[EricH]

Originally Posted by gorrilla

I know, but thats not all i was considering. has anyone every seen a toughbox fail?

No. However, you can't use them in their unmodified state as mecanum gearboxes and expect speed and maneuverability to be the best. I've seen that firsthand. There are modifications that can be done to improve speed. I don't know how effective those would be when used in a mecanum drive.