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Iowa | They still make the 714. I am not sure but I think one as old as you ask about would be a 712.
I recently bought a 2007 714. I have been told that the 714 has a solid rear frame, vs 4x4tube on the 712. Supposed to help keep it in the ground and be stronger for hanging a harrow on the back. Salesman also told me the disc ones were not hyd. adjust on the discs, I know the coulter one I bought has hydraulic -adjustable coulter depth. Salesman also told me not to get walking tandems on the smaller models as the shank configuration is different and the extra tires tend to accentuate plugging in fluffy residue. Otherwise, after asking around, people tell me they don't plug like older models. I know there are three full rows of shanks vs 2 or 2 "stretched" on the 1980's-'90's chisels. One guy I talked to said he had plugged his in untouched standing stalks (200 bu corn) when damp, but otherwise it never plugged. The shank trip force is quoted as 2x that of the old Glenco soil savers according to JD salesman's comparison specs they can access on their Internet sales info.
I don't know if they all do, but the one I bought has the single-point depth control like on a JD field cult.
I tried a JD 512 ripper on 600 a last fall, and hated it. Guy running my field cult. this spring asked why some fields were ridged-- answer: wherever we ran the 512. I quit disking in the fall 20 years ago and the 512 was just a glorified disc in my opinion, and ridged like a disc of 20 yrs ago as well. | |
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JD 714 chisel plows (questions)
