Gas Powered Vibratory Truss Screed is mostly used to pave, vibratorily impact the concrete surfaces, bridges, concrete surfaces, large parking sites and other large factory concrete surfaces. It is designed with exact paving system, perfect effect for strickle large concrete surface. The max depth of impaction can be up to 20 centimeters. Original Place: Guang Zhou China Quantity:500pcs HS Code:84306100 Technical Parameter: Truss Length: 2.25m or 1.5m Optional Length: 6.0m,7.5m,9.0m,10.05m,12.0m for optional Impact Force: 120N Walking Speed: 1.2m-2.5m Beam Width: 200mm Engine Speed: 3600rpm Engine HONDA:GX270 9HP or HONDA GX390 13HP Min. Order: 1set