The Panzer 4 (SdKfz 161) was a German assault and infantry support tank of the Second World War. It was initially armed with a low velocity, short-barrelled 75 mm gun and two 7.92 mm calibreMG34 machine-guns. Later versions carried longer guns. It was manned by a crew of five. Powered by a Maybach HL 120 TRM 12-cylinder petrol engine the Panzer 4 had a top speed of 38 kmh and a range of 200 km. Research Panzer 4