TEP70 is a mainline passenger six-axle diesel locomotive with AC-DC electric transmission, produced in the USSR and Russia at the Kolomenskoye plant from 1973 to 2006; from 2006 to the present time, the serial construction of the TEP70BS diesel locomotive created on its basis is carried out. Also served as the basis for the main passenger locomotive TEP70U and cargo two-section locomotive 2TE70.