R-2800-22W - 2,400 hp (1,789 kW) R-2800-25 - 2,000 hp (1,490 kW) — for Northrop P-61 Black Widow R-2800-27 - 2,000 hp (1,491 kW) R-2800-30W ("E" Series) - 2,250 hp (1,677 kW) R-2800-31 - 2,000 hp (1,491 kW) R-2800-32W ("E" Series) - 2,450 hp (1,827 kW), 2,850 hp (2,125 kW) with water-methanol injection R-2800-34 - 2,100 hp (1,567 kW) R-2800-34W - 2,100 hp[24] (1,567 kW), 2,400 hp (1,789 kW) with water-methanol injection R-2800-39 - 2,000 hp (1,491 kW) R-2800-41 - 2,000 hp (1,491 kW) R-2800-43 - 2,000 hp (1,491 kW) R-2800-44 - 2,300 hp (1,700 kW) R-2800-44W - 2,400 hp (1,789 kW) R-2800-48 - 2,500 hp (1,890 kW) R-2800-48W - 2,400 hp (1,789 kW) R-2800-51 - 2,000 hp (1,491 kW) R-2800-54 - 2,100 hp (1,567 kW) R-2800-57 - 2,800 hp (2,090 kW) R-2800-57C - 2,800 hp (2,090 kW) R-2800-59W - 2,500 hp (1,890 kW) R-2800-65 - 2,000 hp (1,491 kW) R-2800-65W - 2,250 hp (1,677 kW) R-2800-71 - 2,000 hp (1,491 kW) R-2800-73 - 2,800 hp (2,090 kW) — with General Electric CH-5 turbocharger for P-61C Black Widow R-2800-75 - 2,200 hp (1,640 kW) R-2800-77 - 2,800 hp (2,090 kW) R-2800-79 - 2,000 hp (,1491 kW) R-2800-83 - 2,100 hp (1,567 kW) R-2800-83AM - 2,100 hp (1,567 kW) R-2800-99W - 2,300 hp (1,700 kW) R-2800-103W - 2,500 hp (1,890 kW) R-2800-2SB-G - 1,850 hp (1,379 kW) R-2800-CB16 - 2,400 hp (1,789 kW), 2,500 hp (1,890 kW) R-2800-CB17 - 2,500 hp (1,890 kW) R-2800-S1A4-G - 1,850 hp (1,379 kW) R-2800-S1C3-G - 2,100 hp (1,567 kW)