Freightliner Trucks has announced that the Cummins® ISC diesel engine is available for the Business Class M2 106 truck. The 6-cylinder, 8.3-liter Cummins ISC engines have a horsepower range from 240 to 330 hp with a torque range up to 950 lb.ft. To help increase stopping power while reducing brake wear, an exhaust brake is available on the ISC.