350 kW Generator Dual Fuel Standby Generator 120/208 3 Phase. Type of Enclosure is NEMA 3R Rated; No tank required, natural gas is available at the site; EPA Tier 5 certification is required; Receivin... 350 kW Generator Dual Fuel Standby Generator 120/208 3 Phase. Type of Enclosure is NEMA 3R Rated; No tank required, natural gas is available at the site; EPA Tier 5 certification is required; Receiving facility and forklift available, so no offloading required. Battery and Battery Charger required.