Uprateability - N14 Plus

Engines Built Before 10/02

N14+ Uprateability (hardware required to uprate to the next family)

Family 1Family 2Family 3
330350370425370ESP400410435*460435460475500525
BaselineSoftware CalibrationSoftware Calibration
    PistonInjector
    Camshaft 
    Injector 
    Accessory Drive Pulley 
    Turbocharger     
Notes:
1. Tables are based on advertised horsepower and represent straight, ESP, SmartTorque and Fire Truck ratings.
2. (*) Family Uprate Calibrations for use at time of resale for residual enhancement
3. There is no engine modification charge or refund associated with 'derating' an engine.
4. Uprates are not to violate the driveline manufacturer's or the OEM's cooling package limitations.