2020 Kenworth T800

$99,750

UsedClass 8Day Cab

New Lenox, IL

Miles

249,000 mi

Year

2020

Engine

Cummins X15

Horsepower

500 HP

Transmission

Automatic

Axle Config

6x4

Description

2020 Kenworth T800. 500HP Cummins X15. 13 Speed Eaton Automatic Transmission. 46,000LB Full Locking Rears. Only 249,000 Original Miles. Air Ride Suspension. Loaded Interior. Gauge Package. 11R22.5 Tires. Poly Rear Quarter Fenders. Herd Bumper. Engine Brake. Cruise Control. Clean Kenworth T800

Specifications

Engine

Make: Cummins
Model: X15
HP: 500
Displacement: 15L
Fuel: Diesel

Drivetrain

Transmission: Automatic

Dealer

Forge Truck Centers

New Lenox, IL

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2020 Kenworth T800

$99,750

UsedClass 8Day Cab

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New Lenox, IL

Chassis

Wheelbase: 200"
GVWR: 33,001 lbs
Suspension: Air Ride

Details

Mileage: 249,000 mi
Body Type: Truck-Tractor

VIN

3WKDD40X9LF397371

NHTSA Verified

Stock #

forge-593896

Dealer

Forge Truck Centers

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Market Index

2020 Kenworth T800 X15

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Median Price

$99,750

This listing

Near market median

Active listings

Specifications

Engine

Make: Cummins
Model: X15
HP: 500
Displacement: 15L
Fuel: Diesel

Drivetrain

Transmission: Automatic
Speeds: 13
Axle Config: 6x4

Chassis

Wheelbase: 200"
GVWR: 33,001 lbs
Suspension: Air Ride

Details

Mileage: 249,000 mi
Body Type: Truck-Tractor

Description

Features

Air RideCruise Control

Finance calculator

2020 Kenworth T800 · 249,000 mi

Est. monthly

$1,895.94

Vehicle price

Pre-tax purchase price

Term (months)

Down payment (10%)

$9,975

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

$90,275

Total interest

$23,482

Total cost

$123,732

Effective / month

$1,895.94

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
Mar 6, 2026	$99,750	-$10,000
Feb 26, 2026	$109,750	--

Mar 6, 2026

$99,750

-$10,000

Feb 26, 2026

$109,750

Market Index

2020 Kenworth T800 X15

View full index →

Median Price

$99,750

This listing

Near market median

Active listings

2020 Kenworth T800

Description

Specifications

Dealer

2020 Kenworth T800

Specifications

Engine

Drivetrain

Chassis

Details

Description

Features

Finance calculator

Price History

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