2 7 5 ▁were ▁built ▁with ▁different ▁bog ies ▁than ▁the ▁standard ▁ones ▁( similar ▁to ▁the ▁ones ▁used ▁on ▁the ▁F S ▁Class ▁E . 6 4 6 ▁pro tot ypes ), ▁ 3 2 RT - 2 0 0 ▁mot ors , ▁ 5 ▁sh unt ▁levels ▁and ▁a ▁g ear ▁ratio ▁of ▁ 2 4 / 7 4 ▁( max ▁speed ▁). ▁These ▁units ▁were ▁later ▁made ▁identical ▁to ▁standard ▁units . ▁ ▁During ▁the ▁ 1 9 6 0 s - 1 9 7 0 s ▁An sal do - B red a ▁built ▁a ▁locomot ive ▁derived ▁from ▁E . 6 3 6 ▁for ▁use ▁in ▁Y ug oslav ia , ▁class ified ▁J Ž ▁ 3 6 2 . ▁ ▁See ▁also ▁▁ ▁H Ž ▁series ▁ 1 0 6 1 ▁ ▁Italian ▁site ▁about ▁E . 6 3 6 , ▁with ▁detailed ▁descri ptions ▁and ▁photo ▁gall eries ▁ ▁References ▁▁ ▁I stru zione ▁sull ' E ser ci z io ▁del ▁F reno ▁Cont inu o ▁Autom at ico ▁▁▁ ▁Some ▁parts ▁have ▁been ▁translated ▁from ▁the ▁article ▁present ▁on ▁the ▁Italian ▁Wikipedia . ▁ ▁Category : 3 0 0 0 ▁V ▁DC ▁locomot ives ▁E . 6 3 6 ▁Category : Bo - Bo - Bo ▁locomot ives ▁Category : R ail way ▁locomot ives ▁introduced ▁in ▁ 1 9 4 0 ▁Category : G io . ▁An sal do ▁& ▁C . ▁locomot ives ▁Category : B red a ▁locomot ives ▁Category :