... engine 1. CE approved, powered by advanced air-cooled diesel engine. 2. Noise-reducing enclosure, ... fuel injection system. 6. Large silent muffler & air-cleaner, reducing exhaust and intake noise. 7. A ... Self-excitation Brushless Noise level dB(A)@ 7m (zero load - full load) 72 Overall dimension [mm ... model 186F Engine type 1-cylinder, 4-stroke, air-cooled, direct injection, diesel engine Displacement [cm³ ...