Back to inventory

Used

2021 Peterbilt 579

Call For Price (508) 316-2799

This 2021 Peterbilt 579 day cab tractor is powered by a 400 HP Cummins ISX15 paired with an Eaton automated transmission, riding on a 181" wheelbase with a 40,000 lb rear axle and 3.08 ratio. Low air leaf rear suspension and a clean white finish with a standard interior round out a straightforward, work-ready unit. Backed by a limited warranty (subject to inspection) with extended coverage options available. Contact us to learn more.

Stock Number:
U739023
Model:
579
Miles:
286,710
Location:
The Peterbilt Store - Boston

Apply for Financing

Overview

Overview
This 2021 Peterbilt 579 is a day cab tractor built on a 181" wheelbase, finished in white with a standard interior.

Engine & Drivetrain
Powered by a Cummins ISX15 engine rated at 400 HP, meeting EPA emissions standards. Paired with an Eaton automated transmission.

Chassis & Axles
Front axle rated at 12,000 lbs, rear axle rated at 40,000 lbs, with a 3.08 rear axle ratio.

Suspension
Low air leaf rear suspension.

Cab & Interior
Day cab configuration with a standard interior, finished in white.

Tires & Wheels
LP 22.5 tires, front and rear.

Warranty & Protection
As a used unit without Red Oval certification, this truck is backed by the standard Assurant 30-day limited warranty, with an Assurant Heavy Truck Extended Service Contract available as an optional upgrade across multiple plan levels and term lengths — eligible pending a qualifying inspection.

Specifications

Engine Model

Cummins ISX 15

Wheelbase

181

HP | Torque

400 | N/A

Front Axle

12,000

Transmission

Automated

Rear Axle

40,000

Cab Configuration

Day Cab

Rear Axle Ratio

3.08

Trim Level

Standard

Rear Suspension

LOW AIR LEAF

Paint Color

White

Tires Front | Rear

LP 22.5 | LP 22.5

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.