Echo replacement chainsaw bar by Rotary Copperhead. This 20" rotary bar features a D176 mount, 3/8" standard pitch, and .050 gauge construction with 70 drive links—designed for seamless compatibility with Echo equipment. The Pro Sprocket delivers reliable cutting performance on demanding jobs. Ideal for contractors and grounds maintenance crews who depend on Quality components for consistent uptime and precision cuts.

Replaces
ECHO: 20D0PS3870C

Fits Models
ECHO/POWER PRUNER: CS-610T, CS-501EVL, CS-5500, CS-650, CS-451, CS-451VL, CS-452, CS-452VL, CS-500EVL, CS-500VL, CS-510EVL, CS-550, CS-590, CS-60, CS-600, CS-600EVL, CS-600P, CS-601, CS-602, CS-602VL, CS-610, CS-610EVL, CS-620, CS-620P, CS-620PW, CS-650EVL, CS-660, CS-660EVL

Dimensions and Specifications
DRIVE LINKS    70
PITCH    Standard 3/8"
GAUGE    0.050"
BAR LENGTH    20"
MOUNTING PATTERN    D176