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I was in a similar boat a few years ago, & happened to get a Vermeer 605F for $1600 - dealer forclosure sale. Which I knew what they had been asking for it, I bet $3500.... Anyhow, we are working with a budget, so we can wish for all the best options, but need to comprimise some! :) Good things are: Open throat design. Older units force the material through 2 closely spaced rollers, & that makes feeding less than perfect material a headache. If you plan on only perfect hay, whatever works, but any cornstalks or a bit damp or.... Get an open throat. No bottom belt is a simpler, better design. Many older units have a big fat belt along the bottom to carry the bale. My 605F just has a big drum to support the bale. Much less upkeep. Wider belts are better. Narrow belts (4-6 inch) like to wanter around, wide belts (9-10 inch) try to stay put. My 605F has a wide belt on each side, & narrow belts in the middle. That works ok. I can sure see how skinny belts on the edge would be more headache.... Hudraulic pressure on the belts is better than just spring pressure. It is hard to get a really dense bale with just srping pressure. It is more fuss & upkeep, but will pay for itself with desnser bales, using less twine & a firm bale that sheds rain & is easy to handle. For any round baler, you need good pickup teeth & whatever starts the bale - mine uses starter flaps. Starting a bale is the hard part, once formed they tend to work like a snowball & build themselves, but getting that core started becomes an art form. Some of the older designs are worse at this. There are also the NH chain & bar balers. I hear these are great for grass hay & cornstalks. In alfalfa you will lose more leaves, not so great. But all in all, if you don't do much alfalfa, if you find one that isn't wore out can be a great baler. Also there are soft-core round balers, these have drums around the outside, no belts. the hay is dumped in the middle & tumbled in the drums, eventually the bale gets tight & formed when enough hay is added, but the center never packs as tight. The bales like to sag as they age, and you just don't get as much in a bale. But they have their fans. That's the little I know about round balers. --->Paul
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