S.E. Sask. | ccpester - 10/3/2012 13:25 a chisel plow will have alot heavier shanks usually on 12" spacing, in our area of heavy clays you will see anything from a straight spike to a beaver tail shovel to a 4" twisted spike. I've never seen sweeps on one, We personally pull a 38' chisel plow with beaver tails with a 415 hp Challenger. A field cultivator will have lighter shanks usually on 6" spacing and will have a 3" spoon to 9" sweep.
You probably don't see sweeps on the chisel plows because hardly anybody uses them to work summerfallow anymore. Here is John Deere's version of the chisel plow a.k.a. deep tillage, as seen here in Sask. This one is a 1610 model that we made into an anhydrous applicator. 31 feet with 31 shanks. Those anhydrous knives pull a lot heavier than sweeps or spikes.
 (Work_on_the_1610.JPG)
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 Work_on_the_1610.JPG (83KB - 980 downloads)
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How do you define "chisel plow"?
