This engine-driven Allen® Razorback® Truss Screed has been used on countless projects around the globe for over four decades. With gasoline engine power, driving vibration, and the hydraulic winch option, this self-contained truss screed is the industry standard for all steel framed truss screeds. Available with accessories for roadways, bridges, slab-on-grade and more Blade Weight Blade Width 37 lb. / 17 kg 2 ft / .61 m 46 lb. / 21 kg 2.5 ft / .76 m 90 lb. / 41 kg 5 ft / 1.52 m 135 lb. / 61 kg 7.5 ft / 2.29 m 180 lb. / 82 kg 10 ft / 3.04 m Specifications FRAME CONSTRUCTION SteelVIBRATION SYSTEM Eccentric ShaftVIBRATIONS 10,000 vpmENGINE (WIDTHS LESS THAN 42.5') HONDA GX270 - 9 hp / 6.7 kWENGINE (WIDTHS MORE THAN 42.5') HONDA GX340 - 11 hp / 8.2 kWMAXIMUM WIDTH 65 ft / 19.8 mLOWEST CONCRETE SLUMP 3 in / 7.6 cmMAXIMUM CONSOLIDATION DEPTH 10 in / 25.4 cmBLADES 10 Gauge Galvanized Steel SE12 Spec Sheet SE12 Operations & Parts Manual SE12 Safety & Operations Manual Warning: Cancer and Reproductive Harm - https://www.p65warnings.ca.gov/