WILLOUGHBY, Ohio — Western Star Trucks recently announced the availability of the Cat C15 engine rated at 600 and 625 horsepower in select models. For heavy-haul and severe-duty applications, the ...

DENTON, Tex., (Sept. 17, 2004) — The Caterpillar C15 engine, rated at 600 and 625 horsepower, is now available for order with Peterbilt’s Model 379-127 and Model 379X. Peterbilt began manufacturing ...