gun (Type 92 battalion gun) Anti-tank guns Type Ra 37 mm AT gun (German 3.7 cm Pak 36 captured from Chinese) Type 94 37 mm anti-tank gun Type 1 37 mm anti-tank gun – same as Type 94 but with a longer barrel – a prototype tested in 1937–1938 Type 1 47 mm anti-tank gun – prototype tested in 1941–1943, cancelled because of the appearance of Allied heavy tanks. Anti-tank weapons (besides anti-tank guns) Type 97 automatic cannon Type 99 mine Type 93 Pressure Anti-Tank/personnel mine Type 2 rifle grenade launcher Type 3 AT grenade Lunge mine 57 mm tank cannon 37 mm tank cannon Type 5 45 mm Recoilless gun Type 4 70 mm AT Rocket Launcher Anti-aircraft weapons Occasional anti-aircraft guns Type 97 automatic cannon Type 11 light machine gun Type 96 light machine gun Type 99 light machine gun Type 92 heavy machine gun Type 1 heavy machine gun 37mm high elevation angle gun modified Type 38 75 mm field gun Light anti-aircraft guns Type 3 heavy machine gun Type 4 heavy machine gun 13.2 mm Hotchkiss machine gun – used in independent machine gun companies Type 98 20 mm AA machine cannon Type 98 20 mm AA half-track vehicle "Ko-Hi" 20 mm Anti-Aircraft Tank "Ta-Se" Type 4 20 mm twin AA machine cannon Type 2 20 mm AA machine cannon Type 2 20 mm twin AA machine cannon Type 98 20 mm AAG Tank with Type 98 Ke-Ni hull Type 96 25 mm AT/AA Gun – main IJN gun, over 30,000 units produced 70/81mm AA mine discharger Medium & heavy anti-aircraft guns Vehicles Tankettes Carden Loyd Mk.VI Type 92 heavy armoured car (also known as Jyu-Sokosha Type 92 cavalry tank) Type 94 tankette "TK" Type 97 Te-Ke – improvement of Type 94 "TK" (armed with Type 98 20 mm AA machine cannon) Model 94 3/4 ton tracked trailer – towed by tankettes Amphibious tanks Type 92 A-I-Go (experimental, modified hull of Type 92 heavy armoured car) Type 1 Mi-Sha (a/k/a Type 1 Ka-Mi) (experimental) Type 2 Ka-Mi (modified hull of Type 95 Ha-Go) Type 3 Ka-Chi (modified hull of Type 1 Chi-He) Type 4 Ka-Sha (Type 4 Chi-To or Type 5 Chi-Ri with floats – planned only) Type 5 To-Ku (modified hull of Type 5 Chi-Ri) Note: Amphibious tanks were used by the IJN. Tanks and related vehicles Tank Mk IV – British World War I