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Engine Exchange

While the overwhelming majority of US-shipped products have been certified to US standards, your product may be eligible for replacement. Learn more about Earthquake's Engine Exchange Program.

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Chainsaw 18" - 45cc Viper Engine CS4518
Eliminate the pain of burdensome, laborious outdoor chores like removing unsightly brush and dead trees with the Earthquake™ CS4518 gasoline chainsaw. With a bar length of 18 inches and a powerful 45cc Viper® engine, the CS4518 has the bite to tackle any tough weekend outdoor chore.

Chainsaw 18" - 45cc Viper Engine

Chainsaw 18" - 45cc Viper Engine

Rear Side View of Chainsaw

Easy to Start

Walbro carburetor with primer bulb assist for hot and cold starts.

Back View of Chainsaw


6 anti-vibration contact points.

Side View of Chainsaw


One piece forged crank shaft and two ring piston.

Alternate Side View

Long Lasting

Proven Oregon® Bar and Chain.

Photo Gallery: Click to enlarge

CS4518 Rear Side View
CS4518 Back View
CS4518 Side View
CS4518 Alternate Side View

Available at a retail location near you, and online retailers everywhere.