The Echo 14" CS310 Is A Professional Featured Chainsaw In A New, Light Weight Design. 30.5cc Power Boost Vortex Engine. i-30 technology reduces starting effort by 30%. Duel post chain brake handle for increased durability. Auto oiler delivers optimum lubrication. 14" bar length. Holds 8.5 fl oz. fuel, 8.8 fl. oz. oil. 5 Yr. Consumer warranty. Dry weight 8.8 lbs.