Introducing what isn't just the best truck we've ever built, but what might be the best truck anyone has ever built. The all-new 49X was built from the ground up to bring toughness into the modern age with an impressive collection of engineering, technology and more than half a century of experience building trucks that take on any challenge, anywhere. So, whether you need a rugged vocational truck or a semi truck, and whether you've owned Western Star for years or will for the first time, it's time to break new ground with the all-new 49X.