Production versions ,
Munich 's He 219 fuselage, with its Heinkel-specific DB 603
Kraftei unitized engines to lower right •
DB 603A, rated altitude of 5.7 km, B4 fuel :Power (take-off): 1750 PS (1726 hp, 1287 kW) at 2700 rpm at sea level :Combat power: 1580 PS (1558 hp, 1162 kW) at 2500 rpm at sea level •
DB 603AA DB 603A with an improved supercharger, rated altitude of 7.3 km, B4 fuel :Power (take-off): 1670 PS (1647 hp, 1228 kW) at 2700 rpm at sea level :Combat power: 1580 PS (1558 hp, 1162 kW) at 2500 rpm at sea level •
DB 603E rated altitude of 7.0 km, B4 fuel :Power (take-off): 1800 PS (1775 hp, 1324 kW) at 2700 rpm at sea level :Combat power: 1575 PS (1553 hp, 1158 kW) at 2500 rpm at sea level
Prototypes and other versions •
DB 603D, a DB 603A with propellers rotating counter-clockwise; production unknown •
DB 603F, a DB 603E with propellers rotating counter-clockwise; production unknown •
DB 603G (production cancelled) :Power (max): 1900 PS (1874 hp, 1397 kW) at 2700 rpm at sea level :Combat power: 1560 PS (1539 hp, 1147 kW) at 2700 rpm at sea level •
DB 603L/LA (prototype with two-stage supercharger, B4 fuel) :Power (max): 2000 PS (1973 hp, 1471 kW) •
DB 603L/M two-stage supercharger, rated altitude of 10.5 km, C3 fuel :Power (take-off): 2450 PS (2416 hp, 1801 kW) at 3000 rpm at sea level :Combat power: 2100 PS (2071 hp, 1544 kW) at 2700 rpm at sea level •
DB 603N (prototype with two-stage supercharger, C3 fuel) :Power (take-off): 3000PS (2958 hp, 2206 kW) at 3200 rpm at sea level :Power (max): 2570 PS (2762 hp, 2059 kW) at 3000 rpm at sea level :Continuous: 1930 PS (1904 hp, 1420 kW) at 2700 rpm at sea level •
DB 603S (DB 603A with experimental TK-11 turbo-supercharger) - Intended (not known if actually used) for the
Heinkel He 274 prototype airframes. :Power (max): Not known. •
DB 613 Coupled side-by-side DB 603s, meant to replace the DB 606 and DB 610, in prototype form only from March 1940 through 1943 and weighing an estimated 1.8 tonnes apiece. :Power (max): Estimated at some 3,854 PS (2,833 kW, 3,800 hp) each per "power system". •
DB 614 a 2000 PS development. •
DB 615 Coupled DB 614 engines •
DB 617 A long-range derivative of the DB 603 •
DB 618 Coupled DB 617 engines •
DB 622 A DB 603 with a two-stage supercharger and single-stage turbocharger •
DB 623 A DB 603 with twin turbochargers •
DB 624 A DB 603 with a two-stage supercharger and single-stage turbocharger •
DB 626 A DB 603 with twin turbochargers and intercooler •
DB 627 The DB 603 fitted with a two-stage supercharger and after-cooler. •
DB 631 An abandoned three stage supercharged DB 603G. •
DB 632 A projected development of the DB 603N with contra-rotating propellers. •
MB 509 Development as a
tank engine for the super-heavy
Panzerkampfwagen Maus All power data is given in
metric horsepower as stated per manufacturer. Power (max) is Takeoff and Emergency power (5-min-rating), combat power is climb and combat power (30-min rating), continuous is without time limit. ==Applications==