Engine Type: 4-stroke, single-cylinder, OHV (Overhead Valve), air-cooled.Power Output: Most common models in this series range from 6.5 HP to 8.0 HP.Start System: Manual recoil (pull) start.Fuel Capacity: Approximately 3.6 to 4.0 liters.Construction: Heavy-duty, industrial-grade materials with vibration-dampening technology for reduced operator fatigue.