The BVG Class HK is a type of

electric multiple unit An electric multiple unit or EMU is a multiple-unit train consisting of self-propelled carriages using electricity as the motive power. An EMU requires no separate locomotive, as electric traction motors are incorporated within one or a number o ...

in service on the

Berlin U-Bahn The Berlin U-Bahn (; short for , "underground railway") is a rapid transit system in Berlin, the capital and largest city of Germany, and a major part of the city's public transport system. Together with the Berlin S-Bahn, S-Bahn, a network of ...

. It is operated by ''

Berliner Verkehrsbetriebe The (German: 'Berlin Transport Company') is the main public transport company of Berlin, the capital city of Germany. It manages the city's (underground), trams in Berlin, tram, bus transport in Berlin, bus, replacement services (EV) and fe ...

'' (BVG) (Berlin Transport Company). The HK is a ''Kleinprofil'' (small profile) variant of the larger ''Großprofil'' (large profile) H series.

Production history

Operational history

The HK series primarily operates on the U2 line.

References

{{Berlin U-Bahn rolling stock Berlin U-Bahn Electric multiple units of Germany 750 V DC multiple units Bombardier Transportation multiple units