Limited Edition GREEN MACHINE Chase Piece 1967 Ford Bronco Blue & Small Cargo Trailer Hitch & Tow Series 2 From Greenlight Collectibles Hitch & Tow 1967 Ford Bronco Blue & Small Cargo Trailer Hitch & Tow Series 2 1/64 Scale; Die-Cast Metal Chassis Limited Edition: Green Machine WHAT IS A GREEN MACHINE? Only two percent of the cars from each production run are Green Machine versions. GreenLight includes them in every scale it produces: 1:64, 1:24, and 1:18. To put that in perspective, if GreenLight runs 5,000 pieces of a blue 1:64-scale 1964 Plymouth Fury, 100 of those will be Green Machines.