Back to inventory

Used

2021 Peterbilt 579

$44,900.00 (865) 546-9553

This 2021 Peterbilt 579 day cab tractor is powered by a 405 HP PACCAR MX-13 engine backed by an automated transmission, with a 3.08 rear axle ratio for efficient highway operation. It rides on a 12,000 lb front axle and 40,000 lb rear axle with low air leaf rear suspension, on 11R22.5 tires. Finished in White with a Premier interior in Sterling Grey, it's backed by a limited warranty (subject to inspection) with extended coverage options available. Contact us to learn more.

Stock Number:
U738504
Model:
579
Miles:
446,105
Location:
The Peterbilt Store - Knoxville

Apply for Financing

Overview

Overview
This 2021 Peterbilt 579 is configured as a day cab tractor on a 181" wheelbase.

Engine & Drivetrain
Powered by a PACCAR MX-13 engine rated at 405 HP at 1,600 RPM, producing 1,650–1,750 lb-ft of torque at 900 RPM. Paired with an automated transmission. Rear axle ratio is 3.08.

Chassis & Axles
Front axle rated 12,000 lbs. Rear axle rated 40,000 lbs. Wheelbase measures 181".

Suspension
Low air leaf rear suspension.

Cab & Interior
Day cab configuration finished in White, with a Premier interior in Sterling Grey.

Tires & Wheels
11R22.5 tires, front and rear.

Warranty & Protection
As a used truck not confirmed for Red Oval certification, this unit comes standard with an Assurant 30-day limited warranty. An Assurant Heavy Truck Extended Service Contract is available for additional coverage beyond the standard term, with multiple plan levels and term lengths to choose from. Coverage is subject to inspection and approval.

Specifications

Engine Model

PACCAR MX-13

Wheelbase

181

HP | Torque

405 | 1750

Front Axle

12,000

Transmission

Automated

Rear Axle

40,000

Cab Configuration

Day Cab

Rear Axle Ratio

3.08

Trim Level

Premier - Sterling Grey

Rear Suspension

LOW AIR LEAF

Paint Color

White

Tires Front | Rear

11R22.5 | 11R22.5

Estimate Your Monthly Payment

Use our online tool to get an estimated monthly payment and see how different financing options can impact your bottom line.

Estimate payments

Our Experienced Finance Team is Here to Help

Competitive Rates:
We work with a network of lenders to secure the most competitive rates available.

Fast and Easy Approvals:
Get the green light quickly so you can focus on running your business.

Expert Guidance:
Our knowledgeable finance professionals will guide you through every step of the process.

apply for financing

*Offer subject to credit approval. Standard credit underwriting guidelines through a Pete Store partner lender apply. Not all trucks will qualify, and actual dealer incentives and finance terms may vary and will depend on many factors, including applicant and/or guarantor credit profile(s) and additional approval conditions. The Pete Store, selling dealer, and our banking partners reserve the right to amend, supersede, or terminate this program at any time. Additional state restrictions may apply. Cannot be combined with any other offers.