Moving up in the PACCAR line takes us to the MX-11, which is used in Peterbilt model 567 and 579 trucks. This 10.8-liter engine can put out as much as 430 horsepower and 1,650 pound-feet of torque.
2020 389 Peterbilt customized by Transdiff in Quebec 525 X15 Cummins 272 inch wheel base 3:55 rears 3/4 Lockers 18 speed Trans 3:55 Rears 5 inch dropped air ride front axle Low leaf rear suspension ...