What's new:
- IYB's B-Series now has hydraulic/airless brakes for all axles.
- A new adapter part for the MD-Series has been made to harness untapped potential in Javielucho's Mad Mod's Twin Rear Axle.
- Deleted a few redundant parts in the MD-Series.
Heavy Vehicles Addon 1.1
Experimental stuff for the T-Series and MD-Series