Model Number: WXY-CS5800 Brand Name: WENXIN or OEM Key Specifications/Special Features: A chainsaw is a portable mechanical, motorized saw. It is used in logging activities such as felling, limping, and bucking; by tree surgeons to fell trees and remove branches and foliage; to fell snags and assist in cutting firebreaks in wildland fire suppression, and to harvest firewood. Product modelWX-CS5800 Engine type Air-cooled,2-stroke cylinder gasoline Engine power(kw/r/min) 2.5kw/7000r/min Engine displacement(cc) 58cc Carburetor Diaphragm type Optionaldriller 3000-3200r/min Driving model 550ml Driving rate 260ml BarSize 18''/20'' G./N.Weight 8.5/7.5kg Carrying type Handhold