2006 CAT XQ500 , 110% SPILL CONTAINMENT, 2 HRS SINCE REBUILD, 20' SOUND ATTENUATED ENCLOSURE ON DUAL AXLE CHASSIS, 500 KW, DUAL VOLTAGE, 60 HZ, AUTO START, BATTERY CHARGER, BATTERY DISCONNECT SWITCH, CAT 20FT POWER MODULE ON 2-AXLE CHASSIS RATED 500 KW STD BY, CAT BRAND GENSET, CAT XQ500. CAT 3456 ENGINE, DIESEL, DUAL WALL FUEL TANK, FUEL TANK, GENERATOR SPACE HEATER, JW HEATER, MOUNTED IN A 20 FT CONTAINER, MULTI-VOLTAGE, Online Owner's Manual , STANDBY, TRAILER MOUNTED,