The DuroMax XP13000HXT features Tri Fuel Technology: This generator runs on gasoline . propane . and natural gas . giving you the freedom and flexibility of fuel choice. Gasoline is a tried-and-true fuel option that’s readily available. Propane is a cleaner burning fuel that is cost effective . fuel efficient . and has a long shelf life. Natural gas has the benefit of providing you with unlimited fuel supply and hooks up directly to your home’s gas line . so you don’t have to worry about storing tanks and spills. This XP13000HXT also features a Cast-Ironed Sleeved . 460cc Engine delivering a peak of 13000 surge watts / 10500 Constant. This is a sufficient amount of power that can handle high requirement loads as well as multiple small load appliances simultaneously. Designed for Safe and Easy Operation . the XP13000HXT features a user-friendly . Electric Start . that’s as simple as starting your car. It is also equipped with a recoil start in case of the battery being drained. Solid-Fill tires are also standard . they will never run flat . and high leverage handles that make it easy to transport over every terrain. (except water – we are working on skus). The attached oversized noise reducing Muffler has a built-in Spark Arrestor for safe use in mandated camping areas and jobsites. All DuroMax Generators are user-friendly and are ready to use out of the box within minutes. Simply remove all packaging . assemble the wheels and handles . add Oil and Gas and it is ready to begin producing power.