I also posted this on another forum. Posing here since you guys have been very helpful with problems I've encountered.
I have a '93 JD 320 with a BDU-21 hydrostatic transmission that was having an odd issue.
It seemed to have plenty of pulling power, but going down hills was a bit of a...
Thank you to those who posted in this thread. I had the same issue with my 320. I ordered a carburetor from Amazon (the one with the best reviews), replaced the fuel line and filter, and the o-ring in the elbow to the air filter. It ran more the 50 minutes the first time mowing with no issues.