PURPOSE-BUILT TO REDEFINE WHAT A HIGHWAY TRUCK SHOULD BE.
Introducing the Western Star 57X, the newest member of the Western Star X-Series family and the most advanced and driver-focused highway truck Western Star has ever built.
THE TRILOGY OF TOUGH IS NOW COMPLETE
Built on a history of toughness and equipped with technology, comfort, safety and efficiency that rewards you every time you get behind the wheel and when you check your bottom line. Western Star has pushed the laws of aerodynamics to the max and these advancements, coupled with the latest powertrain technologies, have come together seamlessly to deliver the most fuel-efficient highway truck we’ve ever made.