Description Overview 520 kw diesel fired backup generator Manufactured by Caterpillar Gen set #3412 / model SR4 Generator #588 Water cooled, turbocharged and aftercooled Four stroke v-12 With sound and weather enclosure Specifications 3 phase / 10 wire / 650 kva (520 kw) / 1800 rpm / 60 hz Cat gen set, brushless, revolving field solid state exciter, single bearing, close coupled Connection wye driven by a 755 hp cat engine Engine serial: 38S10523 Dimensions With skid and enclosure: 150.55" long x 69" wide x 84.16" high