57x -

: The truck is powered exclusively by Detroit engines, including the DD13 Gen 5, DD15 Gen 5, and DD16.

The New Standard for On-Highway Performance: The Western Star 57X : The truck is powered exclusively by Detroit

: Drivers can manage entertainment and vehicle information without taking their hands off the leather-wrapped wheel. including the DD13 Gen 5

The is the most advanced on-highway truck ever built by Western Star, designed to combine the brand's legendary "tough" DNA with modern efficiency and safety. Introduced as the final member of the X-Series lineup, it replaces the older 5700XE and is aimed specifically at owner-operators and small fleets. DD15 Gen 5

: Operates down to 0 mph, significantly reducing driver fatigue in stop-and-go traffic. A Driver-Centric Interior