For the second year in a row, Caterpillar's 3406 engine ranks highest in heavy-duty diesel engine satisfaction among customers of Class 8 trucks, according to the J.D. Power and Associates 2001 ...

MOSSVILLE, Ill. (May 4) — Caterpillar Engine has given its brawny lineup of truck engines beefier brains, introducing new electronic controls for Cat C-10, C-12, and 3406E 14.6-litre and 15.8-litre ...

Caterpillar is set to announce this year its plans for a 15-liter option for its CT series trucks. Could the company bring back to life Navistar’s 15-liter engine? Or will Cat look elsewhere?