John Berry owns this 2020 Peterbilt 389, which sports a 70-inch flattop sleeper and sits on a 280-inch wheelbase. The truck is powered by a 565-hp Cummins X15 Performance Series with an 18-speed.

Chris Ransom drives this 2018 Peterbilt 389 flattop for JTF Trucking, which is owned by John and Tami Farnsworth out of Phoenix. The truck sits on a 280-inch wheelbase and sports a Cummins X15 with an ...

Nearly 50,000 Kenworth and Peterbilt tractors and more than 3,000 Volvo tractors are now included in a recall affecting trucks equipped with Cummins ISX15 or X15 engines, according to documents from ...

Given its vast popularity, it's fair to say that the Cummins X15 engine is the backbone of the American freight trucking industry. And while Cummins makes several heavy-duty truck engines, as the ...

Clessie Cummins founded the Cummins Engine Company over 100 years ago, and the company has been regularly churning out big-capacity and big-power diesel engines since then. While the largest Cummins ...

This Peterbilt 579 is powered by the Cummins X15N natural gas engine – Cummins' latest, greatest and biggest natural gas engine. Peterbilt has fully integrated the X15N with its Model 579 powertrain ...