Recent content by cnl390

I have a John Deere 870 tractor and a 613 rotary cutter. How do I determine the correct speed of the tractor when shredding? I would like to go as fast as I can but still get the optimum cut. Thanks

More questions from the new guy (I have a million of them). Is there a rule of thumb, chart or some other source that matches implements with tractor horsepower and/or ground speed. I have a JD 613 cutter and have access to my neighbors collection of implements & attachments. Everything from...

After several years of research and whining to the wife I finally have my tractor. A John Deere 870 with 436 hours. It came with a JD 440 loader & JD 613 Rotary Cutter. When I first got it I shredded a field of 1-2 1/2 foot dry grass with the cutter set at about 6 with no problem. A couple...