Verified OEM specifications — engine options, GVWR, dimensions, and drivetrain
Source: spec_sheet_pdf (1 PDF)
The Kenworth T680 is a Class 8 conventional sleeper truck available with PACCAR MX-13 or Cummins X15 diesel engines producing up to 510 hp and 1,850 lb-ft of torque. The aerodynamic cab is designed for long-haul freight with a GVWR of up to 80,000 lbs and GCWR of 220,000 lbs. Sleeper options range from 40 to 76 inches. The 2021 model supports Kenworth's Driver Performance Center dash and optional ADAS safety suite. Wheelbases span 210 to 280 inches to accommodate a variety of trailer lengths and freight profiles. Base MSRP typically ranges from $135,000 to $185,000 depending on engine, sleeper size, and spec level. Available from Kenworth dealerships nationwide.