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SE South Dakota | Not sure I can answer that fairly because the SCH is on a JD6620/Dial-a-matic and the JD 930stock cutterbar is on a JD 9550 with the new style header height system (can't remember the name).
I will say that alot of cutting low or not will have to do with adjustments made to the head and how everything is set up IMO. Also field conditions make a bit of differance. Last years performance verses this year with the SCH, well it was quite a bit cleaner looking cut of the field. I think the SCH gearbox makes quite a differance in the cut as well. The gearbox has better action than the JD wobble box. The JD wobble box stops at each end of every stroke wereas the SCH is a constant motion.
I was told that every new 600 series JD cutting head built and shipped overseas come from the factory with the SCH cutting system. The customer demands it.
Jim J | |
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New JD 630 head-beaking too many guards!!!
