The Mikulin AM-42 was a liquid-cooled V-12 aircraft engine designed by Alexander Mikulin.
First run in November 1942, approximately 10,232 were built.
Representing a high-output version of the AM-38F, the AM-42 was used in the Ilyushin Il-1 fighter, and the Il-8 and Il-10 ground attack aircraft.
Type: 12-cylinder 60° Vee aircraft piston engine
Bore: 160 mm (6.30 in)
Stroke: 190 mm (7.48 in)
Displacement: 46.66 L (2,847 in³)
Dry weight: 996 kg (2,195 lb)
Cooling system: Liquid-cooled
Power output: 1,490 kW (2,000 hp) at 2,500 rpm
Specific power: 31.9 kW/L (0.70 hp/in³)
Compression ratio: 5.5:1
Power-to-weight ratio: 1.50 kW/kg (0.91 hp/lb)