howitzer Type 3 Chi-Nu – improved Chi-Ha hull fitted with large new hexagonal turret with Type 3 75 mm tank gun Short Barrel 120 mm gun tank (1945) – 120 mm naval gun in a Type 97 Shinhoto Chi-Ha turret on a Chi-Ha hull, for infantry support Long Barrel 120 mm SPG (1945) – 120 mm naval gun on a Chi-Ha hull – prototype only Type 5 Ho-Chi SPG – (design study), Chi-Ha hull fitted with a Type 96 15 cm howitzer Type 1 Chi-He – major improvement of the Chi-Ha series with a more powerful engine, thicker armor and using the Type 1 47 mm tank gun Ta-Ha SPAAG – (design study), Type 1 Chi-He hull with twin 37 mm anti-aircraft guns Type 98 Chi-Ho (also known as Type 98 experimental medium tank) – prototype with an enlarged turret and the then "experiential" Type 1 47 mm tank gun O-I (1940), 100-ton tank (design study) O-I (1943), 120-ton tank (prototype) Type 4 Chi-To (2 completed) – up-scaled Type 97 Shinhoto Chi-Ha with Type 5 75 mm tank gun Type 5 Ka-To tank destroyer (unfinished prototype) – Extended Type 4 Chi-To hull fitted with a 105 mm cannon Type 5 Chi-Ri – (unfinished prototype) to be fitted with Type 5 75 mm tank gun and later to be up-gunned with an 88 mm main gun Type 5 Ho-Ri tank destroyer (unfinished prototype) – Type 5 Chi-Ri hull fitted with a 105 mm cannon Type 5 Ke-Ho (prototype) – intended to be successor of Type 95 Ha-Go Type 5 Na-To (tank destroyer) – Type 5 75 mm tank gun on a chassis of a Type 4 Chi-So medium tracked carrier Self-propelled guns Tank-based Other Armored cars Armored carriers Type 94 Disinfecting Vehicle and Type 94 Gas Scattering Vehicle Type 97 Disinfecting Vehicle and Type 97 Gas Scattering Vehicle Type 98 So-Da armored ammunition carrier Type 100 Te-Re armored artillery observation vehicle Type 1 Ho-Ki armored personnel carrier Type 1 Ho-Ha half-track Type 4 Chi-So armored medium tracked carrier Type 4 Ka-Tsu armoured tracked resupply transport and amphibious torpedo craft Experimental light armored ATG carrier "So-To" Armored trains Improvised Armored Train Special armoured train Type 94 Armored Train Railroad vehicles Wagons Wagon-1 Reconnaissance wagon Wagon-1 Protective wagon Wagon-2 Heavy Canone wagon Wagon-3 Light Canone wagon Wagon-4 Infantry wagon Wagon-5 Command wagon Wagon-6 Auxiliary tender Wagon-7 Materials wagon Wagon-7 Power Supply wagon Wagon-8