Panzer I it still performed much useful service against entrenched infantry and other "soft" targets, which were unable to respond even against thin armor, and who were highly vulnerable to machine gun fire. The small, vulnerable light tank, along with its somewhat more powerful successor the Panzer II, would soon be surpassed as a front-line armoured combat vehicle by more powerful German tanks, such as the Panzer III, and later the Panzer IV, Panzer V, and Panzer VI; nevertheless, the Panzer I's contribution to the early victories of Nazi Germany during World War II was significant. Later in that war the turrets
Panzer 38(t) roadwheel. This enabled the fueltanks to be upgraded from 190 litres to 230 litres. Only 104 got delivered when production ended in March 1944; the last 18 chassis were built as the assault gun "sav m/43" instead. Another 18 sav m/43 were purpose built. At the end of the 1950s, 220 SI & SII were converted to Pansarbandvagn 301 armoured personnel carriers and the turrets used for airbase defences. The Panzer 38(t) performed well in the Polish Campaign in 1939 and the Battle of France in 1940. It was better armed than the Panzer I and Panzer II tanks. It