This mod works from earlier versions.
Very good mod, to use stronger engines and gear boxes short or very long changes.

Level 10 – 1,000 Motor C.V. and Box 6V with and without retarder
Level 15 – Motor 1.500 c.v. and 21v box with and without retarder
Level 20 – Engine 2000 c.v. and 12v box with and without retarder
Level 25 – 2,500 Motor c.v.
Level 30 – Engine 3000 c.v.
Level 35 – 3,500 Motor c.v.
Level 40 – Engine 4000 c.v.

List of vehicles on the mod:
Daf XF (Motors, and boxes)
Daf XF Euro 6 (Motors, and boxes)
Daf XF 50keda 3.1.1 (Motors, and boxes)
Freightliner Argosy Cat Edition (Motors, and boxes)
Freightliner Coronado (Motors, and boxes)
Iveco Stralis (Motors, and boxes)
Iveco Hiway (Motors, and boxes)
Kenworth W900L (Motors, and boxes)
Kenworth W900B Long (Motors, and boxes)
Mack Titan (engine only)
Man TGX (Motors, and boxes)
Man TGX Euro 6 By Madster (Motors, and boxes)
Mercedes Actros (Motors, and boxes)
Mercedes Actros MPIV (Motors, and boxes)
Peterbilt 389 (Motors, and boxes)
Renault Magnum (Motors, and boxes)
Renault Premium (Motors, and boxes)
Scania R (Motors, and boxes)
Scania R1000 (Motors, and boxes)
Scania Streamline (Motors, and boxes)
Scania T (Motors, and boxes)
Sisu R500 (Motors, and boxes)
Ural 43202 – konvert and edit by Ekualizer v 3.1 (Motors, and boxes)
6464 Ural RTA 2.0 (Motors, and boxes)
Volvo FH16 (Motors, and boxes)
Volvo FH16 2012 (Motors, and boxes)
Volvo FH16 2013 By Ohaha (Motors, and boxes)
Volvo VNL 780 3.0 (Motors, and boxes)

Please respect download link and author.

Authors:
Angel Otelo Modifications: Rockeropasiempre