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Live PTO on a Super M

Farmall M, Super M, 400, 450 & 560 Tractors, 1939-1963
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Jason (IL)
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Live PTO on a Super M

Postby Jason (IL) » Tue Aug 07, 2007 7:26 am

I have this nice Super M and I am wonder ing if it is possible to put a live PTO assembly off a 450 on the SM. Would it be live or would I have to swap rear ends and make my own SMTA. I would like to make it Live so I can put a pull behind mower on it and not have to worry about it when I have to cluth.

Also, does the front hood and grill off a 450 match up with a SM.

Thanks
Jason

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Super A
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Postby Super A » Tue Aug 07, 2007 7:40 am

PTO's won't interchange. Hoods and grille are different. I'm not 100% sure if a 450 rear end would bolt up to a Super M clutch housing--I think you would have to go all the way up to the engine-bellhousing connection, which would make the whole tractor longer than a standard Super M, which means none of your other Super M parts--steering linkages, throttle, choke, etc. will work. You'd probably be money ahead to just buy a 400 or 450 and keep your Super M intact--it would be a shame to chop up a good tractor. Do you have an overrunning clutch on your Super M? If not, I would put one on and just "live with it."

Al
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Let us pray for farmers and all who prepare the soil for planting, that the seeds they sow may lead to a bountiful harvest.
Celebrating 75 years of the Super A: 1947-2022

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John *.?-!.* cub owner
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Postby John *.?-!.* cub owner » Tue Aug 07, 2007 8:16 am

I have not had personal experience with it, but form what I have read on the Red Power Magazine site, you would have to replace everything from the engine to the rear. The engine to tranny driveshaft was part of the live pto. As an alternative, they are hard to find, but M&W, and maybe another or tow made a conversion unit that went in place of the left brake (still had full braking), and allowed the tranny to free wheel, while keeping the pto running. It worked by disengaging the final drive gear (inside the tranny). Ones for disk brake versus drum brake do not interchange becuase of the different shafts involved.
If you are not part of the solution,
you are part of the problem!!!

Jason (IL)
10+ Years
10+ Years
Posts: 916
Joined: Sun Feb 02, 2003 10:44 pm
Zip Code: 60936
Tractors Owned: 47 Cub SN 8664
48 Cub
50 Demo
54 Cub
3-55 Cub
2-56 Cub
55 LOBOY SN 876
57 LOBOY
58 French Cub
2- 60 LOBOY
69 Cub
54 Super M
42 H
48 H
57 300LP
57 450
Cub Cadet 123
Cub Cadet 149
Circle of Safety: Y
Location: Gibson City, IL
Contact:

Postby Jason (IL) » Tue Aug 07, 2007 9:32 am

I was just wondering if I could swap out Pto Assemblies and go with theone off the 450. I won't bother, one of these days I'll find myself a 400 or 450 with a fast hitch for reasonable money. 1000 or less. doesen't have to be running, a running tractor takes the fun out of things.

What about a 400 rear end. Arn't they the same as the SM.

Thanks Jason

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Super A
10+ Years
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Posts: 5229
Joined: Mon Jan 26, 2004 10:53 am
Zip Code: 28521
Tractors Owned: Collector of Super As, Corn Pickers, and a buncha other junk. Even a Cub now and then...
Circle of Safety: Y
Location: NC, Jacksonville area

Postby Super A » Tue Aug 07, 2007 11:16 am

The Super M rear end will not swap with anything else. It is more like a straight M other than a little different gear ratios. Super MTA, 400, 450 have more in common with each other than the Super M.

Al
White Demo Super A Restoration Updates

Let us pray for farmers and all who prepare the soil for planting, that the seeds they sow may lead to a bountiful harvest.
Celebrating 75 years of the Super A: 1947-2022


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