Miles
393,000 mi
Year
2021
Engine
PACCAR MX-13
Horsepower
455 HP
Transmission
Automated Manual
Axle Config
6x4
FOR SALE 2021 Kenworth T680 Aerodyne – PACCAR MX-13 – 455 HP – 12-Speed Endurant – 77" Sleeper Clean, fleet-maintained 2021 Kenworth T680 Aerodyne built for fuel-efficient OTR service. Powered by a PACCAR MX-13 rated at 455 horsepower, paired with a PACCAR 12-speed Endurant automated transmission and 2.64 ratio Meritor tandem rears for optimal highway performance. This unit features a 123" BBC, 232" wheelbase, AG400 air ride suspension, and 52,000 lb GVWR. Equipped with a spacious 77" Aerodyne double bunk sleeper, standard interior with upper and lower bunks, cabinets, storage, and climate controls. Driver-focused dash with full gauge package, steering wheel controls, and integrated infotainment. Interior is clean and functional for long-haul comfort. Exterior features include aerodynamic roof and cab extenders, full chassis fairings, quarter rear fenders, composite bumper, aluminum front wheels, and horizontal exhaust. Holland Air Slide fifth wheel, tandem axle configuration, and set-back front axle with 12,500 lb rating. Safety-equipped with Bendix Wingman Fusion collision mitigation system. Odometer: approximately 393,000 miles. Financing options available | Trades welcome. Located at Rush Truck Centers – Tulsa, OK.
Rush Truck Centers
Tulsa, OK
1 / 25VIN
1XKYDP9X8MJ467834
NHTSA VerifiedStock #
rush-619925
Dealer
Rush Truck Centers
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FOR SALE 2021 Kenworth T680 Aerodyne – PACCAR MX-13 – 455 HP – 12-Speed Endurant – 77" Sleeper Clean, fleet-maintained 2021 Kenworth T680 Aerodyne built for fuel-efficient OTR service. Powered by a PACCAR MX-13 rated at 455 horsepower, paired with a PACCAR 12-speed Endurant automated transmission and 2.64 ratio Meritor tandem rears for optimal highway performance. This unit features a 123" BBC, 232" wheelbase, AG400 air ride suspension, and 52,000 lb GVWR. Equipped with a spacious 77" Aerodyne double bunk sleeper, standard interior with upper and lower bunks, cabinets, storage, and climate controls. Driver-focused dash with full gauge package, steering wheel controls, and integrated infotainment. Interior is clean and functional for long-haul comfort. Exterior features include aerodynamic roof and cab extenders, full chassis fairings, quarter rear fenders, composite bumper, aluminum front wheels, and horizontal exhaust. Holland Air Slide fifth wheel, tandem axle configuration, and set-back front axle with 12,500 lb rating. Safety-equipped with Bendix Wingman Fusion collision mitigation system. Odometer: approximately 393,000 miles. Financing options available | Trades welcome. Located at Rush Truck Centers – Tulsa, OK.
2021 Kenworth T680 · 393,000 mi
Est. monthly
$1,007.56
Pre-tax purchase price
$5,275
Owner-ops: 10–20% typical
Prime 7–9% · Median 9–12% · Subprime 14%+
Deducted from financed amount
Drives Federal Excise Tax (FET)
Skip if straight truck under 33k GVWR or trailer under 26k GVWR.
Off — used vehicles are exempt
$0
Often 0% for interstate commercial use
Some states cap (CA $85, NY $75)
State title + lien fee
Lowers monthly; paid as lump at term
Amount financed
$47,975
Total interest
$12,479
Total cost
$65,729
Effective / month
$1,007.56
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.
Apr 10, 2026
$52,750
Mar 12, 2026
$52,900
Feb 24, 2026
$56,950
Market Index
2021 Kenworth T680 MX-13
Median Price
$49,788
This listing
6% above market median
Active listings
12