We are manufcturig 3 Hp to 30 Hp. this model is 5 hp with automatic .It is an incomparable compressor with lots of features for unique, but versatile performance. It is a transferrable and compact model perfect to provide powerful and constant air. It is a durable and dominant … Desran A series piston compressor has the features such as heavy duty, low RPMs, and durable running life.