Anyone running this particular WD hitch on a SuperTruss?

If they are L-shaped bars that go into underside round sockets on the hitch head, your holes are wallowed out. My first one lasted about eight years and did not have a grease fitting. My current one does have fittings, but I only have about six years on this one and don’t know if it wear better.

I have no experience with that style and have only used trunnion or L-bar WDH systems.