Heavy Duty Trailer Tires v1.5

This is just a simple mod to add the Duty Tires from the Wheel Tuning Pack DLC to the trailers. This works on every ownable SCS trailer.

This mod is compatible with Convoy mode.

v1.4.5

- Updated an incorrect part of the Requirements section of the description. It previously stated there were only two custom definiton files. That changed a long time ago, but it slipped my mind to update that.

- Updated the mod version in the manifest.sii file