Description:
Made own sound mod which is 4N71 for Smarty`s Scot A2HD and Peterbilt 281-351 by MTG, soon also with 1955 White.
Engines have real specs but not dds images for now and sounds are taken from real videos.
Select one of the 3 4-71 engines to have my sound.

Credits:
ArTrailfanRaf214, Kriechbaum