1955 F350 rear brakes and possible axle swap - Ford Truck Enthusiasts Forums

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1955 F350 rear brakes and possible axle swap

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Old 06-09-2018, 10:52 PM
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Question 1955 F350 rear brakes and possible axle swap

Today I disassembled my rear brakes in perpetration of getting net parts to restore the brakes. I took the hubs and drums off to get them machined but it looks like the drums are either out of round or not mounted correctly to the hubs so the shop wouldn't machine them. I plan on separating the drums and hubs to see if it is a mounting issue.In the mean time I have been looking at possible replacement options. I believe that the drum part number for the 55 with DRW is C2TZ 1126-A. After searching this forum and other spots, it looks like these drums are non existent. If I am lucky I might find some in an old junkyard but then I might run into the same problem.

What options do I have to get rear brakes again, I am open to most anything, from axle/hub/wheel swap to running no rear brakes ... OK that might be a little bit if an exaggeration
 
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Old 06-09-2018, 11:36 PM
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Above my skill level, but one thing some guys have been able to use as a workaround is find a drum type that is close, maybe it needs to be turned down on a lathe, something like that. If the hubs are OK it seems like there ought to be a drum out there that could be made to work with some modification and pressed on the hub. Some kind of interchange manual would be nice to have in your search.
 
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Old 06-10-2018, 10:47 AM
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Ford habitually changed the numbers of these drums over the years, so as you do your search or walk the rows at your favorite swap meet you might find a set of 6 x 7.25” drums in an old box that look right but have a different number. So assuming yours are 13” x 2.5” (I have a reference showing some with 12”x 2” that I don’t believe), the original Dec ‘55 Chassis Catalog shows number TCAA 1126-A. That cross refers to NWRA code X-21240 and K-H 36739. The Ford number changed to B9TT 1126-A then to C2TZ 1126-D per Ford references (or C2TZ 1126-A per the 1964 NWRA reference). They cross refer to NWRA X-21189 and K-H 43823. If you want to believe the industry cross reference, the X-21240 crosses to 1954-1964 Studebaker #682787, and is also shown to have been used by Kaiser Jeep, but no part number is cited. The X-21189 is unique to Ford.

If you want, I can do a separate listing of combined hub and drum sets that might be found. Some of the hubs used by other makes won’t fit your truck but the drum could be the same. Stu
 
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Old 06-10-2018, 12:21 PM
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Originally Posted by truckdog62563 View Post
Ford habitually changed the numbers of these drums over the years, so as you do your search or walk the rows at your favorite swap meet you might find a set of 6 x 7.25” drums in an old box that look right but have a different number. So assuming yours are 13” x 2.5” (I have a reference showing some with 12”x 2” that I don’t believe), the original Dec ‘55 Chassis Catalog shows number TCAA 1126-A. That cross refers to NWRA code X-21240 and K-H 36739. The Ford number changed to B9TT 1126-A then to C2TZ 1126-D per Ford references (or C2TZ 1126-A per the 1964 NWRA reference). They cross refer to NWRA X-21189 and K-H 43823. If you want to believe the industry cross reference, the X-21240 crosses to 1954-1964 Studebaker #682787, and is also shown to have been used by Kaiser Jeep, but no part number is cited. The X-21189 is unique to Ford.

If if you want, I can do a separate listing of combined hub and drum sets that might be found. Some of the hubs used by other makes won’t fit your truck but the drum could be the same. Stu
Stu, That would be very helpful Thanks!

As for the size of my drums, I don't know what size they are, I will need to measure them. I thought they were 12"x2" and got replacement shoes in that size. I really need to double check that Edit: I just checked them, they are 13 inches ..... Time to find rear brake shoes again
I love it when part numbers change
 
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Old 06-10-2018, 05:03 PM
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No NWRA citation links the Ford hub/drum combo to any other make of truck. If Bill is watching he may want to comment on this next statement, but my later Chassis Catalog part number listings don’t appear to show the hub/drum sold as a set. BUT, older citations show them sold as a set under B9TT 1113H and B9TT 1114E for right and left sides respectively. The NWRA and K-H numbers are X-30455 / KH 44752 and X-30456 / KH 44753 respectively. These show use of the X-21189 drum referenced earlier. Stu
 
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Old 06-10-2018, 05:43 PM
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Originally Posted by Hotrod350 View Post
Today I disassembled my rear brakes in perpetration of getting net parts to restore the brakes. I took the hubs and drums off to get them machined but it looks like the drums are either out of round or not mounted correctly to the hubs so the shop wouldn't machine them. I plan on separating the drums and hubs to see if it is a mounting issue.In the mean time I have been looking at possible replacement options.

I believe that the drum part number for the 55 with DRW is C2TZ 1126-A After searching this forum and other spots, it looks like these drums are non existent.
Even with the correct part number, drum is non existant.

If I am lucky I might find some in an old junkyard but then I might run into the same problem.
C2TZ-1126-D (replaced B9TT-1126-A & the original 1953 part number I couldn't find) .. Rear Brake Drum-Use with SRW & DRW / Obsolete

1953/66 F350 & P350/400 Parcel Delivery.

No Ford dealer or obsolete parts vendor has any.

There's no such thing as an F350 with 12" x 2" brakes. The F350/P350/P400 rear brakes used with this drum: 13" x 2.50."

12 1/8" x 2" = 1956/65 F250 & some 1966/72 F250 // 12" x 2 1/2" 1966/72 F250 Camper Special & w/a 7,500 lbs. GVWR

Stu, I didn't look for hubs (rear hubs do not come with drums), but this drum was used with Single & Dual Rear Wheels.
 
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Old 06-12-2018, 03:51 PM
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Originally Posted by NumberDummy View Post
Stu, I didn't look for hubs (rear hubs do not come with drums), but this drum was used with Single & Dual Rear Wheels.
I did a much deeper dive into both the old Ford Chassis Catalogs and the supplier references on this. I agree with Bill that no Ford Chassis Catalog after the 1/52 edition has any listing for the 1113 and 1114 groupings that pertain to the combined hub and drum applications. But that’s not the whole story. Ford produced none of these parts themselves, most were supplied by Kelsey-Hayes. Every K-H wheel and/or brake reference I have (a lot) from 11/56 through 8/81 lists the Ford numbers TCAA 1113C/1114C, then substituted with the earlier mentioned B9TT 1113H/1114E numbers along with their K-H numbers. K-H changed numbers too over the years but they all cross refer back to the NWRA numbers I posted earlier. I’ll not post here all the K-H numbers because I did a Google and EBay search for all of them with no luck.

This F-350 rear drum problem is unlike any other I can recall. Use of these drums spanned more than a decade, so you’d think some would be found. There’s probably a warehouse full of them somewhere that will turn up, hopefully before they all get melted into Kias. Stu
 
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Old 06-12-2018, 04:53 PM
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Old 06-12-2018, 04:54 PM
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Just a pair sitting around at my place
 
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Old 06-12-2018, 11:18 PM
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Originally Posted by truckdog62563 View Post

This F-350 rear drum problem is unlike any other I can recall. Use of these drums spanned more than a decade, so you’d think some would be found. There’s probably a warehouse full of them somewhere that will turn up, hopefully before they all get melted into Kias. Stu
Or worse, the crap wrenches that round over the nuts on our trucks

Were there less bigger trucks produced in the 50's? so there is less overall stock? Or less people care about the bigger older trucks and don't collect the parts as much.
 
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Old 06-12-2018, 11:21 PM
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Originally Posted by bigwin56f100 View Post

If my drums are not salvageable I will have to PM you
 
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Old 06-13-2018, 12:32 AM
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Originally Posted by Hotrod350 View Post
Were there less bigger trucks produced in the 50's? so there is less overall stock? Or less people care about the bigger older trucks and don't collect the parts as much.
Yes on both points. The F-350 during those years was, imho, an inbetween sized truck that was too big for the mass market but too small for many commercial fleet buyers. Every truck manufacturer (except GM) used the 6 x 7.25” pattern, but only Ford limited its use to the F-350 (and the few F-250 Marmon-Herrington conversions). Edit - and Parcel Delivery. And recall what I said above that none of the other manufacturers shared the NWRA X-21189 brake drums. Only the minimal production Studebakers and Kaiser Jeep Gladiators shared the X-21240 drums.

What surprises me about this is there is no known work around. Even on my rare M-Hs Chuck has set me up with new rear drums by modifying later F-250 rear drums. Of course my front drums are NLA. I think I recall Kevin saying the last time his F-350 drums/hubs were mentioned that they are even within factory measurement specs. Is that correct Kevin? Stu




 
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Old 06-13-2018, 06:46 AM
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Yes. They looked almost new when pulled off the f350
 
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Old 06-14-2018, 12:55 PM
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Found another NWRA reference from 2/71 that adds missing information, and repeats known info. It again cross refers the X-21240 drum to Ford TCAA 1126A, B9TT 1126A, and C2TZ 1126A (later to become D). And it reaffirms the Studebaker #682787.

New information is the listing of 1962 - 1965 ****** Models J262, J264, J362, J364 DRW, and FC 170 DRW. The ****** part number is 919657. I did a Google search of ****** parts suppliers, but none of these drums were listed. But down the road when this comes up again the info will be here for that member to do his search. Stu
 
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