The T680 Next Gen offers the 12-liter Cummins Westport ISX12N with ratings up to 400 hp and 1,450 lb-ft of torque. Kenworth's T680 Next Generation on-highway flagship is now available with the Cummins ...
The 12.9-liter Paccar MX-13 engine is designed to meet the demands of heavy-duty truck applications. The engine is available for Kenworth Class 8 models, including the Kenworth T660, T680, T700, T800 ...