Comparing: AC 4 Experimental vs. M4A3E2 Sherman Jumbo

The tank was developed in 1943. An order was placed for 400 vehicles. The prototype was created on the basis of the AC 1 tank with an enlarged superstructure, which allowed mounting a modified turret from the AC 3 tank with a 17-pounder gun. In July 1943, the work on the project was stopped at the final stage, as the program for creating the Australian cruiser tank was discontinued.

The heavy-armored assault variant of the M4A3(75)W. The vehicle featured additional 38-mm armor plates, enhanced transmission compartment hatch, and a new turret with enhanced armor that was developed on the basis of the T23 turret.