Wow, i forgot all about the middle click thing! I always thought it only worked for my inventory. Thanks for the reply!

So iv'e been starting to transport iron to my main base by train because i ran out of iron ore nearby and i needed some at my base.

My problem is that on the train that i'm using to transport iron ore I also have it transporting ammo and crude oil, but there is so much iron ore that it ends up ...