57x May 2026

: Uses camera and radar to detect moving or stationary objects and can deploy full braking at speeds as low as 5 mph.

: The truck is powered exclusively by Detroit engines, including the DD13 Gen 5, DD15 Gen 5, and DD16. : Uses camera and radar to detect moving

Engineered for the bottom line, the 57X is than its predecessor. This gain is achieved through: This gain is achieved through: : Available in

: Available in sleeper models, this space includes a two-seat dinette and a foldable worktable that converts into a Murphy-style bed. including the DD13 Gen 5

: An industry-first technology designed to prevent right-hand turns into moving cyclists or pedestrians.

The Western Star 57X represents a significant leap forward, offering the rugged reliability of the 47X and 49X but refined for the high-mileage demands of the open road.