Here in the NE where we ride most of the trails are old logging roads that get washed out in spring from the run off. This leaves lots of rocks, some big but most the size that you can smack either with a tire or the skid and they can do some serious damage.
The RZR has a very weak skid under it so we used this UHMW material in 3/8" thick.
UHMW is Ultra high Molecular Weight poly plastic and used in heavy industry such as for linning the inside of dump truck beds so rocks and sharp or sticky stuff will slide ride out. It is tuff as nails and simple to work with with regular woodworking tools. Unlike aluminum, which might be a bit stronger, UHMW just slides right over rocks and logs rather than to stick like glue on them.
We are very happy with what we made and feel completely protected from underneath now.
One sheet 4 feet by 10 feet costs around $300 and made two complete sets for the RZRs including the plates for the front and rear differentials. You should be able to find it at a place that carries or can get you full sheets of plastic like Lexan or Plexiglass.
We have been over some nasty rocks and can't even see where we hit them.
The RZR has a very weak skid under it so we used this UHMW material in 3/8" thick.



UHMW is Ultra high Molecular Weight poly plastic and used in heavy industry such as for linning the inside of dump truck beds so rocks and sharp or sticky stuff will slide ride out. It is tuff as nails and simple to work with with regular woodworking tools. Unlike aluminum, which might be a bit stronger, UHMW just slides right over rocks and logs rather than to stick like glue on them.
We are very happy with what we made and feel completely protected from underneath now.
One sheet 4 feet by 10 feet costs around $300 and made two complete sets for the RZRs including the plates for the front and rear differentials. You should be able to find it at a place that carries or can get you full sheets of plastic like Lexan or Plexiglass.
We have been over some nasty rocks and can't even see where we hit them.