the mod file (usually an .scs or .zip file) from a trusted source like ETS2.lt or the Steam Workshop.
Fully tested and stable on ETS2 1.42 and 1.43 . 3000hp engine all truck’s 1.42 – 1.43
Often paired with 12+2 or 18-speed gearboxes to handle the extreme power. How to Install the mod file (usually an