IHC C1 Truck unknown rear end

I’ll place this here since it’s not 100% IHC, but the folks here on yt tend to know quite a bit besides just tractors.
We have a 1936 IHC C1 truck. Appears we don’t have the original rear axel-there’s no opportunity for the emergency break. Dad thinks that may make the axel out of a Dodge product, as he recalls some of the having the emergency break with the trans. No stamped of cast numbers on the rear end that we could find. Only casting numbers are the wheel cylinders-1117787R7. The backing plates are held to the axel with 5 studs&nuts 2.25 on center. Any insights would be appreciated.
I’m trying to post photos.
Can any one provide further Id to the axel?

you may be correct on Dodge. Looking at the axle nut early Dodge (and others) had a tapered axle that took a puller to remove the hub.

I just googled 117787 and ebay has a right side brake cylinder NOS but doesn't know what it fits. If someone had an old Wagner Brake Parts catalog, it may be listed with application.

Your correct-needs puller to take off, and that is the right wheel cylinder-one of my challenges right now-at home with my Dad, so all I have for internet is my phone and I do better on the computer searching parts. Also having trouble getting photo with hub off, but finally got this time, I think...

Unless IH used the same sort of a system for brake adjustment, I would say your axle is from a Chrysler product. Those two bolts on the backing plate actuate cams to adjust the brake shoes. Also, some Mopars used studs instead of nuts. BTW, most of the old Mopars had LH thread on one side of the vehicle. I once owned a '47 Dodge and a '48 Plymouth simultaneously; one had studs, the other nuts.......can't remember for the life of me which had which but they both had LH threads on one side.

Yep, the right side is Land thread. Do have the parts
book for the IHC truck. I believe all the IHC tractor
parts books (ie F12, F14, M) are still available
online through Case-IH, but have not yet found if
the IHC trucks are still listed that way by Navistar or
anywhere?

Found an older Motors repair manual. This looks pretty much like what you have, I think. Note reference to emergency brake as well.

I'm not sure what kind of rear you have there, but I do know that IH also used parking brakes on the transmission on some models. However, identifying the wheel cylinders will not be much help. Back when that truck was built, wheel cylinders were used on many different applications. Most were made buy third parties like Bendix, Wagner, Lockheed and a few others and fit multiple applications.

I might suggest that you look for a set of backing plates from an old Packard or Ford. A good possibility that one of those might fit in place of what you have.

So what are you asking, exactly?

Do you want to find different backing plates equipped for e-brakes, or are you looking for brake repair parts?

Or?

It shouldn't be real tough to swap a more modern rear end in place, cutting the spring pads off and moving them or swapping them as needed has been done thousands of times by hot rodders.

The advantage would be one-piece axles and better/modern brakes complete with parking brakes if that's what you are looking for and easy availability of brake parts and gears to set up the ratio you want.

(quoted from post at 23:28:11 01/03/21)
It shouldn't be real tough to swap a more modern rear end in place, cutting the spring pads off and moving them or swapping them as needed has been done thousands of times by hot rodders.

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I agree.......an 8" Ford would be plenty tough enough for that unless you intend to swap in a high HP engine and make a hot rod out of it.
I assume it is fairly narrow, so something from an early Mustang/Falcon sized car might work. You really need something that has about the same wheel tread width to look right.
Just curious, does the bolt pattern on the existing rear end match the front axle? The Ford rears have the same bolt pattern as your Mopar axle. It would be best to find a rear which matches the original bolt pattern.

(quoted from post at 22:02:24 01/03/21)
I might suggest that you look for a set of backing plates from an old Packard or Ford. A good possibility that one of those might fit in
place of what you have.

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You might have better luck finding backing plates from a newer Mopar rear that utilizes parking brakes at the rear. You'd have to do some checking to see if the backing plate to axle mounting bolt pattern is the same.

We don’t know exactly what to do. Would like to have breaks and preferably parking/emergency too.
My question at the start of the post was, in a nut shell, was what axel might we have?
We don’t appear to have the correct wheels but the fronts and rears are all the same bolt pattern, 4.5” 5 log.
Still has the original Green diamond engine in it, which as it stands will run (though who knows how long will last; I figure though it’s not cracked so it could be rebuilt if needed), and what we believe to be a good original trans. Willing to try swapping in a ‘85 S15 or a ‘94 chevy S10 blazer as we’ve acquired those thinking of the truck, though the Blazer has larger 4.75” 5 lug bolt spacing and probably will need spacers to get tires out wide enough, which should negate the spacing issue. And if we could find an original ‘36 IHC C1 rear end with in 30 miles of 85355 we’d probably do that, though I don’t think that’s possible as to our knowledge our axel is long gone/lost.
Lots of options though if we can keep welding to min that’s the best-Dads a better mechanic than welder.
Even have s15 doner could do the full hot rod route, but that will take a lot of welding.
Probably never drive or show it much, but would like to have it drivable and as it sits it’s not with no breaks, need springs and wheel cylinders for the mystery.
Bout as clear as mud, which is what the S15 is now sitting in curtesy of flood irrigation.

You used to be able to get just the rubber seals for those bake cylinders. Haven't tried in years to get those kind of parts. Old trucks like that in ton or bigger usually get turned in to trailers or wagons around here. No spindle problems that way and tires usually don't give problems either. Fixing what is there and using a band brake for parking would be easier than converting all the rest of it and adding all the cables needed for a change.

Vintage Ford car wheels from 1949 on (roughly) match the vintage MOPAR bolt pattern.
Vintage Ford truck wheels used the bigger bolt pattern common to older Ford cars pre-49.

(quoted from post at 02:47:34 01/04/21) Yep, the right side is Land thread. Do have the parts
book for the IHC truck. I believe all the IHC tractor
parts books (ie F12, F14, M) are still available
online through Case-IH, but have not yet found if
the IHC trucks are still listed that way by Navistar or
anywhere?

Click to expand...

I think you have it figured out that that is a Dodge ..Mopar if you want to call it that. Here is something I found thought it might interest you, may have seen it. It seems to indicate the original hand brake..emergency.. applied at all 4 wheels.
https://content.wisconsinhistory.org/digital/collection/ihc/id/36064
This may also be a source of information for you, Binder Planet
http://www.binderplanet.com/forums/index.php
No matter one way or the other but I have never found online parts break down for an F12 or F20. Seem to start at The letter series A, B..H etc. and newer.
How about a picture of the cab and a peek under the hood for kicks?

Though I’d seen them-but probably didn’t. I’ll have
to look at links too-not sure if that’s for the mech or
hyd breaks, we have the hyd. Have to keep that in
mind-we have a ‘38 F14 in poor shape-probably
won’t do anything with it, tires alone for the F14 are
more than it’s worth, and the engine is frozen, fuel
pump missing, manifold shot, cultivator lift frozen,
who knows what else. Here’s what I have F14
thrown in, missed my chance this vacation to take a
photo under the hood.

Should add, thanks for the help everyone, lots of helpful replies as always. I’ll try to post something if/when we finally get to a conclusion. But Dads only had it since ‘95, so who knows when that will be.

Does your pickup have a three speed or four speed transmission? If 4 spd it should be easy to find the parts to put emergency brake on the rear of transmission as all of the one ton and larger ihc used that setup. Kb5 have the same 4 spd as a k1. Good luck, Mike

That is an 8 3/4 dodge rear end. You should be able to find one that is newer with parking brake. Just replace the baking plate and run a cable for it. They made them up untill 1974 in everything from a pickup to a dart which would be narrow for you pickup.