Cummins’ ISM diesel can save weight and, with a new 425-horsepower rating, can provide high performance for operators of dump, mixer and other vocational trucks, according to Kenworth, which is offering the new rating in its W900S and T800 short-hood models, including those equipped with front-engine power take-offs.
Cummins’ ISM diesel can save weight and, with a new 425-horsepower rating, can provide high performance for operators of dump, mixer and other vocational trucks, according to Kenworth, which is offering the new rating in its W900S and T800 short-hood models, including those equipped with front-engine power take-offs. The 11-liter ISM weighs 500 pounds less than a 13-liter diesel, yet delivers the high power and a healthy 1,550 pounds-feet of torque, the latter at 1,200 rpm. Up to 500 pounds more payload can therefore be carried, and often would be in ready-mix concrete and certain other applications, said Kenworth vocational specialists. The ISM is expected to be popular among operators of mixers and “super dumps” in bridge-formula states, and can be mated to manual or automatic transmissions.