Asphalt Pothole Patcher, model SM 425-60 DHER or equivalent

The Missouri Department of Transportation Southwest District is soliciting bids for an Asphalt Pothole Patcher model SM 425-60 DHER or equivalent on an as-needed basis, with bids due September 14, 2026. This is a single-award, firm-fixed-price, low-bid procurement.

The scope is a unitized asphalt repair system with a 4 cubic yard hopper capacity (6-ton maximum load). Key specifications include dual 67,000 BTU propane burners with thermostat controls; a 220-volt 62 kW electric heating system maintaining temperatures up to 300 degrees Fahrenheit; a 60-gallon emulsion oil tank with dual heating systems; a 9-foot screw conveyor with variable hydraulic drive; hydraulically operated bi-fold steel doors; a rear lift platform for loading compactors or rollers; an 18-gallon diesel fuel tank with spraying capability; a 5-foot hose reel with deadman control valve; an included Wacker WP1550AW vibratory compactor plate; and comprehensive safety features including high-limit shut-down switches and mechanical override protection. The machine dimensions are 110 inches long, 50 inches high, and 80 inches wide. The awardee must provide a full twelve-month warranty against defects in materials and workmanship, service and operators manuals in duplicate, and a training program for each machine delivered.

The contract period runs from notice to proceed through September 30, 2027, with three optional one-year renewals extending potential duration to September 30, 2030. The contract is awarded on a firm-fixed-price basis to the single lowest responsive and responsible bidder that responds to all requirements.