The 2TE70 is a Russian main line dual unit freight diesel locomotive, rated at . It has AC/DC transmission and individual axle traction control and is designed to haul freight trains on the Russian Federation lines Rà ½D with . The 2âE70 Freight diesel locomotive with two six-axle sections shares main parts with the TEP70 and TEP70BS passenger diesel locomotives. Each section is rated at and it is designed for running freight trains of up to .
The 2TE70 also shares a number of components with the TEP70BS and TEP70U passenger locomotives.