Oil free pump for no maintenance. Low amp 120V motor starts easily in cold weather or with extension cord. 6 gallon pancake style tank for stability, includes water drain valve and rubber feet. 150 P.S.I - higher pressure for longer air tool performance. 2.6 SCFM at 90 P.S.I. for fast recovery time. Upgraded shroud, handle, and console cover protects vital components, makes unit easier to carry and includes cord wrap.