Navistar’s International WorkStar models 7600 and 7700 have been combined into one model with two variations, the 7600 46-in. set-back axle) and the 7600 30-in. set-forward axle. Both models feature a 113-in. bumper-to-back-of-cab for increased cooling efficiency. A crew cab configuration is available in heavy-duty diesel models with front axle ratings up to 18,000 pounds for select applications. All-wheel drive is also available up to 18,000 pounds on front axles on mid-range diesel configurations and steerable 20,000-pound lift axles available from the factory. The WorkStar will be standard equipped with an aluminum fuel tank.
Affected trucks include model year 2008-2018 Freightliner Cascadia and Western Star 4700, 4900, 5700 and 6900 trucks. DTNA says after hard brake applications, the brake light pressure switch may not activate the brake lights with the light application of the brake pedal.