Kenworth is offering two special Cummins N14 engine ratings available for immediate delivery. The two ratings include increased horsepower to 475 at 2100 rpm with torque limits of 1,650 and 1750 pound-feet, respectively, at 1200 rpm. These new ratings will be offered in all Kenworth models that currently offer an N14 as an option, including the T2000, W900, T800, T600, and C500.