| Engine name | manufacturer | configuration | cylinders |
|---|---|---|---|
| Ha-101 | Mitsubishi | Radial | 14 |
| Ha-104 | Mitsubishi | Radial | 18 |
| Ha-109 | Nakajima | Radial | 14 |
| Ha-115-II | Nakajima | Radial | 14 |
| Ha-2-II | Mitsubishi | V | 12 |
| Ha-2-III | Mitsubishi | V | 12 |
| Ha-201 | Kawasaki | V | 24 |
| Ha-25 | Nakajima | Radial | 14 |
| Ha-40 | Kawasaki | V | 12 |
| Ha-41 | Nakajima | Radial | 14 |
| Ha-42 | Hitachi | Radial | 9 |
| Ha-43 | Mitsubishi | Radial | 18 |
| Ha-43-12 | Mitsubishi | Radial | 18 |
| Ha-5 | Nakajima | Radial | 14 |
| Ha-5-KAI | Nakajima | Radial | 14 |