This tank was a heavy type of tank. It was planned by America to design a heavy tank to counter the new German heavy tanks. But the T29 was not ready in time for the war in Europe, but it did provide post-war engineers with opportunities for testing the engineering concepts in artillery and automotive components.
If you talk about its specification... Weight 141,500 lbs (64.2 metric tons) combat loaded Length 37 ft 11.5 in (11.57 m) gun forward, 32 ft 9 in (10 m) gun aft Width 12 ft 5.5 in (3.80 m) over sand shields Height 10 ft 6 in (3.20 m) over cupola Crew 6 (driver, commander, gunner, loader {left}, loader {right})