I got this because I have a pickup truck and compact backhoe with big tires. Regular tire compressors, even the ones with 2 cylinders, just have a hard time putting in the kind of pressure I need. Also, from time to time, I need to top up the air pressure in my well water tank, and that takes more than your usual tire pump as well. And then, I like to use a compressor for a nail and paint gun. I want this machine to do it all.At $280, this pump is not cheap, so you need to know it will do the joSee full review