Hello David…
Where are you located? Fill out your profile.
Are there any manufacturer markings or numbers on it?
If you can, post a picture, someone might just recognize it, also pictures are fun to look at… /forums/images/graemlins/laugh.gif
Do you have any hydraulic shops around your location? They should be able to help. Good Luck and welcome to TBN… Sorry I can’t be much help. KennyV.