Freightliner’s Severe Duty line includes both 108- and 114-in. bumper to back of cab configurations – both with set-back axle positions as well as a Coronado SD version for extreme heavy-hauls and severe off-road applications. The 108SD features a 42-in. set-back axle with rating from 10,000 to 20,000 pounds and single and tandem rear axle options from 21,000 to 46,000 pounds. Power options include a standard Detroit Diesel DD13 or Cummins ISB and ISC diesel engines.
The Freightliner 114SD vocational truck features a set-forward axle with a standard 31-in. position or an optional 29.5-inch bridge formula configuration, and a set-back 48-in. setting for enhanced maneuverability. Front axle ratings are available up to 23,000 pounds, and heavy rear axle configurations for single axles are available up to 38,000 pounds. Tandem rear axle ratings range up to 58,000 pounds and tridem ratings are up to 69,000 pounds.