I bought mine from the dealer when I bought my tractor. Don't know if they are still available but it seems like a common part that could be used across many different tractors.
Thanks, you would think that it is a common part, but I have been googleing and so far nothing. I have not tried the local NH dealer yet, everything is so expensive there.
The bolt patterns between my Land Pride rear blade and HLA front blade are exactly the same (both 7' edges). Perhaps your bucket edge has a standard set of holes?
There are plenty of companies that sell snow plow and bucket edges that let you specify the bolt pattern.