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We went with treads in the pre-Brecoflex era and ran into nothing but difficulties. There are cases where treads have an advantage due to continuous contact with the ground.
However, you can put on more wheels and chain drive them to achieve similar behavior.
The issues with tread slip and wear are prohibitive if you can achieve it through other means.
You can also put on as many wheels as you like, if you want to get comparable traction to treads.
In our case, we have six wheel positions and we went with duallys on four out of six. This gives us ten tires on the ground.
Due to the indeterminacy of more than three wheels supporting a vehicle, we added a suspension on our front tires to guarantee multiple wheel contact under all circumstances.
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