kW (1,230 hp)2 × 170 L (45 gal) drop tanks (~3 hour full-throttle endurance)Ki-43-IIIa (Mark 3a)Series modelKi-43-IIIb (Mark 3b)Variant armed with 20 mm cannons.Ki-62 ProjectAdvanced interceptor version of Nakajima Ki-43 with a powerful engine and armed with 30 mm (1.18 in) or 40 mm (1.57 in) cannons. Devildog73 Semper Fi "Earned