8KPRO Specifications Running Watts: 8,000 Starting Watts: 10,000 Alternator: Voltage Regulation: Displacement: Type: <5% THD all Copper 8000 RUNNING WATTS / 10000 STARTING WATTS Automatic/Remote Mounted 420cc Westinghouse SD Engine OHV, 4 stroke Rated RPM: 3600 Lubrication: Splash Fuel Shut Off: Manual Choke: Portable Generator Heavy duty features including; OHV engine, low oil shutdown, cast iron sleeve, forged components and large 9.