About Product
2023 Peterbilt 579 – Heavy-Duty Sleeper with Drop Axle & Full Lockers
This 2023 Peterbilt 579 is built for serious long-haul performance and maximum load capacity. Powered by a Cummins X15E engine with 500 horsepower and paired with a 13-speed Eaton-Fuller manual transmission, this truck delivers both strength and control.
Equipped with a 13.5K lb drop axle, full locking differentials, and a vertical exhaust stack, it’s designed for demanding freight and rougher terrain operations. The 72” mid-roof sleeper provides a comfortable rest area without sacrificing aerodynamics.
🔧 Key Features:
72” mid-roof sleeper cab
Cummins X15E engine – 500 HP
13-speed Eaton-Fuller manual transmission
GVWR: 65,500 lbs
Pete Low Air Leaf suspension
265” wheelbase
3.36 axle ratio
13.5K lb drop axle
Full lockers
Vertical exhaust stack
All aluminum wheels
LP22.5 tires front and rear
Front axle: 12,000 lb
Color: White/Red