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 ...

This 1988 Pete 379 is now powered by a 350-hp Cat 3406B with a 13-speed and 3:36 rears. The engine, transmission and rears were the biggest changes Hooper made to the truck when he bought it.