This rugged chain saw is perfect for farmers, landowners and momeowners who cut less regularly but demand optimum performance at a resonable price. The CS4000 Showbull is powered by a 40 cc 2-cycle gas engine and is equipped with an 16" bar. This model comes with an automatic chain oiler. Highlights: 40 cc/1.6 kw engine. Primer bulb for easier starting. Gear driven automatic chain oiler; Chain brake reduces speed or stops the moving chain; Super clean air filter system that provides longer air filter life, reduces fuel consumption and increases power; Bar length: 18" wide handle spacing for better control.