Brent V800 Grain Cart v1.0.0.0

Here Is The Brent V800 Grain Cart. It is not fully finished but please tell me if something is off so I can update it.
(I know the fill thing is a little off)
All credit goes to original authors.
Corn Crib Modding, Killerrf, and Ag3d
-2 Wheel Options
-2 Color Options