Specifications include, but are not limited to: CAB AND CHASSIS Cab and chassis shall be commercially manufactured and fully equipped for highway operation, and totally compatible in size, weight capacity, and function for use with the sweeper unit proposed. Frame to be straight channel steel rails minimum 50,000 PSI. Minimum 28,000 lbs. Gross Vehicle Weight Rating (GVWR). Curb weight with cab, fuel, water, oil, and tires shall be approximately 9,000 Lbs. Chassis cab enclosed and equipped with tinted safety glass all around. (Sliding windows not acceptable) Chassis must not exceed a 48 foot wall to wall turning radius. Cab shall have chassis manufacturer’s factory installed in-dash heater, defroster, and air conditioner Both driver and passenger seats shall be individual, air suspension, high-back, (Bostrom Wide Ride II with arm rest or approved alternate) Vinyl w/Cloth insert and safety seat belts. Power windows. DRIVETRAIN ENGINE: Engine must be a six cylinder, turbocharged diesel, with a minimum 260 horsepower Dual element dry type air cleaner with restriction indicator mounted in dash. Automatic glow plug with indicator light shall be supplied. Automatic shutdown for low oil pressure and over temperature. Fuel water separator shall be supplied. Engine block heater shall be supplied.