The 2026 Peterbilt 548 is built to deliver uncompromising performance and versatility for demanding vocational applications. Powered by the robust PACCAR PX-9 engine delivering 360 horsepower, this truck combines strength and efficiency to tackle heavy-duty tasks with confidence. Its Allison 6-speed automatic transmission ensures smooth, reliable shifting and optimal power delivery across varied terrains. Designed with a spacious and ergonomic day cab, the 548 offers comfort for long hours on the job while maintaining the rugged durability Peterbilt is known for. Currently offered as a cab and chassis, it’s a perfect platform for upfitting—whether you need a dump body, utility configuration, or custom solution. With its premium build quality, advanced engineering, and readiness to be tailored to your business, the Peterbilt 548 is more than a truck—it’s a long-term asset for your fleet.