T58 was a prototype developed in USA in mid-50s as a response to the latest Soviet heavy tanks of the early Cold War era. The T58 was a further development of the M103 heavy tank, with an experimental oscillating turret installed with a 155 mm gun and a drum autoloader. The concept was borrowed from contemporary French tanks, particularly the AMX-50 series. However, due to a shift in U.S. military doctrine regarding the heavy tanks, the T58 ever passed the prototype stage, and the project was canceled in 1957.

The T58 features a 7.62 mm coaxial machine gun and powerful 155 mm gun that has a drum-style autoloader with six-rounds in the magazine. This gun can fire HEAT and HESH shells. Additionally, the T58 is equipped with a 12.7 mm AA machine gun.