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South Bend Fire Department <br />CommanderChassis <br />AIR GOVERNOR <br />An air governor shall beprovided to control the cut-in and cut-out pressures of the engine <br />mounted air compressor. The governor shall be calibrated to meet FMVSSrequirements. The air <br />governor shall be integrated in the air dryer assembly. <br />One (1)Cummins L9Surcharge <br />06-00-0051 <br />One (1)450HP Cummins L9 -2017 <br />06-00-1578 <br />HORSEPOWER <br />The engine shall have 450 horsepower at 2100 RPM, with a governed speed of 2200 RPM. <br />The engine shall have 1250-foot pounds of torqueat 1400 RPM. <br />The engine shall have a standard drain plug. <br />One (1)Fan Clutch - L9 <br />06-02-1110 <br />ENGINE FAN DRIVE <br />The engine cooling system fan shall incorporate athermostatically controlled, one (1) piece nine <br />(9) blade Horton clutched type fan drive,and shroud. <br />When the clutched fan isdisengaged it shall facilitate improved vehicle performance, cab heating <br />in cold climates, and fuel economy. The fan clutch design shall be fail safe so that if the clutch <br />drive fails, the fan shall engage to prevent engineoverheating due to thefan clutch failure. <br />One (1)Fan Clutch Programming- Standard <br />06-04-3000 <br />The clutch fan shall automatically engage in pump mode (whenapplicable). <br />One (1)AuxiliaryEngineBrakeCompression Brake (JAKE) <br />06-02-1526 <br />AUXILIARY ENGINE BRAKE <br />ACumminsenginecompressionbrake,forthesix(6)cylinderengine,shallbeprovided.The <br />engine compression brake shall: <br />·Activate upon 0% accelerator when in operationmode and activate the vehicle’s brake lights. <br />10039-001609/02/20 <br />61 <br />PDF created with pdfFactory Pro trial version www.pdffactory.com <br /> <br />