Retaining the T600’s Aerocab cab and sleeper, in a major change, the T660 adopted diesel engines produced by PACCAR. For the first time since 1990, the aerodynamics of the hood and fenders were updated, as the T660 introduced composite fender headlights while adopting a grille similar to the conventional T2000. In 2016, Kenworth announced that it was discontinuing the T660 in favor of the T680.
– In Mexico discontinued in 2017
– Definition for Engines, Steering Wheels and Cabin Accessories
– Support for ATS version 1.54.X
