Specifications include, but are not limited to: General Type: Heavy-duty industrial/commercial Brand: Briggs Vanguard Big Block EFI Model: 61G2 Horsepower: 40 HP @ 3600 RPM Torque: data not published Type: 4 cycle gas, twin-cylinder, air-cooled, fuel-injected, horizontal shaft engine Displacement: 993 cc (60.6 cubic inch) Cylinders: 2 cast-iron sleeves Air Intake Group: Large capacity 2-stage canister air filter Exhaust Group: Single. exhaust canister muffler Engine Idle Speed: Governor set at 3800 RPM (+/- 50) Fuel Group: Integral fuel pump with inline fuel filter, internal fuel line vent; float feed; two-barrel, adjustable idle, afterfire solenoid. Oil Pump Group: Full pressure lube, capacity 2.3 Liter with spin-on oil filter Starter/Electrical: 12 volt "maintenance-free" sealed battery (350 CCA) with alternator, solid-state ignition with key start Charging System: 20 amp - regulated