Description
This unit cannot be registered in California.
The 2026 Peterbilt 579 is engineered for long-haul efficiency and driver comfort, featuring a spacious 80-inch sleeper that supports extended trips with ease. Powered by a robust Cummins X15 engine delivering 450 horsepower, this model is paired with a Fuller 12-speed Endurant transmission, providing smooth and reliable shifting for demanding routes. With a GVWR of 52,350 pounds, it is well-suited for heavy freight and logistics operations that require both power and endurance.
579, Cummins, X15 @450HP, Fuller 12 Speed Endurant Automated Transmission, 80" Ultraloft Sleeper, 235" WB, Low Air Leaf suspension, 22.5 Tires on all aluminum wheels, 2.79 Ratio.
Designed to meet the needs of professional drivers, the Peterbilt 579 combines advanced diesel technology with a sleeper cab that enhances rest and productivity on the road. This truck is commonly used in freight hauling and long-distance transportation, making it an ideal choice for fleets focused on performance and driver satisfaction.
For more information about the 2026 Peterbilt 579 or to arrange a test drive, contact Rush Truck Centers – Fontana. Our knowledgeable team is ready to assist you in exploring the features and capabilities of this new Peterbilt model to find the perfect fit for your business needs.
Braketype: AIR
Sleeperheater
CabToAxleLength: 161
CabToEndOfFrameLength: 217
GrossCombinedWeight: 80000Specifications
Year2026
ManufacturerPETERBILT
Model579
VIN1XPBD49X9TD798045
ConditionNew
Stock Number1922254
Horsepower450 HP
Engine ManufacturerCUMMINS
Engine Displacement14.9 l
Fuel TypeDiesel
Engine BrakeYes
Transmission ManufacturerFULLER
Number of Speeds12 Spd
Ratio2.79
Drive6x4
SuspensionTaper Leaf
Number of Rear AxlesTandem
Gross Vehicle Weight RatingClass 8: 33,001 pounds or greater
Gross Vehicle Weight52,350 lb
Front Axle Weight12,500 lb
Rear Axle Weight40,000 lb
Tires22.5
WheelsAluminum
Wheelbase235 in
Brake System TypeDisc
Drive SideLeft Hand Drive
Sleeper TypeRaised Roof Sleeper
Sleeper Size80 in
ColorRED
Year2026|
ManufacturerPETERBILT|
Model579|
VIN1XPBD49X9TD798045|
ConditionNew|
Stock Number1922254|
Horsepower450 HP|
Engine ManufacturerCUMMINS|
Engine Displacement14.9 l|
Fuel TypeDiesel|
Engine BrakeYes|
Transmission ManufacturerFULLER|
Number of Speeds12 Spd|
Ratio2.79|
Drive6x4|
SuspensionTaper Leaf|
Number of Rear AxlesTandem|
Gross Vehicle Weight RatingClass 8: 33,001 pounds or greater|
Gross Vehicle Weight52,350 lb|
Front Axle Weight12,500 lb|
Rear Axle Weight40,000 lb|
Tires22.5|
WheelsAluminum|
Wheelbase235 in|
Brake System TypeDisc|
Drive SideLeft Hand Drive|
Sleeper TypeRaised Roof Sleeper|
Sleeper Size80 in|
ColorRED|