Looking For Vehicle Wedge Barrier Recommendations

I have a client that is asking for a wedge barrier for a drive. I have looked at Automatic Systems as I have had much success with their products in the past but they have basically pulled these out of the US catalog and the worry is that getting parts for a model they sell in Europe could be challenging. I have had discussions with Ameristar relative to their Sentinel product and they have been very helpful however I am concerned with a Hydraulic unit vs. an Electromechanical unit. I know that there are others in the industry such as Delta Scientific and Nasatka.

Has anyone installed one of these units? What has been the experience? Which is better / more reliable Electromechanical or Hydraulic? Any input is appreciated as I am flying a little blind on this one.

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