John Deere brand of chain saw is recognized for its affordability, as well as its value for the money. With 7 models and 18 combinations in lightweight and heavy-duty versions to choose from, John Deere has the right Professional grade saw for the job. John Deere's Pro-Series chain saw is designed for felling and limbing large trees, cutting firewood, and handling most other jobs. John Deere PRO-SERIES™ chain saws bring professional quality and serious power to any cutting job, whether it’s stocking the woodpile or clearing a construction site. Like the entire line of John Deere PRO-SERIES chain saws, the CS36LE and CS40LE have a no-oil-at-idle feature that reduces consumption and works in conjunction with the new low-emission engine to keep the environment cleaner. A three-piece crankshaft reduces vibration for more comfortable operation. The three-piece clutch makes for smoother clutch engagement and has more clutch surface to reduce slippage. For operator safety, each chain saw is equipped with an inertia chain brake, guide bar safety tip and low-kickback chain. Bar sizes range from 14 inches to 28 inches, and features include primer bulbs and decompression valves for easy starting, side change adjust, compensating carburetor. All John Deere chain saws have a two-year consumer limited warranty and a 120-day commercial limited warranty.