Model Variants (Including Prototypes)
Ki-46 - Prototype Model Designation
Ki-46 I Type 100 - Reconnaissance Version based on the Army Type 100, or Mark I.
Ki-46 II (Mark 2) - Initial Production Model Designation.
Ki-46 II KAI - Trainer Model; seating for three personnel; based on the Ki-46 II.
Ki-46 III - Prototype Model Designation for improved Ki-46 model series; also serves as designation for Reconnaissance Model based on the Army Type 100, also known as the Mark III.
Ki-46 III KAI - Heavy Fighter / Interceptor Model based on the Army Type 100 model; fitted with 2 x 20mm cannons and 1 x 37mm cannon.
Ki-46 III - Strike Fighter Variant based on Army Type 100 sans 37mm cannon.
Ki-36 IIIb - Dedicated Ground Attack Model
Ki-46 IIIc - Proposed Model; unfinished.
Ki-46 IV - Prototype Model; fitted with 2 x Mitsubishi Ha-112-II RU series engines of 1,500 horsepower; increased fuel capacity; turbocompressor optimized.
Ki-46 IVa/b - Unfinished Reconnaissance/Fighter Platforms.