The new line of Severe Duty (SD) trucks from Freightliner Trucks is designed to serve the Class 7 and 8 vocational markets. The SD product line features options such as front frame extensions and radiator-mounted grilles for body attachment installations.

The 108SD features a 42-inch, set-back axle position with axle ratings that range from 10,000 to 20,000 pounds for front axles, and single and tandem rear axle options from 21,000 to 46,000 pounds. The Cummins ISB and ISC engines provide a power range of 200 to 350 horsepower and 520 to 1,000 pound-feet of torque.

The 114SD model features a set-forward axle configuration with a standard 31-inch, front-axle position and optional 29.5-inch bridge-formula configuration, and a standard 48-inch, set-back axle configuration for maximum maneuverability. Front axle ratings on the 114SD are available up to 23,000 pounds and heavy rear-axle configurations for single axles are available up to 38,000 pounds.

Tandem axles are available up to 58,000 pounds and tridem axles up to 69,000 pounds.