Physics for Trucks v1.1 (Improved version) (1.28.x) for American Truck Simulator game.
Revisions with torque and traction.
Changed the grip of the wheels with the road (the ups can now be overcome but tight)
Deleted the vehicle folder (now the height of the suspension and the operation of the cab defaulted)
the basis is taken from Euro Truck Simulator 2 Version of physics V4.9.4
Tested on game version v1.28.x