I need to fix my howard rotovater

[newfasham]

I have an old howard rotovater with a three point hitch it leaks oil from the lower chain sproket I cant fined any serial numbers can any one help please

 

[karverind]

There is a Howard dealer in Chicago area. I have a receipt from them last year, but will have to look for it.

 

[newfasham]

thanks I would appreciate any info