Earth working, construction, and industrial equipment, particularly scrapers, sheeps foot rollers, push graders, bulldozing machines, push dozers, cranes, power control units (winches), sub surface rippers, tree uprooters, house forms, being equipment comprising and including: (a) a tractor (b) a wheel-supported trailer yoke, (c) a vertically liftable form unit suspended in the yoke, tractors, and combined tractor and implement units including self-propelled scrapers, self-propelled portable cranes,