Most passing military enthusiasts are surely familiar with the White halftrack, but it appears White also built a scout car version with four wheels instead of bogies at the back. White, Corbitt and Marmon-Herrington all seemed to have worked to develop such a scout car at around the same time, but White's design, which eventually became the M3A1 in 1939, triumphed.

According to Crismon, White built more than 20,000 M3A1s from 1940 through 1944, weighing in at more than 8,500 pounds and powered either by the 110hp 320-cu.in. Hercules gasoline engine or by a 78hp 317-cu.in. Buda diesel engine. Armor plate ranged from 1/4-inch to 1/2-inch in thickness.

Read the Whole Article