379x

: It came equipped with dual 7-inch chrome exhaust stacks and stainless steel "clamshell" fenders.

Inside, the 379X was just as distinct. Peterbilt marketed it with a "rugged but refined" aesthetic: : It came equipped with dual 7-inch chrome

The 379X was instantly recognizable by its "bright-out" package. While standard 379s were already known for their polish, the 379X took it further with: the 379X took it further with: