New, overstocked inventory, in-stock and ready to ship – surplus inventory, limited supply.

The Echo CS-4920 was engineered around a specific performance target: deliver legitimate 50cc professional chainsaw output in the lightest possible package in the class. The result is an 11.1 lb. dry weight saw with a 50.2cc stratified-charge 2-stroke engine — a stratified scavenging design that layers fresh charge and exhaust gases separately within the cylinder rather than mixing them at the transfer phase, directly reducing fuel consumption and emissions output compared to conventional 2-stroke designs at the same displacement. The practical payoff for the operator is a saw that runs cleaner, burns less fuel per hour, and produces less exhaust in the face during sustained cutting work — improvements that add up across a long day of felling and limbing.

The G-Force Engine Air Pre-Cleaner™ uses centrifugal force to spin the heaviest dust and debris out of intake air before it reaches the main air filter element — extending filter service life significantly on the dusty, chip-heavy job sites where a 50cc saw gets deployed and reducing the frequency of filter service stops during a full production cutting day. A side-access chain tensioner allows chain tension adjustment without removing the bar cover, keeping the adjustment fast and clean in the field without tools or bar removal. Dual drop-prevention bar nuts are captive — they stay attached to the saw when the bar cover is removed, preventing hardware loss during chain and bar service in the field. A momentary stop switch automatically returns to the ON position when the saw is shut off, eliminating the common mistake of leaving the switch in the OFF position and wondering why the saw won't start on the next pull. The automatic, adjustable clutch-driven bar oiler operates only when the chain is moving, reducing oil consumption meaningfully compared to constant-flow oiler designs across a full day of intermittent cutting work. A spring-assisted vibration reduction system absorbs engine vibration at both handles, reducing operator fatigue on extended cutting sessions. Backed by Echo's 5-year consumer / 2-year commercial warranty.

• 50.2cc Stratified-Charge 2-Stroke Engine — Lightest in the 50cc Class at 11.1 lbs. — the stratified scavenging engine design layers charge and exhaust gases separately within the cylinder to extract more power per displacement while reducing fuel consumption and emissions, in the lightest 50cc professional chainsaw package in the class
• G-Force Engine Air Pre-Cleaner™ with Side-Access Chain Tensioner and Dual Captive Bar Nuts — centrifugal pre-cleaning removes heavy debris from intake air before it reaches the filter element to extend service intervals in chip-heavy cutting environments, while side-access tensioning and captive bar nuts keep chain and bar service fast and hardware-loss-free in the field
• Momentary Auto-Reset Stop Switch with Clutch-Driven Adjustable Bar Oiler and Spring Vibration Reduction — the momentary switch returns automatically to ON after each shutdown so the saw is always ready to start, the clutch-driven oiler reduces chain oil consumption by running only when the chain moves, and a spring vibration reduction system protects the operator's hands and arms across extended felling and limbing sessions

Make: Echo
Model: CS-4920-20 Professional Chainsaw
Model #: ECCS-4920-20
Equipment #: C92115014712
Location: Northern California
Condition: New