In article ,
David Lesher wrote:

I've been on a snipe hunt for a vibraplow
http://ditchwitch.com/trenchers-plow...w/100sx-vibrat
ory-plow/
in the Santa Cruz region. I've yet to find a tool rental outfit
that even knows what I'm talking about... Yet on the East Coast,
they are common...

Any suggestions welcomed.

There is a dealer in Newark CA. Google them
CP