Poulan Pro PR4016 has a 2-cycle engine with 16 In. low kickback bar and chain. OxyPower reduces emissions up to 70% and lowers fuel consumption up to 20%. Features anti-vibration handle, automatic chain oiler, EPS effortless pull starting system, professional style chain brake, and Super Clean air filtration system. 50 state EPA compliant. 2 year warranty. Fully assembled.