Ingersol Rand model SSR400L-AAF5F air compressor, S/N 26729U80BJ, 400 CFM capacity, 100 PSIG rated operating pressure, 103 PSIG maximum discharge pressure. 460V/3ph/60Hz operation, 115-Volt controls, air cooled analog gauges for discharge, air temperature, and air pressure out. Complete with starter and controls.