2021 PETERBILT 579

2021

276,955 mi

1XPBAK8X6MD762376

Used

U2303

Yes

**2021 Peterbilt 579 Day Cab – 430HP MX-11 – 12-Speed AMT (Autoshift) – Single Axle** Located in **Porterville, CA**, this **2021 Peterbilt Motors Company 579** day cab is a single-axle, regional workhorse. Finished in **white** with a **Prestige Sterling Grey interior**, it combines reliability with driver comfort. This truck is powered by a **Paccar MX-11 diesel engine (430 HP, Engine Serial: X017614)** paired with a **12-speed PACCAR PO-xxF112C Automated Manual Transmission (Autoshift)**. Its **2.93 rear end ratio** and **156” wheelbase** provide stability and control for single-axle hauling. Interestingly, the odometer reads **276,957 miles**, but the ECM shows only **74 miles** and **5 engine hours**, suggesting either a reset or replacement of the engine/ECM. This makes it a unique case in terms of service history. --- ### Key Specifications: * **Engine:** Paccar MX-11 – 430 HP * **Transmission:** 12-Speed AMT Autoshift * **Axle Configuration:** Single * **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 * **EPA Year:** 2020 * **5th Wheel:** Stationary --- ### Exterior & Equipment: * Aluminum Front & Rear Wheels * Front/Rear Tires: 275/80R22.5 & 295/75R22.5 * Chrome Bumper & Chrome Exhaust * Stainless Steel Outside Sunvisor --- ### Interior & Driver Comfort: * Prestige Sterling Grey Interior * Air Conditioning * Tilt/Telescopic Steering Wheel * Power Steering, Windows, and Door Locks * Dual High-Back Seats * Airride Passenger Seat * Heated Mirrors * Cruise Control * CB Radio / AM/FM Radio --- **VIN:** 1XPBAK8X6MD762376 **Stock #:** U2303 / 762376 This 2021 Peterbilt 579 is a single-axle day cab with full driver comfort features, a reliable MX-11 engine, and an unusual low ECM mileage, making it an interesting option for regional or local operations.

PACCAR

MX-11

11 l

Diesel

4x2

Single

Class 8: 33,001 pounds or greater

Left Hand Drive