The 4.7cm Pak (t) (Sf) auf PzKpfw I Ausf Balso known as Panzerjager was a self propelled anti tank vehicle , 202 of which were used by the germans between 1940 and 1943. The vehicle was manned by a crew of 3 and was 2.08 metres wide, 4.46 metres long, 2.26 metres high and weighed 6.4 tonnes. Powered by a 100hp petrol engine the 4.7cm Pak (t) (Sf) auf PzKpfw I Ausf B was capable of a road speed of 25mph and a cross country speed of 11mph. The 4.7cm Pak (t) (Sf) auf PzKpfw I Ausf B had a road range of 87 miles Based on the pzkpfw i chassis, the vehicle was armed with a 4.7cm Pak 36(t) L/43.2 AP with a muzzle velocity of 775m/sec which was capable of penetrating 53mm of armour at 800metres