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Travis2766 
Silver Level
Joined: 26 Aug 2015
Location: Amherst, Wi
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 Topic: Plow Sizing
Posted: 23 Apr 2024 at 6:14am |
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I am in the market for a bigger plow since I sold my 3 bottom. How many bottoms can I go comfortably with behind my 190XT diesel? I have very light sandy soil, I pull a 16’ field cultivator with an 18’ cart drag behind the 190 in my soil. I know the old saying of 20hp per bottom but I’d prefer to not pull the tractor too hard. Seems I can find 5 bottoms fairly cheap compared to 4 bottoms in my area. I think I could probably pull 6 bottoms but it’s going to harder on the tractor that I would like and I’m guessing I’d have traction issues. I don’t plow much, maybe 5 acres per year.
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190XT Series III, D17 Series IV, D15 Series II, All Crop 66 and a whole mess of equipment.
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DrAllis
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Joined: 12 Sep 2009
Points: 20567
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Posted: 23 Apr 2024 at 6:23am |
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5 x 16's extremely common on a 190XT and 200 tractor.
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Trinity45
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Joined: 17 Mar 2014
Location: Kentucky
Points: 1688
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Posted: 23 Apr 2024 at 12:34pm |
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The guy down the road pulls 5 -`6's with his and seems to walk away with it. I know I pull 4-16's with my 185 with very little problems.
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TramwayGuy
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Joined: 19 Jan 2010
Location: Northern NY
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Posted: 23 Apr 2024 at 1:03pm |
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I worked on a farm in Wisconsin in the ‘70s and the owner pulled 6-16’s with an on-land hitch and duals on his 190 XT. I think he had it ‘turned up’ a little, and was heavily weighted.
I think the 5-16s would be a good choice, and you don’t need an on-land hitch.
Edited by TramwayGuy - 23 Apr 2024 at 1:04pm
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DrAllis
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Posted: 23 Apr 2024 at 1:37pm |
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By my "old school" plow size formula (43 PTO HP will pull a 43 inch cut plow) The 94 HP mighty 190XT would pull 6 x 16's for 96 inches of cut. But at that time in history, farmers were wanting to plow a little deeper, so 5 x 16 was 80 inches of cut at a deeper plowing depth. A comparison of 6 x 16's x 5 inches deep would be the same as 5 x 16's at 6 inches deep for soil moved.
Edited by DrAllis - 23 Apr 2024 at 1:51pm
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WF owner
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Joined: 12 May 2013
Location: Bombay NY
Points: 4671
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Posted: 23 Apr 2024 at 6:05pm |
I had a set of 5 bottom (semi-mount) and Dad had a set of 4 bottom mounted (both AC) plows. In our heavy clay sod, my 7000 did a lot better with the 4 bottoms than it did with the 5 bottoms.
Soil type makes a huge difference when it comes to pulling plows.
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Brian F(IL)
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Joined: 14 Sep 2009
Location: Paxton, IL
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Posted: 24 Apr 2024 at 11:21am |
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Most of the One-Ninety XT's that were sold out of my dad's dealership were sold with 5-16" plows. Some may have been 4-16's if the farmer had mostly black gumbo. I never remember one being sold with a six bottom plow. Only D-21's and Two-Twenty's had 6 bottoms sold with them.
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Orangeade
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Joined: 09 Jun 2019
Location: NC Wis
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Posted: 24 Apr 2024 at 8:07pm |
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5-16 would be fine. But I wonder, since you say 5 acres to plow, does it really matter 4 or 5 bottom? You'll be done in 30 minutes.
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Travis2766
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Joined: 26 Aug 2015
Location: Amherst, Wi
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Posted: 28 Apr 2024 at 7:58pm |
 Orangeade wrote:
5-16 would be fine. But I wonder, since you say 5 acres to plow, does it really matter 4 or 5 bottom? You'll be done in 30 minutes. |
I have a lot of rocks, I definitely have to go slow. Still going to take a few hours!
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190XT Series III, D17 Series IV, D15 Series II, All Crop 66 and a whole mess of equipment.
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AC7060IL
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Joined: 19 Aug 2012
Location: central IL
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Posted: 30 Apr 2024 at 10:25am |
Travis2766 wrote:
Orangeade wrote:
5-16 would be fine. But I wonder, since you say 5 acres to plow, does it really matter 4 or 5 bottom? You'll be done in 30 minutes. |
I have a lot of rocks, I definitely have to go slow. Still going to take a few hours! |
Plow speed is imperative to which plow bottoms were specified/ordered. Here is a copy of page 8 from the Allis-Chalmers Monoframe Plows semi-mounted & pull-type plows, 70&80 series mounted plows sales brochure, Form No. AED 405-7605-R (May 1976). It list 4 different bottom styles; 386, 387, 392, 394. 
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ac fleet
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Posted: 30 Apr 2024 at 10:31am |
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doin good to pull 3 bottoms here with my 190xtd! I got hard ground! lol!
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http://machinebuildersnetwork.com/
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WF owner
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Joined: 12 May 2013
Location: Bombay NY
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Posted: 30 Apr 2024 at 11:51am |
ac fleet wrote:
doin good to pull 3 bottoms here with my 190xtd! I got hard ground! lol! |
Sam thing here. Some of the ground in our area is heavy clay and hasn't been plowed in my memory. It takes power and weight to pull a plow in that.
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
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Posted: 01 May 2024 at 7:52am |
Orangeade wrote:
5-16 would be fine. But I wonder, since you say 5 acres to plow, does it really matter 4 or 5 bottom? You'll be done in 30 minutes. |
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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housemover
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Joined: 01 May 2012
Location: Belleville, Ks
Points: 103
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Posted: 08 May 2024 at 12:34pm |
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Travis, Standard rule of thumb for engine life is, drop RPM's 10% increase engine life 30% or more! Same thing can be said for loads requiring heavy torque and also applies to transmission wear etc. The job of a dealership is to sell and/or promote. All older experienced farmers would drop 1 bottom in plow size change (or cut lathe with from say 16" to 14") because very few soil types are perfect. If you like your tractor and want to not pull the guts out of it all day long. In heavy soil or rocky ground 4 16" or 18 " bottoms are plenty. Decide what your ground speed is that feels comfortable in the seat & chose the angle (& type) of moldboard that makes the soil roll and crumble (or cover) nicely. Maybe a rock picker should be in line for you if rocks are to bad because they are hard on colters & good colters are VERY IMPORTANT to get a good square land shear in heavy soils. Also a spring trip helps you keep from tearing up your 3-point and plow in heavy rock soil . Just Experience Talking, Housemover
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