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Allis Chalmers Discussion Forum

AC spring tooth drag

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Author  [Modern View]

12-20-2011 20:28:44

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Not being an AC guy was wondering if any of you could tell me what type AC hitch was used for this drag? Looks to be half 3pt and half draw bar pull. Appears to be factory issue. Thanks in advance. RB

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Longmeadow farm

12-21-2011 09:07:17

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 Re: AC spring tooth drag in reply to B-maniac, 12-20-2011 20:28:44  
Looks a lot like a Pittsburg spring tooth harrow I had/used many years ago. The harrow is a 3 point lift..the snap coupler arrangement looks like an add on, as can be observed by the presence of the 3 pt "top link" connection point. My Pittsburg had just the snap coupler "hardware" and may have been sold by AC... but it retained the "Pittsburg" name plate on the frame. And then maybe Pittsburg supplied either hitch. However, I do remember buying the harrow at an AC dealer... around 1975.

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karl f

12-20-2011 21:30:06

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 Re: AC spring tooth drag in reply to B-maniac, 12-20-2011 20:28:44  
It's the AC "Snap-Coupler" hitch. it was basically as you say half 3pt and half draw bar pull. Any AC tractor from the WD45 (some plain WD) to the late D series with the snap coupler system can properly pull it as long as it has enough power.

karl f

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karl f

12-20-2011 21:37:03

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 Re: AC spring tooth drag in reply to karl f, 12-20-2011 21:30:06  
and at second glance, it looks like maybe the frame is designed to change from 3 point to snap coupler--Looks like all the attachment points are there for both styles.

karl f

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12-21-2011 18:19:37

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 Re: AC spring tooth drag in reply to karl f, 12-20-2011 21:37:03  
Thanks very much to both of you for your info. I have this drag for sale and it would be nice to have this info although most buyers probably allready know it. RB

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