Model SU-VH Engine Gasoline,Honda GX160 Type of Combustion Air-cooled,single cylinder,4-stroke Engine output,max.kw(hp) 4.0(5.5) Vibration frequency 183HZ-200HZ Bar dia. 28mm, 32mm, 38mm, 45mm, 50mm, 60mm, 70mm Bar Lenth 4-6m, standard: 6m Weight kg(lbs) 22(48)