Kenworth T680

Kenworth T680 available with Paccar MX-11 engine

March 19, 2018
Kenworth announced its T680 on-highway flagship is now available for order for the first time with the combination of the Paccar MX-11 engine.

Kenworth announced its T680 on-highway flagship is now available for order for the first time with the combination of the Paccar MX-11 engine and the new Paccar automated transmission, which is designed for linehaul and regional haul applications up to 110,000 lbs. gross vehicle weight.

The MX-11 engine offers up to 430 hp and 1,650 lb.-ft. of torque, and is 400 pounds lighter than 13-liter engines. The Paccar Transmission is up to 105 pounds lighter than comparable transmissions, allowing for greater payloads.

“The proprietary Paccar Powertrain, which includes Paccar’s 10.8-liter MX-11 engine, 12-speed transmission and 40,000-lb. tandem rear axle, provides outstanding performance through weight savings, increased fuel efficiency and enhanced driveability for Kenworth T680s operating in linehaul and regional haul applications,” said Kurt Swihart, Kenworth marketing director.

In addition, the new transmission features extended maintenance. The 750,000-mile oil change interval is the longest available for linehaul applications, the company noted. The clutch is maintenance-free and features an internally routed electrical system that minimizes exposure to the elements.

The transmission is paired with Kenworth’s new column-mounted shifter. The shifter position on the steering wheel column also frees up dash space by eliminating engine brake control switches.

The 12-speed automated transmission is also available with the MX-13 engine rated up to 510 hp and 1,850 lb-ft of torque and Paccar tandem rear axles.

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