2024 Peterbilt 389 Mpg Rating. The peterbilt 389 is engineered to handle substantial weights, boasting an impressive gross vehicle weight rating (gvwr) and gross combined weight rating (gcwr), making it suitable for a wide array of. 2024 peterbilt 389 for sale in allentown, pennsylvania at www.peterbiltredoval.com.

The peterbilt 389 is engineered to handle substantial weights, boasting an impressive gross vehicle weight rating (gvwr) and gross combined weight rating (gcwr), making it suitable for a wide array of. 2050 torque, 18 speed eaton transmission, 150 dual fuel tanks, 13,200 dana spicer front axle, 40k meritor.