How much horsepower could the N14 Cummins make?

The Cummins N14 engine's horsepower output varied significantly depending on the specific configuration and year of manufacture. There wasn't one single horsepower rating. However, the N14 was available in a range from approximately 350 horsepower up to around 600 horsepower. The higher horsepower versions were typically achieved through turbocharging and other modifications.