B. Preferred equipment to be mounted on 2023 or 2024 dual drive Freightliner M2-106 Diesel or equivalent. C. New 4 wheel regenerative air sweepers similar or functionally equivalent to the model below per described specifications: • Tymco 500X D. Initially, one unit will be leased; however, MoDOT reserves the right to add additional units on an as needed, if needed basis. E. The intent of this specification is to secure the latest model and design "regenerative air street sweeper", high dump air street sweeper capable of removing litter, debris, etc., from street surfaces that shall effectively control dust with the use of water. All items appearing in the manufacturer's published literature and specifications are standard and assumed to be included in bidder's bid response. F. Cab/Chassis: aa. Must be diesel engine; shatterproof safety glass, tinted windshield and all windows; dual two-speed windshield wipers with intermittent feature and washers; factory installed AC/Heater and defroster; high back air suspension bucket seats or mid-back in air ride seats for both operator positions. bb. Dual operating controls, RH and LH operator positions with all O.E.M components, AM/FM radio, LH and RH grab handles, seatbelts, LH and RH electric remote West Coast type outside mirrors, with 8" convex spot mirrors. cc. RH gauge package shall be identical to original LH gauge package on dash. dd. Controls for all drive and sweeping functions shall be in-cab mounted. ee. Engine protection system utilizing coolant temperature, oil pressure, etc. ff. Minimum H.P. on chassis engine to be 200. gg. Chassis must have a minimum 32,000 pound GVWR and meet all current emission and motor vehicle standards. hh. Chassis must have air dryer.