I have a tree here that I was working on quite some time back. I know it will load and that the stuff I have tried to spawn in game spawns. feel free to give it a look over and try it out for yourselves
https://www.dropbox.com/s/b3n7b41mg529pp5/Armors_And_Vehicles.tre?dl=0
https://www.dropbox.com/s/b3n7b41mg529pp5/Armors_And_Vehicles.tre?dl=0