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DiyDave 
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50620
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 Posted: 17 Feb 2020 at 9:00pm |
Likely, you'd just bust the wooden pitman arm... 
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BraedonAllisB
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Joined: 16 Feb 2020
Location: Lynden WA
Points: 56
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Posted: 17 Feb 2020 at 8:34pm |
i can get some more pictures soon, i dont actually have the tractor yet, payed for it the other day and i am picking it up tommrow, ill take it as that sickel can be a little dangerous  , dont think i will ever get any implements that require belt pully or pto, maybe a disc but no power required. (what would happen if i engaged pto while sickle is up?
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1940 B
19__ WD
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Dave (Mid-MI)
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Joined: 12 Sep 2009
Location: Hemlock, MI
Points: 542
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Posted: 17 Feb 2020 at 5:17pm |
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The fact that you have a PTO doesn't mean that you have hydraulics. Show us more pics from the rear of the tractor, so we can see what is under the seat.
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mdm1
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Joined: 12 Sep 2009
Location: Onalaska, WI
Points: 2599
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Posted: 17 Feb 2020 at 4:59pm |
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You have 2 levers by the right hand side of the seat frame. One will turn on the pto and hydraulic pump. The other is for pump. It should pull in and out. You have to have the clutch in to engage the pto. Let out the clutch and the pto starts. That is why the sickle mower must be down. I have a belly mower on mine and the mower is going in order for the hydraulic lift to work. Someone with more knowledge will chime in. But man be careful with the sickle.
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Everything is impossible until someone does it! WD45-trip loader 1947 c w/woods belly mower, 1939 B, #3 sickle mower 1944 B, 2 1948 G's. Misc other equipment that my wife calls JUNK!
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BraedonAllisB
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Joined: 16 Feb 2020
Location: Lynden WA
Points: 56
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Posted: 17 Feb 2020 at 10:32am |
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yep, im probably one of the youngest of this group now, thanks for all the tips, it really helps for as i know little to nothing about Allis Chalmers. will definitely take caution with the sickle, what range should i run the throttel when mowing? half, 3/4, full? im assuming i should start the pto in a lower throttle level and slowly bring up RPMs. now what was said, something about the hydralic pump working only when pto on? how will that work if i get a 3 point conversion? will i have to engage pto to lift it up even if i have a brush cutter on the back? thanks again for all the help and fast replys
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1940 B
19__ WD
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albrown915
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Joined: 27 Oct 2017
Location: Indiana
Points: 65
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Posted: 17 Feb 2020 at 9:58am |
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Do not turn on the PTO with the sickle bar mower in transport position! It must be folded down. Keep your fingers away from cutting area when folding cutter bar down because the sickle will move !
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22810
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Posted: 16 Feb 2020 at 11:51pm |
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Shifting the PTO and belt pulley into gear, also engages the cam that runs the hydraulic pump. So, you can't have hydraulic lift pressure without having the PTO running.
Edited by CTuckerNWIL - 21 Feb 2020 at 8:28am
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CrestonM
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Joined: 08 Sep 2014
Location: Oklahoma
Points: 8357
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Posted: 16 Feb 2020 at 10:58pm |
Dadgum looks like at 21, I'm not the youngest fella on here anymore! Glad to see you have an interest in these old tractors. I got my 1942 B when I was 11 and it's a great machine.
As far as the PTO, yes you pull up on the lever with the round loop under the seat. But have the clutch pressed in when you do it or it'll bark at you when you try to shift it. I have a belly sickle mower like that on mine. Yes, the mower drive sheave is clamped onto the PTO. I'm sure it's the 1 1/8" PTO. You will need an adapter, or preferably an Over Running Coupler (ORC). Both will adapt your PTO to work with newer implements. The ORC is usually suggested because since the PTO is transmission driven (ie-geared to the transmission and rear end) when you get a load on the PTO (think rotary mower) and push in the clutch, the spinning inertia from a rotary mower (for example) will keep turning the PTO and keep pushing the tractor forward. It's not that big of a problem unless you get in a tight corner and need to stop quick. I use one on my tractor when running a combine and rotary mower, and it's kinda nice to have. With a sickle mower this won't be an issue, as they don't have much momentum going.
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BraedonAllisB
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Joined: 16 Feb 2020
Location: Lynden WA
Points: 56
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Posted: 16 Feb 2020 at 10:16pm |
just found out that under the belt pully there still is a normal PTO, not sure, it might need a conversion though, thanks for all the help, glad i found this group!!! 
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1940 B
19__ WD
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BraedonAllisB
Bronze Level
Joined: 16 Feb 2020
Location: Lynden WA
Points: 56
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Posted: 16 Feb 2020 at 10:09pm |
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yes, according to tractordata.com it makes it a 1940
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1940 B
19__ WD
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DiyDave
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50620
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Posted: 16 Feb 2020 at 8:47pm |
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looks like a 1940...
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Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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BraedonAllisB
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Joined: 16 Feb 2020
Location: Lynden WA
Points: 56
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Posted: 16 Feb 2020 at 8:18pm |
  here are the pictures, it is serial #38267 it currently has a belt pully on it (anyone know how to turn it on? Do I pull the round lever under the seat?
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1940 B
19__ WD
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mdm1
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Joined: 12 Sep 2009
Location: Onalaska, WI
Points: 2599
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Posted: 16 Feb 2020 at 6:13pm |
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My 39 B doesn't have a pto. Just has a dome cover where the pto would go. I do have a pto to put on it but it is just the pto still no hydraulics.
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Everything is impossible until someone does it! WD45-trip loader 1947 c w/woods belly mower, 1939 B, #3 sickle mower 1944 B, 2 1948 G's. Misc other equipment that my wife calls JUNK!
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DiyDave
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Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 50620
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Posted: 16 Feb 2020 at 6:02pm |
Post your serial number, its in front of gearshift, has tractor no in raised letters, s# will be stamped in.
1. look and see if it has a pto shaft sticking out the middle. If it does, measure it. newer ones have 1-3/8" 6 spline, older ones are smaller, 1-1/8 X 6 spline, adapters are available.
2. aftermarket 3 points basically just bolt on. As to hydraulics, the pump should be on the RH side, opposite the belt pulley. If it has PTO, should have hyd.
3. some plows will, mowers will, all depends on the hardware you have on hand...
Welcome to the site, post s#, and pics if you have them, and others will be along to reply... |
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Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need!
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BraedonAllisB
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Joined: 16 Feb 2020
Location: Lynden WA
Points: 56
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Posted: 16 Feb 2020 at 4:28pm |
hello, I am new to the Allis Chalmers Forum, the reason i have joined is because just today i bought a 1940 Allis Chalmers B, Im needing some help with a few questions, the B I got is stock with no electric start or anything
Question 1: does the stock B have a PTO, if so will it work for modern day equipment such as bush hogs and manure spreaders
Question 2: how hard is it to install a 3 point conversion on a B? do ya think a stock b will have a hydraulic pump to raise and lower the 3 point.
Question 3: will Allis Chalmers C implements work on my B?
thanks in advance, new member of the AC group, Braedon from Lynden Washington  |
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1940 B
19__ WD
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