🛻 2023 Peterbilt 579 Trucks for Sale – Fleet Maintained, Warranty-Backed & Ready to Work

Looking to expand your fleet or upgrade your truck? MK Trucking is offering an exclusive opportunity to own one of 10 matching 2023 Peterbilt 579 units, each fleet-maintained, DOT-inspected, and fully loaded with comfort, safety, and efficiency features. These trucks are ready to hit the road today, offering excellent reliability and value for both owner-operators and fleet buyers.

🔧 Performance & Powertrain

Each 579 is equipped with the proven PACCAR MX-13 engine, delivering 455 horsepower and 1,650 lb-ft of torque, paired with a PACCAR TX-12 12-speed automated transmission for smooth, fuel-efficient operation across all terrains. Built on a lightweight aluminum frame, these trucks offer superior durability and corrosion resistance without sacrificing payload.

• Engine: PACCAR MX-13 – 455HP @ 1600 RPM

• Transmission: 12-Speed PACCAR TX-12 Automated

• Rear Axle Ratio: 2.85

• Suspension: Peterbilt Low Air Leaf 40K tandem axle

• Wheelbase: 260 inches

Whether you're hauling general freight, flatbeds, or running Amazon Relay lanes, these trucks are spec’d for maximum uptime and performance.

🏠 Premium Sleeper Comfort

The 80" UltraLoft High-Roof Sleeper offers a true home-away-from-home experience. Outfitted with Peterbilt's Prestige interior, each cab features modern ergonomic enhancements, premium materials, and top-tier driver conveniences.

• Full-size sleeper with doors, windows, dual cabinets & fridge

• SmartWheel multifunction steering

• Digital 15” cluster display & Bluetooth stereo

• 22” TV mount + dual antenna system

• Premium pocket-spring mattress

• Thermal insulation package for cab and sleeper

• Fuel-fired sleeper heater with digital climate control

Whether it’s long hauls or overnight routes, this cab keeps drivers rested, productive, and comfortable.

🛡️ Factory Warranty & Safety Tech

Drive with peace of mind thanks to an active 4-year / 500,000-mile extended factory warranty, covering major components including:

• Engine & Transmission

• Aftertreatment System

• HVAC, Clutch & More

In addition, safety and uptime are prioritized with advanced systems like:

• Bendix ESP Stability Control

• Full air disc brakes front and rear

• SmarTire™ TPMS

• SmartLINQ™ Remote Diagnostics – 24-month subscription included

🛢️ Efficiency & Maintenance-Ready

These units are not only lightweight and aerodynamic but come equipped with dual 110-gallon aluminum fuel tanks, a 24-gallon DEF tank with polished stainless cover, and anti-siphon protection. Routine servicing is simplified with:

• Aluminum frame & battery box

• Quarter fenders & polished wheels (Alcoa ULT397)

• Under-hood jumper terminals & extended deck plate

Each unit has completed DOT inspections and is immediately deployable—no downtime, no excuses.

📦 Spec Highlights Recap

📞 Call Today — These Will Move Fast

Don’t miss this opportunity to add a top-tier, late-model Peterbilt to your fleet at below-market pricing. These trucks are turnkey ready, warranty protected, and available in matching spec—perfect for fleet expansion or operator upgrade.

📱 Call/Text Brian Today at (228) 234-2119
📍 Located in Satsuma Alabama | Nationwide transport available