"Running Watts: 7000Starting Watts: 12,250 Run Time: 10 hours @ 1/2 load Engine: 15 HP Briggs & Stratton OHV, Electric Start with battery included Fuel Tank: 8 Gallon Vertical Panel: Flip Up End Panel Outlet Configuration: 2-20A Duplex, 30A 120/240 V Twist Weight: 270lbs."... Click here for more info on B&S 11 HP Portable Generator.