3d model tractor harvester - JOHN DEERE 9880+ CornHead by IPF

This is the 3D model of an modern harvester
The reliefs have been done on the real machine

To steer, rotate H Steering.
To lift Feeder, rotate P Feeder.
To open Door, rotate H Door.
To open Doors, rotate B Door Front Left
                            rotate B Door Back Left
                            rotate B Door Front Right.
                            rotate H Door Back Rigt
To open Pipe,   rotate H Pipe
To rotate Stair   rotate H Stair Left