RTM322 is a 2,100 to 2,600 shaft horsepower engine designed for heavy helicopters. State-of-the-art technologies enable it to perform in extremely demanding environments. RTM 322 is one off the most compact engines in its category. It’s weight/power ratio is 14% higher than the competitor engine in this power range. Backed by 1,5M+ hours, It is today the benchmark in the 2,500 shp range for military helicopters.