Got to have this tank in here. It may have terrible armor but better than m8, but we need this since we dont have a american tank since firefly doesn't count.
Primary
armament 1× 76 mm (76.2 mm) M1A1 gun
45 rounds
Secondary
armament 1× .50 cal M2HB machine gun
800 rounds
Engine Continental R-975-C4, 9-cylinder, radial piston gasoline engine
340 hp (253 kW)
Power/weight 18.9 hp/tonne
Suspension Torsion bar
Weight 17.7 tonnes (39,000 lb)
Length 6.68 m (21.9 ft) (with gun)
5.28 m (17.3 ft) (without gun)
Width 2.87 m (9.4 ft)
Height 2.57 m (8.4 ft) Speed 55mph.The M18 continued in production until October 1944, when the war was nearing its end. 2,507 had been produced by that time.For additional information on the m18 go to website.
http://www.onwar.com/tanks/usa/ftdm18.htm