Tsurumi Engine Driven Generators TPG4-6000HDX Powered by an 11 hp Honda OHV engine with low level oil alert system. Automatic Idle Control. Rubber Vibration Pads isolate the generator/engine set reducing vibration. A large silent muffler with spark arrestor greatly reduces noise. Easy recoil start. Large air filter for emissions control. 6.6 gallon fuel tank. Rated load run time 8.5 hours. Noise level on a rated load is 72dB.