The TB4218 gas chainsaw features a 42cc, full crank, 2-cycle engine. It comes with SpringAssist® technology for easier pull starts and a 18" low-kickback bar and chain cuts through limbs fast. The adjustable, automatic bar and chain oiler ensures proper lubrication, while the automatic, inertia activated chain brake adds operator safety. The 3-point anti-vibration handles and lightweight design allows for easier handling and greater comfort. Comes with 2-cycle engine oil and a 2-year limited warranty.