


T680: Specs, Features, Interior & Fuel Economy Benefits
The T680 is Kenworth’s most advanced aerodynamic highway truck ever built. Designed for long-haul efficiency, driver comfort, safety, and uptime, the Kenworth T680 Next Gen combines a restructured exterior, integrated PACCAR powertrain, advanced driver assistance systems, and premium interior features into one perfectly optimized Class 8 truck.
What is the Kenworth T680 Next Gen?
The T680 Next Generation is Kenworth’s on-highway tractor made for:
- Long-haul trucking
- Regional haul applications
- Fleet operations
- Owner-operators
- Pickup and delivery routes
Kenworth T680 Specifications
Engine: PACCAR MX-13 or PACCAR MX-11
Horsepower: 405-510 HP (MX-13), 355-455 HP (MX-11)
Torque: 1,450 – 1,850 lb-ft of Torque
Transmission: PACCAR TX-12 Automated, PACCAR TX-18, or Eaton Fuller manual/automated
Axle Configuration: 6×4 or 6×2 drive axles
T680 Features
Kenworth Aerodynamic Features
The Kenworth T680 features a completely restructured aerodynamic profile that helps reduce drag and improve fuel efficiency on every drive. Aerodynamic upgrades include:
- Narrower hood and grille
- Restyled bumper
- Advanced airflow management
- Redesigned fairings
- Wheel well closeouts
- Side extenders
- Chassis fairings
- Tandem axle fairings
- Wheel covers

Each of these exterior enhancements makes the T680 the most aerodynamic truck in Kenworth history. This also boosts fuel economy, with gains of up to 7% compared to previous T680 models.
T680 Technology
The new T680 is built around the driver experience — both inside the cab and out on the road. Its advanced digital technologies help drivers stay informed, comfortable, connected, and focused.
15-inch Digital Driver Display: At the center of the dash is an industry-leading 15-inch digital display. The screen provides vehicle health information, navigation, trip data, safety system alerts, and more. Drivers can personalize layouts and quickly access the information that’s most important to them.
SmartWheel: Kenworth’s upgraded SmartWheel places vehicle controls directly at the driver’s fingertips. Buttons for cruise settings, adaptive cruise functions, phone connectivity, audio adjustments, trip management, and digital display navigation allow drivers to keep their eyes on the road while still operating essential systems.
TruckTech+ Remote Diagnostics: TruckTech+ helps drivers proactively monitor vehicle health and communicate service information to fleet managers and Kenworth dealerships in real time. Standard on the T680 Next Gen, this system helps identify issues faster and streamline service coordination with ease.
Advanced Driver Assistance Systems (ADAS): The T680 Next Gen offers a suite of safety technologies designed to improve driver awareness during long hauls. Safety features include collision mitigation, lane assist, and predictive cruise control, among many others. These systems all work together to provide a safer, more confident overall driving experience.
DigitalVision Mirrors: Replacing traditional side-view mirrors, these smart mirrors with an advanced camera system provide a clear 360-degree view and awareness around the truck. Plus, the interior-mounted displays keep the driver’s eyes closer to the road compared to the normal field of vision. The benefits of DigitalVision Mirrors include reduced blind spots, night vision capability, hydrophobic lenses, and much more.
T680 Sleeper Configurations
The Kenworth T680 offers multiple sleeper configurations for regional and long-haul routes. Each option is built to equally balance comfort, spaciousness, and livability. Depending on your need, available T680 sleeper configurations include:
- Mid-Roof Sleeper
- 76″ High-Roof Sleeper
- 80″ High-Roof Sleeper
The Kenworth T680 Next Gen is also available in a day cab configuration.
Premium Kenworth Interior Options
The T680 includes premium interior upgrades for improved long-haul comfort as well as functionality. Kenworth T680 interior options include:
- Premium Diamond VIT and Vantage interior options
- Improved sleeper storage solutions for better organization
- LED interior lighting throughout the cab
- Ergonomic controls for everyday comfort
- Improved noise reduction for a quieter ride
- Available swivel passenger seat
- Optional Driver’s Studio package

Every design detail has been incorporated to keep drivers comfortable, rested, and productive both on the road and during breaks.
LED Lighting
The Kenworth T680 Next Gen upgrades its LED lighting systems for better nighttime visibility and safety. LED lighting features include:
- Full LED headlamps
- Daytime running lights
- High-visibility side turn indicators
- Brighter light output
- Wider road illumination
Kenworth’s redesigned lighting package not only improves visibility, but also gives the truck a more modern, distinctive look.
Kenworth T680 vs. T680 Next Gen
| Feature | T680 Next Gen | T680 Classic |
|---|---|---|
| Styling | Sharper, more modern aerodynamics with redesigned hood, bumper, wheel covers, fairings, and airflow management system | Narrower, swept-back grille design |
| Fuel Economy | Up to 6–7% better fuel economy depending on spec | Efficient for its time |
| Dashboard | 15-inch fully digital display | Traditional analog gauges |
| Steering Wheel | SmartWheel with integrated display and menu controls | Standard controls |
| Headlights | Premium full-LED headlight system | Halogen and early LED headlight options |
| Safety Tech | Updated ADAS with lane keeping assist, adaptive cruise control, collision mitigation, and torque-assisted steering | Basic driver-assist technologies available |
| Mirrors | Optional DigitalVision mirror & camera system | Traditional side-view mirrors |
| Interior | More upscale comfort and technology styled interior | Traditional sleeper/cab layout |
| Entry Steps | Redesigned stair-style entry steps for easier and safer cab access | Standard cab entry steps |
| Powertrain | Optimized for newer PACCAR MX-13 and PACCAR integrated powertrain technology | Earlier PACCAR MX engines/transmissions options |
Why Drivers Choose the Kenworth T680 Next Gen
Drivers and fleets continue to choose the T680 Next Gen for their job because it delivers:
- Exceptional comfort for long days behind the wheel
- Smarter technology that keeps their systems intuitive and accessible
- Better fuel efficiency to help reduce overall operating costs
- Excellent visibility for greater confidence in traffic and tight conditions
- Quality interior materials and upgraded cab design
Kenworth developed the T680 Next Gen by working directly with real drivers throughout the redesign process. As you can see, the results are a truck built to meet real-world operational needs, not just specs on paper.
T680
One look and you know: The Kenworth T680 Next Gen lives up to its reputation as “The Driver’s Truck.” Kenworth took an existing driver-favorite model and made it even better by combining overall efficiency, driver comfort, and real-world usability. Based on feedback from hundreds of real-life drivers to guide their revamp, the T680 is a smart choice for both owner-operators and fleets who want their truck to perform its best when pushed to the limit.
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