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REAR SUSPENSION <br />The tandem rear axle shall feature a Ridewell Dynalastic RD202 with accordion style elastomer springs. <br />The suspension shall incorporate a straddle mount pedestal and urethane pivot bushings, preset load <br />distribution and independent axle movement. The rear tandem suspension shall include 54.00 inch axle <br />centers. <br />The rear tandem suspension capacity shall be rated at 54,000 pounds. <br />REAR SHOCK ABSORBERS <br />Shock absorbers shall be supplied by the suspension manufacturer and installed on the rear axle <br />suspension. <br />TIRE INTERMITTENT SERVICE RATING <br />The chassis shall be rated using Intermittent Service ratings provided to the emergency vehicle market <br />by the tire manufacturers as the basis for determining the maximum vehicle load and speed. <br />FRONT TIRE <br />The front tires shall be Michelin 425/65R-22.5 20PR "L" tubeless radial XZY3 mixed service tread. <br />The front tire stamped load capacity shall be 22,800 pounds per axle with a nominal speed rating of 65 <br />miles per hour when properly inflated to 120 pounds per square inch. <br />The Michelin Intermittent Service Rating maximum load capacity shall be 24,396 pounds per axle with <br />a maximum speed of 65 miles per hour when properly inflated to 120 pounds per square inch. <br />The Michelin Intermittent Service Rating maximum speed capacity shall be 22,800 pounds per axle with <br />a speed rating of 75 miles per hour when properly inflated to 120 pounds per square inch. <br />The Michelin Intermittent Service Rating limits the operation of the emergency vehicle to no more than <br />fifty (50) miles of continuous operation under maximum recommended payload, or without stopping for <br />at least twenty (20) minutes. The emergency vehicle must reduce its speed to no more than 50 MPH <br />after the first fifty (50) miles of travel. <br />REAR TIRE. <br />The rear tires shall be Michelin 315/80R-22.5 20PR "L" tubeless radial XDN2 Grip all weather tread. <br />The rear tire stamped load capacity shall be 33,080 pounds per axle with a nominal speed rating of 75 <br />miles per hour when properly inflated to 130 pounds per square inch. <br />The Michelin Intermittent Service Rating maximum load capacity shall be 35,396 pounds per axle with <br />a maximum speed of 75 miles per hour when properly inflated to 130 pounds per square inch. <br />The Michelin Intermittent Service Rating maximum speed capacity shall match the nominal speed <br />rating. <br />The Michelin Intermittent Service Rating limits the operation of the emergency vehicle to no more than <br />fifty (50) miles of continuous operation under maximum recommended payload, or without stopping for <br />