The 2TE70 main line dual unit diesel freight locomotive, rated at 6000 kW (8000HP), with AC/DC transmission and individual axle traction control, is designed to haul freight trains on the Russian Federation lines RZD with the broad gauge

Broad gauge

Broad-gauge railways use a track gauge greater than the standard gauge of .- List :For list see: List of broad gauges, by gauge and country- History :...

. The 2ТE70 Freight diesel locomotive with two six axial sections shares main parts with the TEP70 and TEP70BS passenger diesel locomotives. Each section is rated at 2964 kW (4000HP) and it is designed for running freight trains up to 6,000 t .
The 2TE70 also shares a number of components with the TEP70BS and TEP70U passenger locomotives.