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The Western Star 57X isn’t just another highway truck—it’s a game-changer. With its solid, beefy look and distinctive styling cues, the 57X stands out in a sea of aero-tuned haulers. But it’s not all about looks; this premium highway truck delivers where it matters most. Designed for interstate truckload haulers, the 57X offers a winning trifecta: efficiency, safety, and comfort. Under the hood, you’ll find powertrain options like the DD16 engine with 600 hp and 2,050 lb-ft of torque, ensuring you can handle heavy loads with ease. The Detroit DT12 On-Highway Series transmission keeps you moving smoothly, while the Detroit Assurance 5.0 safety features provide peace of mind. 


  1. Fuel Efficiency: The 57X is the most fuel-efficient truck Western Star has ever built—5.8% more efficient than its predecessor. Say goodbye to unnecessary fuel costs.

  2. Durability: With a steel-reinforced aluminum cab, 16K steer axle, and 46K drive axles, the 57X is built to withstand the toughest conditions.

  3. Premium Interior: Step inside, and you’ll experience the plush interior, advanced technology, and creature comforts that make every mile a pleasure.  


The Western Star 57X isn’t your average highway truck—it’s a game-changer. Built on a legacy of toughness, this truck combines rugged durability with cutting-edge technology. Let’s dive into what makes the 57X stand out:


1. Driver-focused cab: Life on the road just got better. The 57X features a new digital dash display—bright, customizable, and intuitive. And don’t miss the driver’s lounge in the back, fully customizable with options like a flat-screen TV, refrigerator, dinette, and even a full-size Murphy-style bed.


2. Efficiency at its core:

  • Advanced aerodynamics: We’ve pushed the limits of aerodynamics to deliver the most fuel-efficient highway truck Western Star has ever made.

  • Powertrain excellence: Under the hood, you’ll find powertrain options like the DD16 engine with 600 hp and 2,050 lb-ft of torque. Smooth sailing with the Detroit DT12 On-Highway Series transmission.

  • Real-time data: Thanks to Detroit Connect, you’ll have access to performance data that keeps those wheels turning and your bottom line healthy.


3. Safety first with Detroit Assurance®:

  • Active brake assist 5: This always-on system fuses camera and radar tech to detect obstacles and deploy full braking when needed.

  • Adaptive cruise control (ACC): Keeps your truck at a safe distance, even down to 0 mph.

  • Active lane assist: Combines Lane Keep Assist, Auto Stop, Lane Departure Protection, and Steer Assist.

  • Active side guard assist: Mitigates blind spot issues during right-hand turns.






Detroit Assurance 5.0 is the latest iteration of Detroit’s suite of advanced safety and driver assistance systems. Let’s delve into what makes this system stand out:


1. Active brake assist 5 (ABA 5):


2. Level 2 automation:

  • Detroit Assurance 5.0 is the first commercial truck ADAS system to offer Level 2 automation.

  • Levels 1 and 2 require a human driver to be in command, while Level 3 requires “some intervention” from the driver.

  • Levels 4 and 5 require no human intervention.


3. Safety and efficiency combined:


In summary, Detroit Assurance 5.0 brings cutting-edge safety features to commercial trucks, making highways safer for both drivers and other road users.


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