CATERPILLAR has announced new horsepower ratings for its C11, C13, and C15 on-highway engines. At the top of the list are two new ratings for the C15, which will be offered with 625 hp and 600 hp ...

In addition to dual turbochargers you see stacked in series, this C13 ACERT engine (like the C11) receives a new cross-flow head, larger oil sump, higher compression ratio, and rotating components ...

Truckers and fleets seeking to operate a high-horsepower truck can now order the Caterpillar C15 engine in 625 and 600 horsepower ratings in Kenworth’s W900L long-nose conventional. "Kenworth is ...

This story appears in the March 23 print edition of Transport Topics. LOUISVILLE, Ky. — Navistar Inc. said it soon will introduce a 15-liter engine, which combines the fuel-induction technology of its ...