The ProStar+ is a driver's truck. A more productive truck.
The most efficient and innovative Class 8 truck on the road.

Brochure - PayStar

Spec Card - DayCab

Spec Card - Sleeper




A History of Results

The last time the industry saw the ProStar partnered with the ISX15 (2009), it was the bestselling truck/engine combination in Class 8. ISX15 and ProStar+ is not only an opportunity to buy a superior truck and engine, but also an opportunity to buy a proven formula for success for your business.

Proven Big Bore Performance

With performance ratings for heavy-haul, premium fleets and owner/operators, Cummins ISX15 is one of the most popular heavy duty engines in North America.

Broad Horsepower Range (400HP - 500HP)

Highly adaptable to a wide variety of needs, the ISX15 is available with your choice of horsepower ratings ranging from 400HP to 500HP.

Exceptional Fuel Exconomy

XPI Fuel System delivers superior performance, regardless of engine rpms. Multiple injection events per cycle improve fuel efficiency and enable smoother, quieter ride.

Best In Class Aerodynamics

ProStar+ is one of the most aerodynamic Class 8 Trucks on the road. With wraparound windshields and optional full-length chassis skirts, the ProStar+ makes every mile count.

Superior Ride, Handling, and Maneuverability

4-point, air-over-strut cab suspension and a combo of on-and-off center steering coupled with ISX15's braking horsepower (600+) and stronger clutch engagement work together to deliver an unparalleled ride.

Best In Class Visibility

A one-piece aerodynamic wraparound windshield works in combination with a sloped hood and lower placed instrument panel to deliver best in class visibility.

Exceptional Driver Comfort & Quiet Cab

Advanced ergonomic design, increased foot room, driver information display (includes Bluetooth and integrated microphone) and strategically positioned engine and cab mounts along with injection-molded floor insulation (over a reinforced steel cab floor) are all designed to deliver not only the most comfortable ride, but the quietest one as well.

Sophisticated Solutions System: OnCommand

From service, parts, maintenance & inventory management to repair advocate and maintenance education, OnCommand provides a sophisticated group of tools and resources that help increase efficiency in your business.

Superior Dealer Networks

International offers the industry's largest network of truck experts, with flexible parts, service and financing programs, and likewise, Cummins offers one of the most trusted service networks in the industry with over 3,500 locations across North America