They use a low hood design with up to three diesel gensets that supply current to the traction motors. The current gensets use a  Cummins diesel engine and can be easily swapped in and out for repair or overhaul work.
These vehicles feature a low hood design with up to three diesel generators that supply power to the electric motors. These generators are powered by Cummins diesel engines, which can be readily swapped out for maintenance or repair work.