I really wanted to push this set around my city with my western train but took awhile to find a solution. The chassis only supports 6 wide+ wheels while LEGO train tracks require 4 wide separation. Found a solution tucking some smaller wheels underneath. I had to raise the rear quarter panel one stud and adjust the chassis front and rear quite a bit. Not as simple as the pictures make it look. Gullwing doors are next! but will just follow a YouTube video for that as I’ve already seen some...