Overhead valve engine has auto throttle and oil alert. Meters for fuel and hours. Generator has four 20 Amp, 120 Volt receptacles with G.F.C.I. and one 30 Amp Twistlock receptacle. Two 120/240 Volt Twistlock receptacles, a 30 Amp and a 50 Amp. 6.9 gallon tank provides up to 8 hours of run time at half load. 20 HP Twin Cylinder OHV Engine.  2-20A, 120V GFCI DUPLEX 5-20P, 1-30A 120V TWIST L5-30P 1-30A 120/240 TWIST L14-30P, 1-50A 120/240 3 POU 4 WIRE.  Ship wt. 500 lbs.