Type: Twelve-cylinder liquid-cooled supercharged 60° inverted Vee aircraft piston engine
Bore: 150 mm
Stroke: 160 mm
Displacement: 33.93 litres
Length: 1,722 mm
Dry weight: 590 kg
Valvetrain: Two intake and two sodium-cooled exhaust valves per cylinder actuated via a single overhead camshaft per cylinder block.
Supercharger: Gear-driven single-speed centrifugal type supercharger
Fuel system: Fuel injection
Oil system: Dry sump with one pressure and two scavenge pumps
Cooling system: Liquid-cooled
Power output: 1,159 hp) at 2,500 rpm for takeoff, 1,050 hp at 2,400 rpm at 3,700 m (DB601Aa)