▁side ▁by ▁side ▁tan dem ▁engine ▁setup ▁of ▁two ▁banks ▁of ▁four ▁engines ▁each ▁driving ▁two ▁prop eller ▁sh aft s ▁in ▁Land ing ▁C raft ▁Infantry ▁L CI ( L ). ▁The ▁eight ▁engines ▁produced ▁a ▁total ▁of ▁. ▁ ▁Soviet / Russ ian ▁copies ▁In ▁the ▁Soviet ▁Union ▁/ ▁Russia , ▁various ▁versions ▁of ▁this ▁engine - type ▁were ▁produced ▁at ▁the ▁Y ar oslav l ▁autom obile ▁factory ▁( Y a A Z ). ▁Through out ▁World ▁War ▁II , ▁the ▁ 4 - 7 1 ▁engine ▁both ▁in ▁locally ▁assemble d ▁form ▁( built ▁by ▁L end - Le ase ▁provided ▁American ▁industrial ▁equipment ) ▁and ▁from ▁USA - supp lied ▁k its ▁had ▁been ▁used ▁for ▁Ya - 1 2 ▁light ▁art illery ▁tra ctors ▁and ▁tr uck s . ▁After ▁ 1 9 4 5 , ▁the ▁ 4 - 7 1 ▁engine ▁entered ▁production ▁in ▁a ▁slightly ▁modified ▁configuration ▁to ▁suit ▁the ▁conditions ▁of ▁the ▁Soviet ▁Union ▁brand ed ▁" Y a A Z - 2 0 4 ". ▁After ▁ 1 9 4 7 ▁the ▁factory ▁used ▁a ▁copy ▁of ▁the ▁ 6 - 7 1 ▁engine ▁brand ed ▁" Y a A Z - 2 0 6 " ▁in ▁the ▁Ya A Z ▁ 2 0 0 ▁/ ▁ 2 1 0 ▁/ ▁ 2 1 4 ▁series ▁of ▁heavy ▁tr uck s ▁built ▁from ▁ 1 9 4 7 ▁to ▁ 1 9 6 0 . ▁Production ▁was ▁transferred ▁to ▁Kr A Z