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 ...
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 ...