Efco chain saws feature legendary Italian design and performance, delivering astounding quality and reliability. These chain saws utilize engines with linear torque speed for rapid and responsive acceleration — even during extended periods of use. Nylon filters improve performance and ensure trouble-free operation and easy maintenance. Chain Saw Type: Gas Bar Length (in.): 18 Chain Pitch (in.): 3/8 HP: 4.3 Cylinder Displacement (cc) : 63.4 Primer Bulb : Yes Additional Product Specs * Designed for heavy farm and commercial use * Steel crankshaft and piston with 2 rings for maximum long-term reliability * 6 rubber antivibration mounts for operator comfort * Cylinder with compression relief system to ensure smooth starting * Extra-large fuel tank combined with low rates of consumption results in over 40 minutes of operation on a full tank * Oregon bar and chain