Hello
I have one of these awsome machines as well. When i bought mine i just go with the recomended parts for the machine.
Two speed controllers for the tracks.
http://www.vario-helicopter.biz/gb/p...ucts_id=100456
One for the swing.
http://www.vario-helicopter.biz/gb/p...ucts_id=100458
And one for the pumpmotor.
http://www.vario-helicopter.biz/gb/p...ucts_id=100459
This setup works excellent for me.
Don't now how steep incline it can drive in but the drivemotors are really strong. Maybe you should build an elevator
