2024 Peterbilt 579 Specs Mpg

2024 Peterbilt 579 Specs Mpg. At 65 mph, the engine turned 1,100 rpm, just 100 rpm above a seemingly hardwired downshift point. It turned 1,200 rpm at 70 mph, leaving 200 rpm before dropping out.

This new peterbilt 579 is now available at stahl peterbilt. I know a guy with a 21 579 500 horse x15 efficiency series, 13 speed with 3.25 rears on low pro 22.5.