I am thinking of getting one, but I heard that they don't like deep water. That the transmission belt will slip even after mimimal water crossing. Other than that, I have not heard of any issues. Even the slow top speed sounds good for my needs. Has anyone had any problems going though streams or mud holes?
The only belt on the diesel RTV will be the fan belt. Not sure about the 400 and 500 though.
I've taken my 900 through water up to the floor board without problem.