R-1535-11 - 750 hp (559 kW) R-1535-13 - 750 hp (559 kW), 825 hp (615 kW) R-1535-44 - 625 hp (466 kW) R-1535-72 - 650 hp (485 kW) R-1535-94 - 825 hp (615 kW) R-1535-96 - 825 hp (615 kW) R-1535-98 - 700 hp (521 kW) R-1535-SB4-G - 825 hp (615 kW)