Guns7,5 cm KwK 40 L/487,5 cm KwK 40 L/487,5 cm KwK 40 L/48Caliber75 mmBarrel length48 calibersVehicles 4193719381939194019411942194319441945Panzer IV Ausf. G (L/48)519≈ Jul 1943 – May 1945Panzer IV Ausf. H2,324≈ Jul 1943 – May 1945≈ Dec 1943 – May 1945≈ Jun 1944 – May 1945≈ Apr 1944 – Feb 1945≈ Apr 1944 – May 1945≈ Sep 1944 – Nov 1944Panzer IV Ausf. J3,177≈ Jul 1944 – May 1945Jun 1944 – May 1945Panzerbefehlswagen IV17