... 2.brand new brushless alternator, single bearing, flange connection, IP23, H insulation class, with AVR.3.Heavy duty steel channel base frame ... lead acid battery c/w battery cables.9.3-pole output circuit breaker.10.Below 500KW, skid-mounted bottom fuel tank ... Alternator-Brushless, self exciting fan complete with protection guards, designed to cool engine at specified output in air temperatures up to 45 ...