During of the WWII the Red Army, having a large amount of tanks, had few modifications of tractors repair machines. The repair retriever was created on the base of tank T-34-85...During of the WWII the Red Army, having a large amount of tanks, had few modifications of tractors repair machines. The repair retriever was created on the base of tank T-34-85. Before the May 9th 1945, about 22000 of T-34-85 had been manufactured and more than 52000 T-34 of different modifications were built.