R-1690-3 525 hp (392 kW) R-1690-5 525 hp (392 kW) R-1690-11 775 hp (578 kW) R-1690-13 625 hp (466 kW) R-1690-S5D1G 700 hp (522 kW) R-1690-52 750 hp (559 kW) R-1690-SDG R-1690-S1EG 750 hp (559 kW) R-1690-S2EG R-1690-25 850 hp (634 kW) R-1690-S1C3G 1,050 hp (780 kW) Fiat A.59 R. Licence built in Italy with reduction gearing. Fiat A.59 R.C. Licence built in Italy with reduction gearing and supercharger. BMW Hornet Licence production of the Hornet in Germany, independently developed as the BMW 132.