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.