Kawanishi H6K - Variants

Variants

H6K1

Evaluation prototypes with four Nakajima Hikari 2 engines, 4 built.

H6K1 (Navy Flying Boat Type 97 Model 1)

Prototypes with 746 kW 1,000 hp Mitsubishi Kinsei 43 Engines, 3 converted from the original H6K1 prototypes.

H6K2 Model 11

First production model. Includes two H6K2-L officer transport modification, 10 built.

H6K2-L (Navy Transport Flying Boat Type 97)

Unarmed transport version of H6K2 powered by Mitsubishi Kinsei 43 engines, 16 built.

H6K3 Model 21

Modified transport version of H6K2 for VIPs and high-ranking officers, 2 built.

H6K4 Model 22

Major production version, modified H6K2 with revised weapons, some with 694 kW (930 hp) Mitsubishi Kinsei 46 engines. Fuel capacity increased from 7,764 L (1,708 Imp gal) to 13,410 L (2,950 Imp gal). Includes two H6K4-L transport versions, 100 to 127 (if other numbers are all correct) built.

H6K4-L

Transport version of H6K4, similar to H6K2-L, but with Mitsubishi Kinsei 46 engines, 20 built and another two converted from the H6K4.

H6K5 Model 23

Fitted with 969 kW (1,300 hp) Mitsubishi Kinsei 51 or 53 engines and new upper turret replacing the open position, 36 built.