Kenworth T680: A Comprehensive Review
July 03, 2025 - 8:32:15 am
In the world of long-haul trucking, a vehicle is more than just a tool; it's a mobile office, a home away from home, and a critical business partner. For owner-operators and fleet managers alike, selecting the right truck is a decision that impacts everything from operational costs to driver retention. Rising to the top of this demanding industry is the Kenworth T680, a truck that has consistently set the benchmark for what a modern Class 8 vehicle should be.
Here at Wallwork Truck Center, we've seen countless trucks roll through our doors, but the Kenworth T680 continues to command respect for its masterful blend of cutting-edge technology, unparalleled efficiency, and a driver-centric design that is second to none. This is not just another truck; it's a comprehensive solution for the modern age of trucking. Let's dive deep into what makes the T680 a true leader on the open road.
Performance That Inspires Confidence
The heart of any truck is its powertrain, and the Kenworth T680 offers a formidable one, engineered for both power and reliability. The T680 is powered by the advanced PACCAR MX-13 and MX-11 engines.
The PACCAR MX-13 engine, a 12.9-liter powerhouse, is the preferred choice for drivers tackling heavy loads and challenging terrains. With horsepower ratings reaching up to 510 hp and an impressive 1,850 lb-ft of torque, the MX-13 delivers the raw strength needed to conquer steep grades without breaking a sweat. For more weight-sensitive regional or pickup and delivery applications, the 10.8-liter PACCAR MX-11 provides a highly efficient and lightweight alternative, still offering up to 445 hp and 1,700 lb-ft of torque.
This power is seamlessly managed by the PACCAR TX-12 automated transmission. This intelligent 12-speed gearbox is fully integrated with the MX engine, providing smooth, quiet, and intuitive shifting. It's designed to keep the engine in its optimal performance and efficiency range, reducing driver fatigue and maximizing fuel economy. The result is a driving experience that is both responsive and incredibly refined, giving drivers the confidence they need to handle any situation the road throws at them.
Fuel Efficiency: The Art of Aerodynamics
In today's market, fuel efficiency is not a luxury; it's a necessity. A truck's ability to squeeze every possible mile out of a gallon of diesel directly impacts the bottom line. This is where the Kenworth T680 truly shines, setting a new standard for aerodynamic performance.
Every curve and contour of the T680 has been meticulously sculpted in a wind tunnel to minimize drag. From the sculpted full-height roof and chassis fairings to the integrated front air dam, the design works to keep airflow tight to the body of the truck and trailer. Optional 28-inch side extenders help close the tractor-trailer gap, further smoothing the airflow and preventing turbulence. Even the A-pillar turning vanes are designed to guide air more effectively around the cab.
The results are tangible. The advanced aerodynamics, combined with the efficiency of the PACCAR powertrain, can lead to significant fuel savings, with some reports indicating improvements of up to 6% or more in the Next Generation models. While real-world MPG can vary based on load, terrain, and driving style, many T680 operators report averages that are consistently at the top of the industry, making it one of the most cost-effective trucks to operate.
Driver Comfort: The World-Class Office and Home
Kenworth understands that a comfortable driver is a safe and productive driver. The T680's cab is a masterclass in ergonomic design and luxurious appointments, creating an environment that minimizes fatigue and maximizes comfort during long hours on the road.
The moment you step inside, you're greeted by a spacious and quiet cab. The driver's seat offers advanced suspension and a wide range of adjustability, ensuring a perfect driving position. The centerpiece of the modern dash is the stunning 15-inch high-definition digital display. This fully customizable screen provides crystal-clear readouts of all critical truck information, from speed and RPM to real-time fuel economy and driver performance metrics.
For life on the road, the T680's sleeper cabs are a true home away from home. Available in a variety of sizes, including the expansive 76-inch high-roof sleeper, these spaces are designed for both work and relaxation. The available "Driver's Studio" package is a game-changer, featuring a 180-degree swivel passenger seat that can be used as a comfortable armchair or turned to face a swing-out desk.
Other premium amenities that make life on the road more comfortable include:
- A full-size wardrobe and ample storage cabinets.
- A drawer-style refrigerator/freezer.
- A swivel TV mount for flat-screen entertainment.
- The Kenworth Idle Management System, providing no-idle sleeper air conditioning.
- An 1800-watt inverter with multiple outlets to power electronics.
The Verdict: A Truck Built for the Future
The Kenworth T680 is far more than the sum of its parts. It represents a holistic approach to truck design where performance, efficiency, and driver comfort are not competing interests but are instead woven together to create a superior vehicle. Its powerful and reliable PACCAR powertrain instills confidence, while its class-leading aerodynamics deliver tangible fuel savings day in and day out. Most importantly, it provides a safe, comfortable, and highly functional environment that professional drivers are proud to call their own.
To truly understand what makes the Kenworth T680 a leader in its class, you need to experience it firsthand. We invite you to visit us at Wallwork Truck Center to explore the T680 up close, learn more about its incredible features, and discover how it can elevate your driving experience and your business.