Used 362 CFM Ingersoll-Rand Gas Compressor cylinder type ESH-1, Bore 10.25" min, Stroke 12" min. max. discharge pressure 144 PSIG, rated discharge pressure 250 PSIG, max. allowable discharge pressure 330 PSIG, max. allowable discharge gas temperature 450 Deg. F., RPM Frame Outer Total Displ. CFM @ 383 193.52 201.18 394.70, V-belt, Serial #X1XK715