The largest portable generators, from 12,000 to 15,000 watts, can carry most of a home’s essential circuits through a 50 amp transfer switch, or power demanding job sites.

Choose from the DuroMax XP13000EH, XP13000HX and XP15000HX dual fuel and XP13000HXT and XP15000HXT tri fuel generators, the gasoline DuroMax XP13000E, the Generac GP Series 12,500 watt tri fuel (49-state and 50-state versions), the Winco HPS12000HE tri fuel and 12,000 watt portable, and the Gillette 12.5 kW three phase portable. See 50 amp generators. Every order ships within the United States for a $70 flat rate, with 30-day returns.

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