Managed to replicate this pretty consistently by putting all of the truck's weight onto a barstool. Sometimes it just gets stuck in the floor and other times it gets pushed right through the floor.
https://cdn.steamusercontent.com/ugc/17547573645638883314/3163635D31478EF75C3852FF92786B85BE92F749/
#Bar Stool's can be pushed through the ground
tame bluff
warped compass
this should be fixed / greatly improved in 0.2.3