History Brief
The type 97 medium tank Chi-Ha, designed in 1936, was the most widely produced Japanese medium tank of WW II. Its turret was fashioned with 26-mm thick armor sides and 33-mm on its gun shield. Its 57-mm main gun had already been proven in the early model Type 89 medium tank. It also sported a pair of 7.7-mm machine guns. Powered by a 170-hp Mitsubishi diesel it had a top speed of about 23-24 mph. Weighing in at 17.4 tons [US], it was the most effective medium tank the Japanese had.