Jd 2320 vs hesston 6600

I am considering getting a older self propulled hay bine, considering a hesston 6600 and a jd 2320 they both have 14 foother heads and the jd has a cab the hesston is open. They are both with Chrysler industrial engines.

The reason I am wanting one is for my small fields I run over so much hay to open up with my discbine and I don't get to utilise the speed anyway. Both of these machines are within 2 hrs of me I would like to hear experience with either thanks!!

Jd 2320 vs hesston 6600