1) 25cc,38cc,41CC,45cc,52cc,58cc,62cc,82cc 2) Walbro carburetor,OREGON 3) 16"/18"/20" /24"Guide bar 4) CE,GS 5) OEM Engine displacement:61.5cc Maximum engine power:2400w Fuel tank capacity:550ml Oil tank capacity:260ml Sprocket wheel:(0.325")pitch Guide bar type:Sprocket nose Chain bar length:505mm(20") Weight(including bar and chain):7.5kg 6150 chain saw