Two (2) each – Skag Model TL20W-29BV Trailer Mounted Vacuums or approved equal with the following specifications Engine: Vanguard 29HP big block, V-twin, electric start Fuel capacity / Tank: 5.5 gallons minimum CFM Output: 4,680 Frame Construction: All-Steel, welded Impeller Construction: 4-blade, 3/8”-thick blades, all-steel, welded Impeller Mounting: Taper Locking Hub Impeller Diameter / Width: 20” / 6.5” Blower Housing Construction: Removable back panel for easy impeller and wear plate access Intake Hose Specifications: 120”length, 12” – diameter intake hose, 0.045 blue thermostatic rubber, wire helix with wear strip Unit Mounting Hitch: Class III minimum Discharge Tube Clear Thermoplastic, 8” diameter, 60” length Throttle Control: Commercial Grade, all-steel mechanicals, plastic debris cover Highway Ready: YES – optional roadside package included Tires: 205 / 75 R15 highway tires with steel wheels Trailer Width: 53.5” Accessories: ODOT Light Kit, Roadside Kit Length: 110” Maximum Weight: 1,060 lb maximum