100 km / h

. Serial production of locomotives that were given the series designation ET21, began in 1957 In 1960, a slight change in design: From the locomotive ET21 - 70, the service weight was 6.0 t decreased while the type designation now 3E / 1 read. A total of up to 1971 658 machines of the type ET21 were delivered to the PKP.

Main application of the ET21 is the freight, but it comes up today also inserts before passenger trains.

From 1969, the successor Series ET22 was delivered, which from now supplanted the ET21. In the 1970s, the withdrawal began, but in 2007 were still 32 units of ET21 in action inventory of PKP; all produced from 1960 type E3 / 1 The remaining locomotives are mostly located in Nowy Sacz, Wrocław, but also in Kraków and Łazy. Locomotive ET21 -57 is located in the museum's collection of PKP.

Types 3E and 3E / 1 at industrial railways

Identical engines were also supplied to the dirt tracks of PMPPW. These were 14 locomotives of the type 3E and 54 Type 3E / 1 Part of it is also still used today by the privatized successor companies.

17 more ET21 took over various private railways of the PKP.

Pictures

In Newag in Gliwice modernized locomotive 3E -100 Orlen (2013 )

3E -71 (as ET21 - 71) of the CTL in Mińsk Mazowiecki (2006)