Freightliner / Heavy Duty Truck Freightliner / Heavy Duty Truck Conventional Trucks 108SD Plus 114SD Plus Cascadia Class 8 eCascadia EconicSD eM2 M2 106 Plus M2 112 Plus Conventional without Sleeper 114SD Natural Gas Cascadia Natural Gas M2 112 Natural Gas Freightliner / Heavy Duty Truck