The CAT RP7500 E portable generator is equipped with the long-life OHV engine with low oil shutdown protection and covered circuit breaker w/protected outlets. Oversized Steel fuel tank with built-in fuel gauge for up to 11 hours of run time. All steel construction, hvy duty bolt on never-flat whl kit. 4 in 1 digital display f/voltage, frequency, running hours and total hours on unit. Specs: rated watts running 7500, rated watts starting 9375, elec and manual starting system, low oil level shutdown, receptacles: (4) 20 amp 120v, (2) 30 amp 120v. Start/stop, choke and fuel shutoff controls mounted on easy to use control panel w/LED light, weighs 200.2 lbs, dim 23.4in Hx33.9in Lx21.7in W, OHV engine, 420cc engine is engineered for 1,000 hrs of use, 3600 rpm, voltage is 120/240v, frequency is 60 Hz, 7.9 gal gas tank and 11 hour run time at 50 percent load. 3 yr limited warranty applies when registered within 30 days. 2 yr standard limited warranty.