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Allis-B 1938
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RayJay420 View Drop Down
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Joined: 03 Jan 2026
Location: Madison, WI
Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote RayJay420 Quote  Post ReplyReply Direct Link To This Post Topic: Allis-B 1938
    Posted: 4 hours 12 minutes ago at 2:34pm
I think 1937 no generator,12 volts, Maginto no spark yet
Tran. Oil in cyd.
Any thought
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Gary(WI) View Drop Down
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Joined: 27 Nov 2009
Location: WI
Points: 1007 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary(WI) Quote  Post ReplyReply Direct Link To This Post Posted: 1 hour 44 minutes ago at 5:02pm
Is it for sale or ??
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RayJay420 View Drop Down
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Joined: 03 Jan 2026
Location: Madison, WI
Points: 16 		Post Options Post Options   Thanks (0) Thanks(0)   Quote RayJay420 Quote  Post ReplyReply Direct Link To This Post Posted: 1 hour 24 minutes ago at 5:22pm
Not for sale, just wanted to know about lifts,ram under seat plus bar behind seat.

Also how to test Maginto.
Newbe to tractor workings
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 89556 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 44 minutes ago at 6:02pm
there should be two levers below your  right butt cheek... The RIGID one attached to the differential case will engage the PTO and the hydraulic pump.( lift UP to engage).. Once the PTO is spinning, then the other lever ( sometimes attached to the bottom of the seat frame), will stroke the hydraullic valve and send oil to the cylinder, or open a port and let it bleed back to sump..

If tractor has been setting along time, the POINT inside the mag might be corroded and need cleaned.... also possible that the condenser is bad inside the mag... depending on what mag you have, you can screw up the timing of the mag gears by pulling the cover off.... you need a little more direction to remove, repair, reinstall and time the mag.


Edited by steve(ill) - 32 minutes ago at 6:14pm
Like them all, but love the "B"s.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 89556 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 38 minutes ago at 6:08pm
this little girl gives a good presentation on how to inspect and repair a mag.. Look at the 19 minute mark to see the gear timing INSIDE the mag.... You might be able to remove the plastic cap and clean the point while on the tractor... if you pay attention to those two gears.... probably dont need to do anything to the IMPULSE and spring on the front end right now... get some spark first... see if the coil is BLACK ( old original) or red ( newer version)..
Like them all, but love the "B"s.
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Points: 89556 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 31 minutes ago at 6:15pm
serial number is by the shift lever... give that and we can tell you the year..  Probably not a 1937.
Like them all, but love the "B"s.
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