 It was powered by a 128 horsepower ( 95 kW ) White 160AX 386 cubic inch ( 6 @,@ 300 cc ) 6 @-@ cylinder gasoline engine . It had a compression ratio of 6 @.@ 3 : 1 and a 60 US gallon ( 230 l ) fuel tank . It could reach a top speed of 41 @.@ 7 mph ( 67 @.@ 1 km / h ) and a range of 175 miles ( 282 km ) and a power to weight ratio of 15 @.@ 8 horsepower per tonne . It had a main armament of four 0 @.@ 5 in ( 12 @.@ 7 mm ) machine guns in a M45 Quadmount and 12 millimeters of armor on the front and the sides . 
