- Generac GP6500 Portable Generator - 389cc OHV, 8125 Surge Watts, 6500 Rated Watts, Model# 5940 Four 20 Amp 120V receptacles, one 30 Amp 120/240V locking plug receptacle Hardened steel tube cradle with folding, lockable handles Low tone muffler Circuit breaker protected and covered outlets Rolls on 9.5in. solid wheels