Tanaka ECV-4501 chain saw is a professional mid-range chain saw. Ideal for firewood cutting. Chain Saw Type: Gas, Bar Length (in.): 18, Chain Pitch (in.): 0.325, HP: 2.5, Cylinder Displacement (cc): 43, Chain Brake: Yes, Oil Pump Flow: Automatic, Low Vibration Handle: Yes Mid-size Walbro® carburetor 4-pt. rubber mount anti-vibration system Airforce™ air filtration system Oregon® bar and chain