The Durostar DS5500EH is a heavy-duty, conventional generator built for durability and long runtime. It features a 5,500 watt peak/ 4,500 watt rated (gasoline) output and a 5,225 watt peak/ 4,275 watt rated (propane) output. The fuel tank holds 3.96 gallons, and it has a runtime of 8.92 hours (gas, 1/2 load) and 7.63 hours (propane, 1/2 load). It also has two 120V 20A outlets and one 120/240V 30A Twist Lock outlet. The generator is started with an electric start and has a recoil backup. It weighs 122 pounds and has a 3-year warranty.