2026 Kenworth T680

Six new Kenworth T680s are on the way! Pictures coming. Kenworth T680, Chassis #209435 through #209440, 76" High-Roof Aerodyne Sleeper Engine: Cummins X15 500 hp @ 1700 rpm, 1850 lb-ft @ 900 rpm, Efficiency Series, 2024 emissions compliant. EPA SmartWay designated. Transmission: Eaton Endurant EEO18F112C 12-speed automated manual, 1850 lb-ft torque capacity, with Hill Start Aid and bottom PTO provision. Neutral Coast Mode (cruise only). Economy shift calibration. Axles: Front – Meritor MFS13 Plus 13.2k lb capacity, 3.5" drop, standard track, lowered 1.5"; Rear – Paccar DX-40 40k lb capacity, 2.79 ratio. Brakes: Bendix air disc brakes (front and rear) with ABS, ATC, ESP, and Fusion Adaptive Cruise Control with Stop & Go. Suspension: Front – Taperleaf with shocks; Rear – Kenworth AG400L 40k lb capacity air suspension, 8.5" ride height, with single leveling valve. Tires & Wheels: Front – Continental Conti HSL3 295/75R22.5 16PR on Alcoa ULA18 22.5x8.25 polished aluminum wheels; Rear – Continental HDL 3 Eco+ 295/75R22.5 14PR on Alcoa ULA18 22.5x8.25 polished aluminum wheels. Tire Pressure Monitoring System (10 tires/wheels). Frame: 10-5/8" x 5/16" steel rails. Fuel Tanks: 135-gallon and 120-gallon polished aluminum tanks, 24.5" diameter. DEF tank – 27 gallons, large aero round, rear fill. Other Features: TruckTech+, Predictive Cruise Control, 15" digital display, CB radio, Espar Airtronic 3 D2 bunk heater, refrigerator/freezer, upper bunk, and chassis fairings.