Description
**2021 Peterbilt 579 Day Cab – 430HP MX-11 – 12-Speed AMT – Single Axle**
Now available in **Porterville, CA**, this clean **2021 Peterbilt Motors Company 579** day cab is designed for efficiency, maneuverability, and dependable performance. Finished in white with a Prestige Sterling Gray interior, this single-axle configuration is ideal for regional, local, or dedicated route operations.
Powered by a **Paccar MX-11 diesel engine rated at 430 HP** (Engine Serial: X016227) and paired with a **12-speed PACCAR PO-xxF112C Automated Manual Transmission (AMT)**, this truck delivers smooth, fuel-efficient performance. The 2.93 rear end ratio and shorter 156” wheelbase provide excellent maneuverability, making it well-suited for tighter routes and urban applications.
With **339,578 miles** (339,577 ECM verified) and **7,518 engine hours**, this unit has been fleet maintained and is work-ready.
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### Key Specifications:
* **Engine:** Paccar MX-11 – 430 HP
* **Transmission:** 12-Speed Automated Manual (AMT)
* **Axle Configuration:** Single Axle
* **Front Axle Capacity:** 12,350 lbs
* **Rear Axle Capacity:** 21,000 lbs
* **GVWR:** 33,350 lbs
* **Rear End Ratio:** 2.93
* **Wheelbase:** 156”
* **Suspension:** Peterbilt Air Trac Air Ride
* **Brakes:** Air
* **Fuel Capacity:** Dual 50-gallon aluminum tanks (100 gallons total)
* **EPA Year:** 2020
* **5th Wheel:** Stationary
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### Exterior & Equipment:
* Aluminum Front & Rear Wheels
* 295/75R22.5 Tires Front & Rear
* Chrome Bumper
* Chrome Exhaust
* Stainless Visor
* Heated Mirrors
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### Interior & Driver Comfort:
* Prestige Sterling Gray Interior
* Dual High-Back Seats
* Air Ride Passenger Seat
* Air Conditioning
* Power Windows
* Power Door Locks
* Power Steering
* Cruise Control
* CB Radio
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**VIN:** 1XPBAK8X9MD751744
**Stock #:** U2238 / 751744
This non-sleeper 2021 Peterbilt 579 offers strong fuel efficiency, excellent maneuverability, and premium driver features—ready for immediate operation.
Contact us today for pricing and availability.Specifications
Year2021
ManufacturerPETERBILT
Model579
Mileage339,578 mi
VIN1XPBAK8X9MD751744
ConditionUsed
Stock NumberU2238
DOTYes
Engine ManufacturerPACCAR
Engine ModelMX-11
Engine Displacement11 l
Fuel TypeDiesel
Drive4x2
Number of Rear AxlesSingle
Gross Vehicle Weight RatingClass 8: 33,001 pounds or greater
Drive SideLeft Hand Drive
Year2021|
ManufacturerPETERBILT|
Model579|
Mileage339,578 mi|
VIN1XPBAK8X9MD751744|
ConditionUsed|
Stock NumberU2238|
DOTYes|
Engine ManufacturerPACCAR|
Engine ModelMX-11|
Engine Displacement11 l|
Fuel TypeDiesel|
Drive4x2|
Number of Rear AxlesSingle|
Gross Vehicle Weight RatingClass 8: 33,001 pounds or greater|
Drive SideLeft Hand Drive|
