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2021 Peterbilt 579

$43,400

UsedClass 8Day Cab

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Houston, TX

2021 Peterbilt 579

$43,400

UsedClass 8Day Cab

Houston, TX

Miles

629,630 mi

Year

2021

Engine

Cummins X15

Horsepower

400 HP

Transmission

Automated Manual

Axle Config

6x4

Description

This Yellow 2021 Peterbilt 579 Day Cab just came in. This truck has a Cummins X15 Engine with 400 Horsepower, 629630 Miles, 12-speed Endurant Transmission, 2.79 Ratio, 186in Wheelbase, Low Air Leaf Suspension, 52350 GVWR, LP22.5 Tires, Air Slide 5th Wheel. Truck has been detailed and through the shop, so it is ready to roll. Call or come by Rush Truck Centers - Houston and let one of our sales professionals tell you about this or any of our trucks in inventory as well as the great financing options currently available. Delivery Available. Aftermarket Warranty Available. Se habla Espanol. Multiple Units Available.

Specifications

Engine

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

Drivetrain

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

Chassis

Wheelbase: 186"
Cab Type: Conventional
GVWR: 52,350 lbs

Equipment

Wheels: Aluminum

Details

Mileage: 629,630 mi
Body Type: Truck-Tractor

Dealer

Rush Truck Centers

Houston, TX

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VIN

1XPBD49X9MD738980

NHTSA Verified

Stock #

rush-612783

Dealer

Rush Truck Centers

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Market Index

2021 Peterbilt 579 X15

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Median Price

$59,439

This listing

27% below market median

Active listings

265

Specifications

Engine

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

Drivetrain

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

Chassis

Wheelbase: 186"
Cab Type: Conventional
GVWR: 52,350 lbs

Equipment

Wheels: Aluminum

Details

Mileage: 629,630 mi
Body Type: Truck-Tractor

Description

Finance calculator

2021 Peterbilt 579 · 629,630 mi

Est. monthly

$830.83

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$4,340

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

$39,560

Total interest

$10,290

Total cost

$54,190

Effective / month

$830.83

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.