The Bendix+ DuraFlo 596 air compressor is an engine driven two-cylinder, reciprocating compressor with a displacement of 27 cubic feet per minute at 1250 RPM. It is an engine lubricated compressor with a water cooled cylinder head and vlave body assembly and an air cooled cylinder block. It also has a built in unloading and ESS or energy saving system which reduces the power requirements for the compressor in the unloaded mode. The DuraFlo 596 requires a governor and synchro valve for proper operation.