The PzKpfw III Ausf B was a medium tank , 15 of which were used by the germans between 1937 and 1940. The vehicle was manned by a crew of 5 and was 2.81 metres wide, 5.67 metres long, 2.39 metres high and weighed 15.9 tonnes. Powered by a 230hp petrol engine the PzKpfw III Ausf B was capable of a road speed of 25mph and a cross country speed of 11mph. The PzKpfw III Ausf B had a road range of 103 miles Based on the pzkpfw iii chassis, the vehicle was armed with 3 light machine guns, a 3.7cm KwK 35/36 L/45 AP with a muzzle velocity of 745m/sec which was capable of penetrating 32mm of armour at 800metres