# List of aircraft engines used by the Imperial Japanese Army Air Service

This is a list of aircraft engines used by the Imperial Japanese Army Air Force.

## Foreign aircraft engines

Engines acquired before the conflict, provided from Axis allies, or captured during the war.
* ADC Cirrus Hermes IV (130 hp)
* Allison V-1710-39 (1,150 hp)
* Argus As 10C (240 hp)
* Argus As 109-014 (300 kg thrust)
* Armstrong Siddeley Jaguar IVC (400 hp)
* BMW VI (750 hp)
* BMW IX (500-800 hp)
* BMW 132E (660 hp)
* BMW 132K (900 hp)
* BMW 801D-2 (1,700 hp)
* BMW 801E (1,900 hp)
* BMW 109-003E-1 (800 kg thrust)
* BMW 109-003E-2 (800 kg thrust)
* Bramo 323R-2 Fafnir (1,200 hp)
* Bristol Jupiter VI (390 hp)
* Bristol Jupiter VII (500 hp)
* Bristol Mercury VIS2 (640 hp)
* Daimler-Benz DB 600G (960 hp)
* Daimler-Benz DB601 Modified Water Cooled Engine (1,550 hp)
* Daimler-Benz DB 601Aa (1,175 hp)
* Daimler Benz DB 601F (1,350 hp)
* Fiat A.80 R.C.41 (1,000 hp)
* Hirth HM 504A-2 (105 hp)
* Hirth HM 508H (240 hp)
* Hispano-Suiza 12Xcrs (690 hp)
* Junkers Jumo 205C-4 (660 hp)
* Junkers Jumo 210C (600 hp)
* Junkers Jumo 210Ca (640 hp)
* Junkers Jumo 210G (700 hp)
* Junkers Jumo 210Ea (680 hp)
* Junkers L5 (280 hp)
* Klimov M-103 (960 hp)
* Klimov M-105PF (1,210 hp)
* Lorraine-Dietrich 12Eb (450 hp)
* Lorraine 12Hfrs Petrel (780 hp)
* Lorraine 12Hgrs Petrel (780 hp)
* Menasco L-365-1 (125 hp)
* Pratt & Whitney R-1690-C (600 hp)
* Pratt & Whitney R-1830-92 (1,200 hp)
* Pratt & Whitney R-2800-10 of (2,000 hp)
* Rolls-Royce Kestrel V (608 hp)
* Shvetsov M-25V (750 hp)
* Shvetsov M-62 (1,000 hp)
* Shvetsov M-62R (1,000 hp)
* Wright SGR-1820-F52 (760 hp)
* Wright R-1820-102 (900 hp)
* Wright R-1820-G2 Cyclone (850 hp)
* Wright R-1820-G3B (900 hp)
* Wright R-1820 Cyclone 9 (1,200 hp)
* Wright R-1820-40 (1,200 hp)
* Wright R-1820-44 (1,000 hp)
* Wright SGR-1820-F52 (760 hp)
* Wright R-3350-23 Cyclone 18 (2,000 hp)

## Japanese aero-engine designations

| Manufacturer | Army exp. | Army long | Navy exp. | Navy Name | Manuf desig. | Unified | Notes |
| Nakajima | Ha-1 | Army Type 97 650hp Air-cooled Radial | | Kotobuki (寿, longevity) | AH | | License-built Bristol Jupiter |
| Mitsubishi | Ha-2 | Army Type 93 700hp Water Cooled In-line | | | | | |
| Nakajima | Ha-5 | Army Type 97 825hp Air Cooled Radial | | | NAL | | |
| Mitsubishi | Ha-6 | | MK1 | Shinten (震天, progress) | A6(7) | | 14 cyl. radial |
| Nakajima | Ha-8 | Army Type 94 550hp Air Cooled Radial | | Hikari (光, light) | NAP | | |
| Kawasaki | Ha-9 | Army Type 98 850hp Liquid Cooled In-line | | | | | License-built BMW VI |
| Hitachi | Ha-12 | Army Type 95 150hp Air Cooled Radial | | | | | |
| Hitachi | Ha-13 | Army Type 95 350hp Air Cooled Radial | | | | | |
| Hitachi | Ha-13a | Army Type 98 450hp Air Cooled Radial | | | | | |
| Nakajima | Ha-25 | Army Type 99 975hp Air Cooled Radial / Army Type 99 950hp Air Cooled Radial | NK1B/C | Sakae (栄, prosperity) | NAM | Ha-35 | |
| Mitsubishi | Ha-26 | Army Type 99 900hp Air Cooled Radial | MK2 | Zuisei (瑞星, holy star) | A14 | Ha-31 | |
| Hitachi | Ha-38 | | | | | | 600 hp 9-cyl radial |
| Nakajima | Ha-39 | | | | | | |
| Kawasaki | Ha-40 | Army Type 2 1,100hp Liquid Cooled In-line | | | | Ha-60 | License built Daimler DB601A |
| Nakajima | Ha-41 | Army Type 100 1,250hp Air Cooled Radial | NK5 | | | Ha-34 | |
| Hitachi | Ha-42 | | | | | | 9-cyl radial |
| Nakajima | Ha-45 | Army Type 4 1,900 hp Air-cooled Radial | NK9 | Homare (誉, honour / praise) | NBA | Ha-45 | |
| Hitachi | Ha-47 | Army Type 4 110hp Air Cooled Inline | GK4 | Hatsukaze (初風, fresh wind) | | Ha-11 | License-built Hirth HM 504 |
| Mitsubishi | Ha-101 | Army Type 100 1,450hp Air Cooled Radial | MK4 | Kasei (火星, Mars) | A10 | Ha-32 | |
| Mitsubishi | Ha-102 | Army Type 100 1,050hp Air Cooled Radial | MK2 | Zuisei (瑞星, holy star) | A14 | Ha-31 | |
| Nakajima | Ha-103 | | NK7A | Mamoru (護, protector) | NAK | Ha-36 | |
| Mitsubishi | Ha-104 | Army Type 4 1,900hp Air Cooled Radial | | | | Ha-42 | 18-cylinder version of Ha-101 |
| Nakajima | Ha-105 | | | | | | |
| Nakajima | Ha-109 | Army Type 2 1,450hp Air Cooled Radial | NK5 | | | Ha-34 | |
| Mitsubishi | Ha-111 | Army Type 100 1,450hp Air Cooled Radial | MK4 | Kasei (火星, Mars) | A10 | Ha-32 | |
| Mitsubishi | Ha-112 | Army Type 4 1,500hp Air Cooled Radial | MK8 | Kinsei (金星, Venus) | A8 | Ha-33 | Pratt & Whitney R-1690 Hornet development |
| Nakajima | Ha-115 | Army Type 1 1,150hp Air Cooled Radial | NK1F | Sakae (栄, prosperity) | | | |
| Nakajima | Ha-117 | | | | BD | Ha-47 | |
| Mitsubishi | Ha-118 | | MK11A | | | | |
| Kawasaki | Ha-140 | | | | | | liquid-cooled V-12 |
| Nakajima | Ha-145 | | | | | | |
| Kawasaki | Ha-201 | | | | | Ha-72 | coupled Ha-40 engines |
| Mitsubishi | Ha-211 | | MK9 | | A20 | Ha-43 | |
| Mitsubishi | Ha-214 | | MK10 | | | | |
| Nakajima | Ha-219 | | NK11A | | BH | Ha-44 | |
| Nakajima | Ha-315 | | | | | | |
| Nakajima | Ha-505 | | | | D-BH | Ha-54 | projected 5,000 hp 36-cyl radial engine |
| Aichi | | | AE1 | | Atsuta | | license-built Daimler DB 601A |
| Aichi | | | | | | Ha-70 | Coupled Atsuta engines |
| Hiro | | Hiro Type 14 500 hp Water Cooled W-12 | | | Type 14 | | |
| Hiro | | Hiro Type 90 600 hp Water Cooled W-12 | | | Type 90 | | 500 hp W-12 (Lorraine 12F Courlis development) |
| Hiro | | Hiro Type 91 520 hp Water Cooled W-12 | | | Type 91 | | 500 hp W-12 (Lorraine 12Eb development) |
| Hiro | | Hiro Type 94 900 hp Liquid Cooled In-line | | | Type 94 | | |
| Hitachi / Gasuden | | | | breeze (端風, Hatakaze) | | | |
| Hitachi / Gasuden | | | | encampment wind (陣 風, Jimpu) | | | 150 - 160 hp 7 cyl. radial |
| Hitachi / Gasuden | | | | | divine wind (神風, Kamikaze) | | 160 hp 7-cyl. radial |
| Hitachi | | | GK2 | heavenly wind (天風, Amakaze) / heavenly father (天父, Tempu) | | | |
| Hitachi | | | | | | Ha-23 | 4-cyl inverted in-line |
| Ishikawajima Shibauru Turbine Company / Yokosuka (Kugisho) | | | | | Ne-20 | | turbojet |
| Ishikawajima Shibauru Turbine Company | | | | | Ne-30 | | turbojet |
| Ishikawajima Shibauru Turbine Company | | | | | Ne-130 | | turbojet |
| Kawasaki | | Army Type 95 800hp Liquid Cooled In-line | | | | | liquid-cooled V-12 (BMW VI) |
| Maru Industries | | | | | Ka10 | | license-built Argus As 014 pulsejet |
| Mitsubishi | | | | | A2 | | 320 hp |
| Mitsubishi | | | | | A4 | | 760 hp |
| Mitsubishi | | | | | A9 | | |
| Mitsubishi | | Army Type 92 400hp Air Cooled Radial | | | A5 | Ha-33 | |
| Mitsubishi | | | | | Ne-330 | | turbojet |
| Mitsubishi | | | | | Tokuro-1 Ro.1 | | |
| Mitsubishi | | Army Type 3 Rocket | KR10 | | Tokuro-2 Ro.2 | | license-built Walter HWK 509 |
| Mitsubishi | | Army Type 2 Rocket | | | Tokuro-3 Ro.3 | | |
| | | | | | Ne-12 | | turbojet |
| Nakajima - Hitachi | | | | | Ne-230 | | turbojet |
| Ishikawajima | | | | | Tsu-11 | | Motorjet |
| | | Navy Type 4 Model 1 solid fuel rocket | | | | | |
| Kobe | | | | | Argus As 10 | | |