Comparing: T1E6 vs. T7 Combat Car

Experimental vehicles T1E4 through T1E6 were heavily influenced by the British Vickers E. The first prototype was manufactured by the Cunningham corporation in 1931. After trials in 1932, an upgraded variant was built. However, a different experimental tank, the T2, was preferred.

Light wheeled caterpillar vehicle with machineguns, developed for the U.S. cavalry. The trials of the first prototype started in April 1937 and continued until 1939. However, the T7 was discontinued in favor of track-type vehicles.