| R-1820B: 575 hp |
| R-1820-22: 950 hp (708 kW) |
| R-1820-33: 775 hp (578 kW) |
| R-1820-39: 930 hp (693 kW) |
| R-1820-45: 930 hp (693 kW) |
| R-1820-51: 1,000 hp (745 kW) w/turbocharger |
| R-1820-53: 1,000 hp (745 kW) w/turbocharger |
| R-1820-54: 900 hp (671 kW) |
| R-1820-65: 1,200 hp (895 kW) w/turbocharger |
| R-1820-66: 1,350 hp (1007 kW) |
| R-1820-76A: 1,425 hp (1063 kW) |
| R-1820-77: 870 hp (649 kW) |
| R-1820-80: 1,495 hp (1100 kW) |
| R-1820-82WA: 1,525 hp (1137 kW) |
| R-1820-84: 1,425 hp (1063 kW) |
| R-1820-86: 1,425 hp (1063 kW) |
| R-1820-87: 1,200 hp (895 kW) |
| R-1820-97: 1,200 hp (895 kW) w/turbocharger |
| R-1820-103: 1,425 hp (1063 kW) |