This mod is really amazing. You can have the trucks pulling from rear to transport this 400 Ton massive cargo. This is standalone and works in game version 1.36.

You really need a very powerful truck to pull this.

Mod order:
1. 1>3 truck “choose one” (optional, use this if you wanna some trucks pushing your rear trailer)
2. convoi truck
3. ballast trailer (optional, use this if you wanna using ballasted truck)
4.MAIN MOD (trafo and cable reel)