Chassis: The sweeper shall feature a dual engine design, mounted on a conventional cab style truck manufacturer’s chassis. All sweeping, dirt collection and handling functions must be accomplished by mechanical means powered by an auxiliary diesel engine or as specified within this document. Air or vacuum sweepers will not be considered as equivalents. Complies: Yes No Sweeper Type: Chassis Manufacturer: Model: The sweeper shall have a Gross Vehicle Weight Rating minimum of 33,000 lbs. G.V.W.R. –rating Lbs. Front Axle: The front axle shall be rated at 10,000 lbs. minimum. Gross Axle Weight Rating – Front: Lbs. The front axle shall be equipped with tapered leaf springs rated at 12,000 lbs. minimum. Capacity – Front springs: Lbs. Power Steering: Type - Manufacturer's standard. Complies: Yes No Rear Axle: The rear axle shall be component rated for 23,000 lbs. and equipped with dual wheels and tires that meet or exceed this rating. Gross Axle Weight Rating - Rear: Lbs. The rear suspension shall be supported by an air spring system, Hendrickson, Ridewell or approved equivalent, with a minimum capacity of 23,000 lbs. The air spring system shall be operator controlled by a single switch (transport/sweep) on the control console allowing solid axle performance for sweeping and full suspension during transit or a with 23,000 lbs. capacity hard rubber suspension when sweeping mode is selected. Describe rear suspension: The suspension system shall include automatic ride height control valves for the rear axle to maintain height during transport and stability while dumping. These components must meet or exceed the rated GVW of the rear components. Complies: Yes No The rear differential shall be an operator controlled 2-speed differential. The split ratios shall be set up to provide an acceptable start-ability, acceleration, and highway speed even with the debris hopper fully loaded. The low range shall be to attain proper sweeping speeds. Available options will be discussed with IDOT and the chassis manufacturer’s representatives. Complies: Yes No Low Axle ratio: High Axle ratio: Chassis Diesel Engine: Manufacturer’s current production, electronically controlled, turbo-charged, charge air cooled diesel engine, weighing no more than 1,200 pounds (dry weight). Engines considered must provide 200-240 horsepower with 520-560 foot pounds of torque at an RPM within the governed operating range of the engine. Component: Make: Model: Rated H.P. @ RPM Rated torque ft./lbs. @ RPM Governed RPM Dry weight lbs. Complies: Yes No
