Specifications include, but are not limited to: The complete unit shall consist of a trailer mounted, engine powered, turbine debris blower. It shall be arranged to provide a compact assembly on a rigid frame, mounted on a single axle with two (2) wheels, designed to be towed behind trucks at highway speeds. Turbine Blower: The turbine blower shall have a directional durable nozzle with a minimum 10” discharge. The turbine blower shall be adjustable in speed (Revolutions per minute). Engine: The turbine blower shall be provided with a current production air cooled, 2-cylinder engine meeting the following: Minimum 20 H.P. engine. Adjustable throttle. 12-volt system with electric start. Alternator/regulator. Maintenance free battery. Engine oil cooler. Tractor Type, Heavy-duty Air Cleaner.