With the M26 Pershing the American army had a competitor to the Tiger I and Panther series of tanks but nothing comparable to the Tiger II. A heavy tank was developed on a lengthened and up-armored Pershing Chassis, and a 105mm gun was fitted as the T29 Heavy Tank. Later it was decided to put a 155mm gun on the design and this was the T30. The T30 had a more powerful engine than the T29 …
