Caterpillar CAT D7C Track Type Tractor (Circa 1955-1959) and CAT D7E Electric Drive Track Type Tractor (Current) with Operators Evolution Series Set of 2 Pieces 1/50 Diecast ModelsMade by Diecast Masters America, 150 Evolution Series High Detail cAT D7E & D7c Track-Type Evolution Series models are m..