Okay, as I understand it there was: Mark V, Mark V*, Mark VIII, Ford 3ton, M1917, FT17, and Steam Tank, Holt Gas Electric Tank, Caterpillar Tank (which might have been only a movie mock up), Tiny Holt Rhombus Tank, Skeleton Tank, Studebaker Tank, Best 75 Tracklayer, Holt 3 Wheeled Steam Tank, Holt Tra...
