But only 2 Ki-43 III otsu produced by Nakajima...Actually I want Gaijin gives us the Nakajima Ki-44 III(A single prototype built, powered by a Ha-145 two-row 18-cylinder engine of 1,491 kW ;2,000 hp)Ki-44 III ko has 4 20mm Ho-5 cannons and Ki-44 III otsu has 2 20mm Ho-5 and 2 37mm Ho-203 cannons.