Specifications include, but are not limited to: One-time contract for the purchase of a Chassis Mounted Long Reach Under bridge Inspection and Repair Unit. GVWR: 80,000-lbs. minimum. CAB-AXLE: Approximately 256” FRAME: Minimum RBM of 3,850,000 inch-lbs. FRONT AXLE: Twin, tandem steer axle. Each axle 20,000 pounds minimum capacity and visible front oil seals, and have 20,000-pound capacity suspension with heavy-duty shock absorbers. REAR AXLE: Heavy-duty tandem with 46,000-lb. capacity, along with a 20,000-lb. air operated pusher axle. Axle spacing of all three axles is to be 54”. An inter-axle differential lock to be provided to lock wheels sideto-side and front to back. Gear ratio to allow the vehicle to travel approximately 65 mph. TIRES: Front 425/65R22.5, 20 ply, mounted on 12.25 steel disc wheels, min, Rear 11R22.5, 14 ply, mounted on 8.25 steel disc wheels, Pusher as required by Bridge Inspection Unit manufacturer. TAG AXLE: Complete with spacer kit, air controls, tires and wheels to match the rear tandem axle. The tag shall be a double convalescent air lift type, self-steering, with air up and air down capability. Tag axle rating of 13,000-lb. and installed on the Bridge Inspection Unit subframe.