The Champion Power Equipment 201412 9200-Watt Tri-Fuel Portable Natural Gas Ready Generator with CO Shield® is a reliable source of power with the flexibility you need. When you are not running your generator on natural gas, you also have the option of operating it on gasoline or propane. The ability to operate your generator on three types of fuel out of the box makes this one of the most versatile generators on the market. The electric start includes a battery, plus Cold Start Technology ensures quick cold-weather starts. With a 1.2-quart oil capacity, this unit has a low oil shut-off sensor and includes engine oil.