The Liberty L-2 is a six-cylinder aircraft engine developed in the early 1920s by the Liberty Engine Company. It was designed to provide reliable power for military and civilian aircraft during a time when aviation was rapidly evolving. The engine features a displacement of 12.0 liters and was known for its robust construction and performance. The L-2 was an evolution of the earlier Liberty L-12 engine, which had gained popularity during World War I. The L-2 was used in various aircraft, contributing to advancements in aviation technology and helping to establish the foundation for future engine designs. Its influence can still be seen in modern aviation engineering.