ALL_WHEELS:ROTATION
LEFT_DOOR: CLOSE/OPEN
RIGHT_DOOR: CLOSE/OPEN
LEFT_DOOR_GLASS: CLOSE/OPEN
RIGHT_DOOR_GLASS: CLOSE/OPEN
STEERING:LEFT/RIGHT ( the STEERING WHEEL controls both FRONT WHEELS and the STEERING WHEEL, LIKE IN REALITY )
If you want the DUMPER UP : hide the "SAND" located in BUCKET/DUMPER and let visible the "SAND PILE" located in "MAINBODYPARTS".
Select "MACK_B81_DUMP_TRUCK"/Parameters/All
DUMPER:DOWN/UP
DUMPER:DOWN/UP01
TEMPLATES ARE GIVEN IN A SEPARATE FOLDER IF YOU WANT TO CHANGE THE SAND TEXTURE OR GIVE YOUR OWN TRUCK DOLOR DESIGN.