[AT] Plowing

charlie hill charliehill at embarqmail.com
Mon Jun 29 10:48:59 PDT 2015


Thanks Gene, that makes sense.  I'm not familiar with those tractors
or their hitches.  I was just trying to correct the terminology.   Lots of
folks read comments on this list besides list members as some of it
shows up on web searches.  It is to our benefit to keep it as accurate as
possible.

Charlie



-----Original Message----- 
From: Gene Dotson
Sent: Monday, June 29, 2015 1:29 PM
To: Antique tractor email discussion group
Subject: Re: [AT] Plowing

    What Dennis is referring to with the Farmall has nothing to do with snap
coupler, fast hitch or any other type of tractor lift. What he referred to
was a clevis bolted or pinned to the drawbar to pull a pull type plow, that
could be a hydraulic lift or a mechanical lift. Only connection to the
tractor was a "L" shaped bar that set down in the clevis.  A spring put
pressure on the mechanism so that when a sudden or hard pull would overcome
the spring pressure and allow the plow to disconnect from the tractor and
prevent any serious damage to the plow or tractor.. John Deere system has a
hitch bar that curved around under the hitch tongue  and through a captive
channel with a spring to hold it engaged until a sudden pull allowed it to
move far enough forward  to disengage the channel and disconnect the plow.
Hydraulic lift plows had to have the quick disconnect hydraulic connectors
to disconnect when the plow disengaged. Rope trip plows had to have a method
to allow the rope to disconnect from the seat or fender it was hooked to.
Rope tied to the seat can give quite a jolt to the operator.

                        Gene



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