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Discussion Forum

Another AC Plow question.

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Dave K (Fl)

11-10-2002 14:57:35

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What model AC plow do I have? I have a 3/14 snap coupler plow with the following numbers. On the bottoms, on the decal, Allis Chalmers 375-14 also on the decal BDL N8386648. On a heavy metal tag attaced at one end on each bottom is stamped the number 86648. On the beaming screw crank housing is the number 4806. The moldboard supports are straight, bolted to the frame. The center plow can be removed and the rear plow moved to the center to get a 2/14 plow. Mounted on my WD this plow has a pretty long frame length from drawbar coupler bell to end of the landside on the third plow. This makes the WD pretty light on the front with plow raised. It is also not possible to get the rear plow to clear the ground by more than a few inches when raised. I remember in the 50's we had a 3/14 on the WD (not a pick up plow) that was shorter in frame length and thus the back plow cleared the ground by several feet when raised and did not have as dramatic an effect on making the front light.

Any info is appreciated.


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Dave K (Fl)

11-11-2002 14:38:32

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 Re: Another AC Plow question. in reply to Dave K (Fl), 11-10-2002 14:57:35  
Thanks to everyone who replied. In answer to several questions, yes the links are set short. I do have the stock, as delivered, tires and they are inflated correctly. Have the factory wheel weights no fluids. No trouble with traction or power, just a low clearence on the third bottom and yes, I believe this is one of the later high clearence p;ows. And yes it is a very sweet plowing implement! I want to try to get points for it and also a manual.


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Dave K. (Fl.)

11-11-2002 14:23:40

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 Re: Another AC Plow question. in reply to Dave K (Fl), 11-10-2002 14:57:35  
Okay folks, I gave out the wrong info first time. I went out and looked at the plow today and it is as described EXCEPT the plow bottoms are slanted forward as mounted on the frame. That is the vertical bar that attaches to the bottom and the frame does slant forward.

Sorry about that, I was talking about the plow I have while picturing the one I sold!


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Tom Yaz

11-11-2002 09:21:48

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 Re: Another AC Plow question. in reply to Dave K (Fl), 11-10-2002 14:57:35  

Sounds like you have a series 70 or 80 plow. I think this is so because you mentioned the lack of clearence and the 375 bottom. However your description of the moldboard supports sounds like a 50 series plow. Not sure if we are talking about
the same thing. You said the support was "straight" does that mean the support is mounted straight up and down relative to the ground or is the support itself formed
"straight" as opposed to curved?. A picture would be great-I could tell you for sure in a second. The 70/80 plows were meant for the D
series tractors, although you could use them on a
WD. But clearence could be a problem depending on your tire size.

Hope I helped

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ShepFL - another question

11-11-2002 08:48:28

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 Re: Another AC Plow question. in reply to Dave K (Fl), 11-10-2002 14:57:35  
I have a 3pth single bottom 16" AC plow - no tail wheel. Anyone have an idea of the model #? I thought model #60 but manual indicates #60 was a snap coupler plow.

Wanting to fix this plow up to run behind my D10. Duey - D10 ALSO had blown headgasket on #3 cyl., just now replacing hope this is the final fix. ShepFL

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Butch (OH)

11-11-2002 05:07:02

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 Re: Another AC Plow question. in reply to Dave K (Fl), 11-10-2002 14:57:35  
Another thing for the rear not raising is the the pivot points for the lift arms. They are supposed to be under the crossshaft, not on top.

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11-10-2002 19:58:40

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 Re: Another AC Plow question. in reply to Dave K (Fl), 11-10-2002 14:57:35  
I believe that the "375" was one of the Best plowing Moldboards... will turn sod in one continuous ribbon....for a mile..!! I wonder if you have the plow adjusted....??? If the crank is screwed out...will it cause the plow to lift less.?? We always have ALL tires LOADED, and use a RailRoad rail on the front.. I had that problem with a 4x14" fully-mounted plow on my WD-45...worked ok..finally went to the 4x14" Semi-Mounted....like it a lot..! You must have a later, High Clearance plow...will not plug as easily.... Are you sure the rear tires are 13x28..or 14.9x28...anything smaller will cause a problem....Proper Inflation will make a big difference, too...but you knew that anyway.....!

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Duey (IA)

11-10-2002 17:44:26

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 Re: Another AC Plow question. in reply to Dave K (Fl), 11-10-2002 14:57:35  
Dave, It was back in the 50s when we used a fully mounted plow on our WD. I remember the adjustments on the lift links had to be as short as possible for lifting but the left (I think)link was adjusted to level the plow depending on how deep the furrow was. We always used fluid and the donut weights in/on the front wheels and the stack weights in front of the radiater. I don't remember a problem with ground clearance when raised. These were 3-16 solid moldboard. We traded for the WD45 and 3-16 slatted semi-mounted when they came out. Duey

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