Lycoming produces the most complete line of horizontally opposed, air-cooled, four-, six- and eight-cylinder aircraft engines available, with power ranging from 100 to 400 HP. Carbureted or fuel injected, normally aspirated or turbocharged - with a reputation for reaching or exceeding TBO - Lycoming piston engines are the engine of choice for both the home builder and the major airframe manufacturer. From the Robinson R-22 helicopter to the powerful Piper Malibu Mirage, Lycoming piston engines currently power more than half the world's general aviation fleet.


  • Lycoming has the ability to create an extensive range of engines to meet our customers' needs. We have built countless variations of our standard engine models through the years. We bring to the process our long and strong history of advancement in the piston engine industry, our top-notch engineering and manufacturing teams, and our deep knowledge of airworthiness and product certification.

  • In addition to our main production line's ability to customize our standard engine models, our Advanced Technology Center (ATC) can custom build any type of engine our customer desires. The ATC team works one-on-one with each customer, meeting needs from specialized fuels to extra turbo-charging and paint colors "Other than Lycoming Gray."

  • Lycoming also offers Zero-Time Rebuilt and Factory Overhaul engine services for customers whose engines are reaching TBO.  Our rebuilt engines are manufactured on the same assembly line as new engines, utilizing the same quality processes and equipment to provide customers with a like new engine.

  • Worldwide, Comprehensive Customer Service and Support
  • Wherever you are in the world, you have access to expertise and knowledge surrounding Lycoming engines. Lycoming is known in the aviation industry for our worldwide, comprehensive customer service and support. That support comes from a variety of sources:

  • Lycoming Distributor Network - Helping customers select the engine that's right for them. Click here to locate a Distributor near you.

  • Lycoming Authorized Service Centers - Lycoming-approved support and service for your Lycoming engine. Click here to find the Authorized Service Center closest to you.

  • Lycoming Airworthiness and Technical Publications - Providing customers with access to approved support documentation to effectively maintain your engine. Lycoming issues Service Bulletins, Service Letters, and Service Instructions as needed, and posts the most frequently used publications on our website. Maintenance Libraries can be purchased in hardcopy, digital and CD format. Lycoming also maintains Key Reprints which provides tips and advice to engine owners and mechanics.

  • Lycoming Troubleshooting - Our knowledgeable product support team is available to assist with troubleshooting of your engine.

  • Lycoming Service Engine School Training - Hands-on training to mechanics and owners to assist with maintaining Lycoming engines.
  • Company Website