Specifications include, but are not limited to: HYDRAULIC SYSTEM _________ A. Single 12-volt DC pump shall be provided to operate optional boom hydraulic leveling. The pump must be capable of .026 Cu. Inches per revolution. AIR DELIVERY SYSTEM _________ A. Patcher to be equipped with a 5” high volume, medium pressure, lobe-type air delivery blower. _________ B. Blower must be capable of producing 670 CFM (18.97 cubic meters per minute) @ 2200 RPM. _________ C. Air delivery system to be equipped with long life cleanable, dry type filter _________ D. Blower is direct drive from diesel engine AGGREGATE DELIVERY HOSE _________ A. Pothole patcher to be equipped with a 3-1/2" (88.9 mm) I.D. gum-lined, abrasionresistant, non-kinking spiral reinforced hose to deliver aggregate. AGGREGATE FEEDER _________ A. An aggregate hopper to be provided to transfer aggregate through the aggregate hose to the delivery nozzle. _________ B. Aggregate hopper to be venturi type. Hopper to be replaceable. _________ C. The trailer-mounted road repair system shall receive its aggregate from a truck with a tailgate feed tube, supplied by the dealer. This feed system must be easy to install and remove, so the dump truck can be used for multipurpose work without being dedicated to the road repair system. _________ D. The road repair system feed tube must transfer the aggregate from the truck to the rock box inside the frame of the trailer without any mechanical devices.