2026 Peterbilt 579

$191,500

UsedClass 8Day Cab

Houston Northwest, TX

Year

2026

Engine

Cummins X15

Horsepower

500 HP

Transmission

Automated Manual

Axle Config

6x4

Fuel

Diesel

Description

Don’t miss out on this new 2026 Peterbilt Model 579 Day Cab. This unit features an X15 500 horsepower Cummins engine with 1650 torque partnered with an Eaton 12 speed automated transmission. Additional features include a 200 “ wheelbase, 10 aluminum wheels, 54 inch 5” diameter chrome exhaust, Meritor 12,5K front axle, Paccar 40K rear axle with Peterbilt Low Air Leaf suspension with 3.25 ratio. This unit has dual 26” aluminum 100/100 tanks, premium multi-function steering wheel, and sterling gray prestige interior. Call or stop by Rush Truck Center Houston or one of our other Southeast Texas locations in Sealy, Beaumont, or College Station. Financing and delivery available.

Specifications

Engine

Make: Cummins
Model: X15
HP: 500
Torque: 1650 ft-lb
Displacement: 14.9L
Fuel: Diesel

Drivetrain

Dealer

Rush Truck Centers

Houston Northwest, TX

Visit dealer page

Search trucks

1 / 20

2026 Peterbilt 579

$191,500

UsedClass 8Day Cab

Link copied!

Houston Northwest, TX

Trans. Model

EEO-16F112C12

Chassis

Wheelbase: 200"
Cab Type: Conventional
GVWR: 52,500 lbs
GCWR: 80,000 lbs
Front Axle: 12,500 lbs
Rear Axle: 40,000 lbs
5th Wheel Type: Holland FW35

Equipment

Wheels: Aluminum

Details

Body Type: Truck-Tractor

VIN

1XPBD49X3TD800629

NHTSA Verified

Stock #

rush-620938

Dealer

Rush Truck Centers

Your nameYour email addressYour phone number

By submitting this form you agree to receive SMS and email from this dealer regarding your inquiry. Msg & data rates may apply. Reply STOP to opt out at any time.

Is this your dealership? Claim it

Get notified about trucks like this

We'll email you when similar listings are added or prices drop.

Market Index

2026 Peterbilt 579 X15

View full index →

Median Price

$189,950

This listing

Near market median

Active listings

Specifications

Engine

Make: Cummins
Model: X15
HP: 500
Torque: 1650 ft-lb
Displacement: 14.9L
Fuel: Diesel

Drivetrain

Transmission: Automated Manual
Trans. Make: Eaton
Trans. Model: EEO-16F112C12
Speeds: 12
Axle Config: 6x4
Rear Ratio: 3.25

Chassis

Wheelbase: 200"
Cab Type: Conventional
GVWR: 52,500 lbs
GCWR: 80,000 lbs
Front Axle: 12,500 lbs
Rear Axle: 40,000 lbs
5th Wheel Type: Holland FW35

Equipment

Wheels: Aluminum

Details

Body Type: Truck-Tractor

Description

Features

Aluminum Wheels

Finance calculator

2026 Peterbilt 579

Est. monthly

$3,630.17

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$19,150

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

$172,850

Total interest

$44,960

Total cost

$236,960

Effective / month

$3,630.17

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.