This manual covers a range of Freightliner truck models, including the FLB COE, FLD Conventional, Business Class, FLC 112 Conventional, Century Class Conventional, Argosy COE, Cargo, Columbia, Coronado, Business Class M2, Cascadia, and 108SD/114SD. These vehicles are engineered for demanding commercial applications, offering robust performance and durability. Their design prioritizes operational efficiency and driver comfort, making them suitable for a wide array of hauling and transport needs.

The purpose of this guide is to provide comprehensive information for the maintenance and servicing of these Freightliner trucks. It details essential procedures, such as replacing the engine air filter element in Donaldson air cleaner systems. By following the instructions within this manual, owners and technicians can ensure optimal vehicle performance, longevity, and safety.