Specifications

General characteristics
- Type: 14-cylinder air-cooled twin-row radial engine
- Bore: 140 mm {5.5 in)
- Stroke: 150 mm (5.92 in)
- Displacement: 32.3 L (1,970 cu in)
- Length: 64.8 in (1,646 mm)
- Diameter: 47.9 (1,218 mm)
- Dry weight: 545 kg (1,200 lb)

Components
- Valvetrain: Overhead valve, one inlet and one exhaust valve per cylinder, pushrod operated.
- Supercharger: Centrifugal, single speed.
- Oil system: Triple section pump, one pressure pump, two scavenge pumps.
- Cooling system: Air-cooled
- Reduction gear: Planetary gear, 0.7:1 ratio.

Performance
- Power output: 1,075 hp (802 kW) at 2,500 rpm at 2,000 m (6,560 ft) maximum.
- Specific power: 0.56 hp/cu in (24.8 kW/L)
- Compression ratio: 6.6:1
- Power-to-weight ratio: 0.9 hp/lb (1.5 kW/kg)

Variants
- Kinsei-3 - 910 hp
- Kinsei-41 - 1,075 hp
- Kinsei-42 - 1,075 hp
- Kinsei-43 - 1,000 hp, 1,080 hp
- Kinsei-44 - 1,000 hp, 1,075 hp
- Kinsei-45 - 1,075 hp
- Kinsei-46 - 1,070 hp
- Kinsei-48 - 1,080 hp
- Kinsei-51 - 1,300 hp
- Kinsei-53 - 1,300 hp
- Kinsei-54 - 1,200 hp, 1,300 hp
- Kinsei-62 - 1,560 hp

Applications

- Aichi D3A "Val" - Aichi E13A "Jake" - Aichi E16A "Paul" - Douglas L2D2-L2D5 - Kawanishi H6K "Mavis" - Kawasaki Ki-100

- Kawasaki Ki-102 "Randy" - Mitsubishi A6M8 - Mitsubishi B5M "Mabel" - Mitsubishi G3M "Nell" - Mitsubishi Ki-46 "Dinah" - Yokosuka D4Y3-D4Y4 "Judy"

Source:
Gunston, Bill. World Encyclopaedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
Jane's Fighting Aircraft of World War II. London. Studio Editions Ltd, 1989. ISBN 0-517-67964-7