For Sale: 2021 Kenworth T680 – Ready to Hit the Road! Looking for a reliable, fuel-efficient, and driver-comfort-focused semi truck? This 2021 Kenworth T680 checks all the boxes. Built for performance and long-haul durability, it’s equipped with a powerful Cummins X15 engine and a smooth-shifting Endurant automatic transmission—delivering the perfect blend of strength and efficiency. With only 421K miles, this T680 is just getting started. The double bunk sleeper offers spacious, comfortable accommodations, making it ideal for team drivers or solo drivers who spend extended time on the road. Key Features: Year: 2021 Model: Kenworth T680 Engine: Cummins X15 Transmission: Endurant Automatic Mileage: 421,129 miles