Cummins ISB raises the bar for performance and productivity in every type of medium-duty truck, P&D van or other vehicle. At the same time, it lowers noise by as much as 80% and meets every EPA and Euro emissions standard through 2006. In other words, we’ve taken an engine that has proven worldwide acceptance (over 3 million sold) and improved it in virtually every aspect, from acceleration to pulling power (up to 350 lb-ft of clutch engagement torque) to fuel economy (increased by as much as 2%). Features And Benefits