The Model AP20IL pump is available as an option for all hydraulic tools up to 18” capacity and is standard with the larger 18” capacity tools. This is an air operated hydraulic pump that requires no physical pumping effort. Simply select the “Up” or “Down” valve position and operate the air ball valve. The unit comes complete with an air-line oiler, pressure guage, 20’ non-conductive hose set, and is factory adjusted to provide the correct operating pressure for Mustang tools. Air requirements are 50cfm at 80psi.