Engines
Exceeding the standard in general aviation
iE2 Engine
The flagship of our innovation, equipped with state-of-the-art aviation electronics and sensors for a modern flying experience.
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Thunderbolt Engine
High performance, custom built-to-order engines for every degree of thrill-seeking.
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541 Series
Lycoming’s 541 engine series is a top induction, down exhaust, turbocharged, direct-drive engine series with side-mounted accessories producing 380 horsepower.
DEL-120 Series
A 4-cylinder turbocharged and FADEC controlled piston aircraft engine with 205 hp of takeoff power.
233 Series
Traditional Lycoming performance in a lightweight package for your light sport aircraft, with dry weight of 213 pounds including the fuel pump, and up to 115 hp at 2,800 RPM. Lycoming’s 233 Series engines are available for non-certified OEM and homebuilt light sport aircraft.
235 Series
Lycoming’s four-cylinder 235 Series engine is a popular choice for home-built, as well as OEM-produced aircraft. With models producing up to 125 hp at 2,800 RPM, this engine powers many aircraft around the world.
320 Series
Lycoming’s four-cylinder 320 Series engines produce 150 or 160 hp at 2,700 RPM. These engines power numerous popular aircraft produced by companies like Cessna, Piper, and kit manufacturers such as Van’s and Glasair. The 320 Series also powers the early Robinson R22 helicopter.
360 Series
Lycoming’s extremely popular four-cylinder 360 engine combines rugged reliability with smooth performance, producing 145 to 210 hp. Since 1955, certified 360 cubic inch engines from Lycoming have been installed in thousands of aircraft.
390 Series
Lycoming’s 390 Series four-cylinder engines produce 210 hp at 2,700 RPM. One of Lycoming’s newest engines, the IO-390-A, is designed to meet the power, payload, and speed requirements of the kit aircraft segment, and is currently being certified for helicopter applications.
540 Series
Lycoming’s 540 Series six-cylinder engines are powerful and durable, producing 235 to 360 hp at up to 2,700 RPM.
580 Series
The Lycoming 580 Series of six-cylinder engines is powerful, producing 315 hp at 2,700 RPM with reliable direct drive and excellent power to weight ratio. This model meets the ever-growing performance requirements of modern-day aircraft design, and is also a popular retrofit under Supplemental Type Certificates.
720 Series
Lycoming's eight-cylinder IO-720 Series engines produce up to 400 hp at 2,650 RPM, and are the largest engine in production today at the Lycoming factory.
EL-005 Series
Otto cycle spark-ignited single-cylinder 4 hp engine that is heavy fuel capable and electronically controlled.
Specializing beyond traditional aviation
Helicopter
Manufacturing the only FAA-certified piston helicopter engines to power all certified piston-powered helicopter applications built today.
Aerobatic
The only FAA-certified manufacturer of certified aerobatic piston engines that top pilots, performers, and formation teams trust for precision, speed, and reliability.
Specialized
Using our proven aviation propulsion experience to power mission focused aircraft with increased system reliability.