Russian Diesel Locomotive TEP 70 BC Soviet

Locomotive TEP70BS has two main versions, differing gear ratio, and, accordingly, the speed of long-term mode and structural, as well as the speed of transitions to the 1, 2 stage excitation attenuation TED and back[1]. The first has a gear ratio i = 3.12, as in the TEP70 locomotive and a structural speed of 160 km / h[1]. In this version there were locomotives of the first releases and part of 200 numbers, and also all export locomotives.