Logging Truck and Trailer 3D Model WIP

This is something that I am working on for some time.

When is going to be ready I am going to try to make a little game with it  in Unreal Engine 4

Unreal Engine 4 - Physics Based Truck and Trailer Attempt

I am trying to make a physics based truck and a trailer using only shapes and constraints in Unreal Engine 4 and this is what I got right now

If anyone has experience with Unreal Engine 4 and wants to help me let me know

For more info about Unreal Engine 4 visit the official website: www.unrealengine.com