Ratings
ISX EPA-07 Family 3 Linehaul Truck Applications
Engine Model Advertised Hp Peak Torque Governed RPM
ISX 600 600 2050 @ 1200 2000
ISX 600 600 1850 @ 1200 2000
ISX 550 550 1850 @ 1200 2000
ISX 525 525 1850 @ 1200 2000
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ISX EPA-07 Family 2??Linehaul Truck??Applications
ISX 550** 550 1850 @ 1200 2000
ISX 500 ST 500 1650/1850 @ 1200 2000
ISX 500 500 1850 @1200 2000
ISX 500 500 1650 @1200 2000
ISX 485 ST 485 1650/1850 @1200 2000
ISX 485 485 1850 @ 1200 2000
ISX 485 485 1650 @1200 2000
ISX 455 ST 455 1550/1750 @1200 2000
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ISX EPA07 Family 1 Linehaul Truck??Applications
ISX 475 ** 475 1650 @ 1200 2100
ISX 450 ST 450 1550/1750 @ 1200 2100
ISX 450 ST 450 1450/1650 @ 1200 2100
ISX 450 450 1650??@ 1200 2100
ISX 450 450 1550 @ 1200 2100
ISX 435 ST 435 1550/1750 @ 1200 2100
ISX 435 ST 435 1450/1650 @ 1200 2100
ISX 425 ST 425 1550/1750 @ 1200 2100
ISX 425 ST 425 1450/1650 @ 1200 2100
ISX 425 425 1650 @ 1200 2100
ISX 400 ST 400 1550/1750 @ 1200 2100
ISX 400 ST 400 1450/1650 @ 1200 2100
ISX 400 400 1450 @ 1200 2100
ISX 385 ST* 385 1450/1550 @ 1200 2100
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ISX EPA-07 Vocational Truck Applications
ISX 500 V 500 1850 @ 1200 2000
ISX 500 V 500 1650 @ 1200 2000
ISX??435 V 435 1450 @ 1200 2000

* ISX 385 ST - Available without Intebrake
** Family 1 ISX 475 and Family 2 ISX 550 Service Calibrations Only

Please note: ISX Family 1 and Family 2 SmartTorque ratings of 1550/1750 may require additional consideration for transmission compatibility


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