2021 Peterbilt 579

$46,500

UsedClass 8Day Cab

Tampa, FL

Miles

515,804 mi

Year

2021

Engine

Cummins X15

Horsepower

400 HP

Transmission

Automated Manual

Axle Config

6x4

Description

Very Good Condition, 515,812 Miles, **Brand New Turbo, PM Serviced, DOT. Qty 10 New Virgin 22.5LP Tires On 10 Aluminum Wheels, Airslide 5th Wheel, 185" Wheelbase, Air Ride Cab, Call or come by Rush Truck Center – Tampa and let one of our sales professionals show you this one.

Specifications

Engine

Make: Cummins
Model: X15
HP: 400
Displacement: 15L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual

Dealer

Rush Truck Centers

Tampa, FL

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2021 Peterbilt 579

$46,500

UsedClass 8Day Cab

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Tampa, FL

Trans. Model

EEO-16F112C12

Chassis

Wheelbase: 185"
Cab Type: Conventional
GVWR: 52,000 lbs
Front Axle: 12,000 lbs

Equipment

Wheels: Aluminum

Details

Mileage: 515,804 mi
Body Type: Truck-Tractor

VIN

1XPBD49X3MD738540

NHTSA Verified

Stock #

rush-598348

Dealer

Rush Truck Centers

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Market Index

2021 Peterbilt 579 X15

View full index →

Median Price

$59,439

This listing

22% below market median

Active listings

265

Specifications

Engine

Make: Cummins
Model: X15
HP: 400
Displacement: 15L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual
Trans. Make: Eaton
Trans. Model: EEO-16F112C12
Speeds: 12
Axle Config: 6x4
Rear Ratio: 2.79

Chassis

Wheelbase: 185"
Cab Type: Conventional
GVWR: 52,000 lbs
Front Axle: 12,000 lbs

Equipment

Wheels: Aluminum

Details

Mileage: 515,804 mi
Body Type: Truck-Tractor

Description

Features

Air RideAluminum Wheels

Finance calculator

2021 Peterbilt 579 · 515,804 mi

Est. monthly

$889.43

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$4,650

Owner-ops: 10–20% typical

APR (9.50%)

Prime 7–9% · Median 9–12% · Subprime 14%+

Trade-in value

Deducted from financed amount

Condition

Drives Federal Excise Tax (FET)

Federal Excise Tax (FET)

FET applies$0

Skip if straight truck under 33k GVWR or trailer under 26k GVWR.

Off — used vehicles are exempt

Sales tax (0.00%)

Often 0% for interstate commercial use

Doc fee

Some states cap (CA $85, NY $75)

Title + registration

State title + lien fee

Balloon payment at end

Lowers monthly; paid as lump at term

Apply Section 179 first-year deduction

Heavy trucks (GVWR > 14,000 lbs) qualify for full deduction up to $1,220,000 in 2026. Assumes purchase in service this tax year. Consult a CPA.

Amount financed

$42,350

Total interest

$11,016

Total cost

$58,016

Effective / month

$889.43

Estimate only. Actual financing depends on credit, dealer program, and lender terms. Heavy-truck APRs typically range 7–18% depending on credit tier, vehicle age, and LTV. Interstate commercial-use purchases are often exempt from state sales tax. TruckRadar is not a lender. Consult a commercial-vehicle lender for binding quotes.

Price History

Date	Price	Change
Apr 17, 2026	$46,500	-$450
Feb 24, 2026	$46,950	--

Apr 17, 2026

$46,500

-$450

Feb 24, 2026

$46,950

Market Index

2021 Peterbilt 579 X15

View full index →

Median Price

$59,439

This listing

22% below market median

Active listings

265

2021 Peterbilt 579

Description

Specifications

Dealer

2021 Peterbilt 579

Specifications

Engine

Drivetrain

Chassis

Equipment

Details

Description

Features

Finance calculator

Price History

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