ith ▁was ▁awarded ▁a ▁contract ▁to ▁supply ▁the ▁mechanical ▁part ▁of ▁the ▁tra ction ▁drives ▁( SE H - 5 2 5 ▁single ▁stage ▁hel ical ▁g ear ▁to ▁h ollow ▁sh aft ▁drive ) ▁for ▁ 1 6 4 ▁units ▁( 8 0 4 ▁drives ). ▁ ▁Test ing ▁EP 2 0 - 0 0 1 ▁began ▁testing ▁at ▁V EL N II ' s ▁test ▁track ▁at ▁Nov och erk ass k ▁in ▁April ▁ 2 0 1 1 ▁and ▁later ▁at ▁the ▁Sh cher b ink a ▁test ▁track . ▁ ▁In ▁April ▁ 2 0 1 2 ▁cert ification ▁testing ▁began ▁on ▁the ▁Bel ore ch ensk aya ▁to ▁May kop ▁line ▁( see ▁North ▁C au cas us ▁Railway ). ▁A ▁second ▁prototype ▁EP 2 0 - 0 0 2 ▁began ▁testing ▁in ▁October ▁ 2 0 1 1 . ▁Test ▁runs ▁at ▁ ▁took ▁place ▁on ▁the ▁October ▁Railway ▁in ▁mid - late ▁ 2 0 1 2 . ▁ ▁References ▁ ▁Notes ▁ ▁S ources ▁ ▁External ▁links ▁ ▁, ▁report ▁on ▁presentation ▁of ▁first ▁unit ▁to ▁R Z D ▁ ▁Category : E lect ric ▁locomot ives ▁of ▁Russia ▁Category : Bo - Bo - Bo ▁locomot ives ▁Category : R ail way ▁locomot ives ▁introduced ▁in ▁ 2 0 1 1 ▁Category : 5 ▁ft ▁gauge ▁locomot ives <0x0A> </s> ▁D ani ël ▁de ▁Kon in ck ▁( 1 6 6 8 – 1 7 3 0 ), ▁was ▁an ▁ 1 8 th