ATS and ETS2 two most powerful engine,both tuned> +100mph easily any trucks Engine rpm-limit removed>engine revs up to 2500rpm Engine rpm-idle fixed> 650 to 800 rpm Engine rpm-range fixed (automatic transmission drive) Both engine torque curve map fixed>massive effect to engine behavior Can upgrade normal way>price 10000,unlock level 0 Engine sound noise increase 10 from original level Engine icon and name not same all trucks but you find it top of the engine section Mod available also ETS2 version in Steam workshop AND READ THIS: MOD IS COMPATIBLE WITH ORIGINAL TRUCKS ONLY! MOD SUPPORT ONLY ORIGINAL TRUCKS ENGINESOUND! MOD DOES NOT WORK TMP-MULTIPLAYER,GAME OWN CONVOY SYSTEM MAYBE