American Engines ATS 1.38

Includes new reverse sound and air brake. There are 6 engines of brands caterpillar, cummins, a v8 engine.
If it does not work for them in their truck they must open the mod they can use winrar.
They open the folder def / vehicle / truck, what they must do is copy or rename the folder with the name of your truck.
The name of your truck is found by opening your mod, they go to def / vehicle / truck and the name that this folder has is the name of your truck.
This mod comes out especially for my trucks. I hope you like it and leave your comments if you liked it or not.