Caterpillar’s new C9 engine, employing the company’s ACERT emissions-reduction technology, gave a strong performance during recent on-road and off-road tests by Truckers News in Sterling medium-duty ...

Heavy truck operators wanting to reduce tare weight by running a smaller engine now have another choice: the Caterpillar C9, a midrange inline-6 with heavy duty features, and the builder's first ACERT ...

Kenworth Truck Co. will offer the Caterpillar C9 engine for its W900S and T800 vocational models to help customers lower operating cost and enhance productivity by reducing weight and increasing ...

LAS VEGAS, Nev. — Kenworth will offer the Caterpillar C9 engine for its W900S and T800 vocational models in a move that the company says will to help customers lower operating cost and enhance ...