HD208 Heavy Duty Truck Code Reader H208 Heavy Duty Code Reader Feature: 1. HD208 code reader is applicable to most auto repair shops. It covers Cummings, Detroit, Caterpillar, Freightliner, International, Kenworth, John Deere, Peterbilt, Sterling, Mack, Mecedes Benz, VOLVO and more diesel trucks and engines whoever are supported by the two standard protocal J1939 or…