The ECHO® CS‑680‑20 is a powerful, professional‑grade chainsaw built for heavy‑duty cutting, felling, and demanding forestry work. With its robust 66.8cc engine and 20in Performance Cutting System™ bar and chain, it’s engineered to handle large timber, rugged environments, and all‑day workloads. Designed for reliability and operator comfort, this saw delivers the durability and performance professionals rely on in the field. Key Features 66.8cc professional‑grade 2‑stroke engine for outstanding cutting power 20in Performance Cutting System™ bar and aggressive chain for improved cutting efficiency Aluminum handle with rubber over‑mold grip for enhanced comfort and control Automatic, adjustable oiler with manual override allows tuning for various cutting conditions Heavy‑duty automotive‑style air filter offers superior filtration and longer service life Side‑access chain tensioner simplifies chain adjustments in the field 21.6 fl. oz. fuel capacity supports extended run times on demanding jobs 12.5 fl. oz. chain oil capacity keeps the bar lubricated during heavy cutting Rugged 14.6 lb dry weight for durability and stability during large cuts Why It’s a Smart Pick The ECHO® CS‑680‑20 is a dependable, high‑output chainsaw made for professionals who need consistent power and rugged build quality. Its strong cutting performance, reliable engine, and premium filtration system make it an excellent choice for logging crews, arborists, landowners, and anyone tackling large trees or frequent heavy‑duty cutting. table { width: 100%; border-collapse: collapse; text-align: center; border: 1px solid black } td, th { border: 1px solid #dddddd; padding: 8px; } Width Weight Height Length 0 Inch