The Lycoming IO-540 is a popular aircraft engine produced by Lycoming Engines. It is a six-cylinder, horizontally opposed, air-cooled engine commonly used in general aviation aircraft. The IO-540 engine comes in various models with different power ratings depending on the specific configuration and modifications.
The power output of the Lycoming IO-540 engine typically ranges from around 260 to 350 horsepower (or approximately 194 to 261 kilowatts). However, it's important to note that there are numerous variants and modifications available for the Lycoming IO-540, which can result in different power outputs. The horsepower rating can also be influenced by factors such as turbocharging, intercooling, or other performance enhancements specific to a particular aircraft or installation.
If you require more specific information about a particular model or variant of the Lycoming IO-540 engine, it's recommended to refer to the manufacturer's documentation or consult an authorized Lycoming dealer or representative for the most accurate and up-to-date information.