The TEP70 main line single unit diesel passenger locomotive, rated at 2,964 kW (3,975 hp), with AC/DC transmission and individual axle traction control, is a railway engine designed to haul passenger trains on the Russian gauge railway network of eastern Europe. The TEP70 is currently[when?] in service in Russia, Ukraine, Belarus, Estonia, Latvia, Lithuania, and Kazakhstan.
The TEP70 diesel locomotive has been used as the basis of two other sub classes, the TEP70BS and the TEP70U.
The TEP70 also shares a number of components with the 2TE70 two-unit freight locomotive.