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Looking for some measurements

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TheOldHokie

01-10-2008 18:14:46




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Hey Guys,

I'm working on a potential new project and I need some dimensional data. If you have your tranny/rear split or access to the parts I'd appreciate some measurements. At this point it's still just a feasability study and I don't want to split my 9N just to measure:



  1. The number and OD of the splines on the rear of the transmission mainshaft - e.g. 1.25 x 10T.

  2. The number and OD of the splines on the pinion shaft - probably the same as (1) but just double checking.

  3. The OD and width of the mainshaft rear bearing. If you know the bearing number (not the Ford p/n) that will be just as good.

  4. The depth of the mainshaft rear bearing counterbore in the transmission case.

  5. The distance from the centerline of the end of the transmission mainshaft to the top of the PTO shifter housing

  6. The overall length of the coupling sleeve between the mainshaft and the pinion shaft.



Also if anybody has some good pictures of the rear of the transmission case annd/or the inside of the front opening of the rear housing I'd appreciate a peek.

TIA,

TOH

P.S. - don't ask - If I told ya I'd have to kill ya :wink:

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TheOldHokie

01-12-2008 15:03:53




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 Re: Looking for some measurements in reply to roger '40 9n, 01-10-2008 18:14:46  

Hobo,NC said: (quoted from post at 07:44:41 01/12/08) The pinion and main shaft are different,,pinion 1.478

Maine shaft 1.375

Still look'n for the bad main shaft

The splines on the tail of the main shaft are the same as the input were the clutch fits

[/quote:74636d2b2d]

That's good news - I'm squeezed for space on the mainshaft end and every 1/8" helps. After thinking about it I'm wondering if that pinion's not a 1.5" SAE spline after all. It's .022 under on the OD but if they were looking for easy assembly sliding the tranny up to the rear they may have shaved the outside a tad. SAE straight splines are basically fitup using the ID and flank clearances according to Machinery's Handbook

[quote:74636d2b2d]What we talked about last nite,,, I had instructions on what why i sent the junk parts 2 ya,,, MO was rite on top of that,,,, Even went as far as to make a few drawings,,, did strike me funny that when i called ya last you had no I.D. why I sent the junk,,, guess ya never see the paper werk. Wif's sick,,, flue,,, will look into it later,,, I do have a inside connection at USPS,,, don't worry about the deal,,, its my problem to find a receipt


My fault for not looking more closely. You're good to go whether you find the receipt or not, Your stuff will be heading out ASAP.

TOH

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Hobo,NC

01-12-2008 06:44:41




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 Re: Looking for some measurements in reply to TheOldHokie, 01-10-2008 18:14:46  
The pinion and main shaft are different,,pinion 1.478 Maine shaft 1.375 Still look'n for the bad main shaft

The splines on the tail of the main shaft are the same as the input were the clutch fits


What we talked about last nite,,, I had instructions on what why i sent the junk parts 2 ya,,, MO was rite on top of that,,,, Even went as far as to make a few drawings,,, did strike me funny that when i called ya last you had no I.D. why I sent the junk,,, guess ya never see the paper werk. Wif's sick,,, flue,,, will look into it later,,, I do have a inside connection at USPS,,, don't worry about the deal,,, its my problem to find a receipt

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TheOldHokie

01-11-2008 09:53:55




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 Re: Looking for some measurements in reply to Dunk, 01-10-2008 18:14:46  
Criminy Jickets!!! Thats massively non-standard and gonn'a be tough to match! OK - changed my mind - send it my way and let me see what I can cobble up....

TOH



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Hobo,NC

01-11-2008 13:23:06




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 Re: Looking for some measurements in reply to TheOldHokie, 01-11-2008 09:53:55  
TOH are you talk'n to me,,, you want it all are part of it,,, I think i can saw some off,,, I have a bad out put shaft also,,, can cut some of it are the pinion.



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Sean (TX)

01-11-2008 03:07:27




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 Re: Looking for some measurements in reply to Joe)NYC), 01-10-2008 18:14:46  

TheOldHokie said: (quoted from post at 22:33:20 01/10/08)
Ken(Ark) said: (quoted from post at 20:12:29 01/10/08) I have a few carcasses behind the shop . Do you need dimensions for building something to the thousandths or to like 1/16"s - Ken(Ark)


Both :roll: For now sixtenths are good. Sean's pics cleared up a lot of my issues. If youget a chance measure the bored opening and retainer for the mainshaft rear bearing, How deep does the bearing sit in the bored hole and/or the retainer. The OD on the splines (I count 10 in Sean pic) would be nice, SAE standard 10T splines are 1.000, 1.125, 1.250,1.375, and 1.500 OD. - that's only eighths :D
And if you're carcasses have a PTO shifter on them look to see if it might be possible to remount it rotted 90* clockwise. Looks to me like the flange will overlap face of the case.

Thanks

TOH


Another pic...Should have got more pics after I cleaned everything up...

third party image

third party image

third party image

third party image

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Bob

01-10-2008 22:27:48




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 MORE to think about... in reply to TheOldHokie, 01-10-2008 18:14:46  
Third Party Image
Ford truck pinion, 8N pinion, Eaton pinion.

I KNEW I had this photo, SOMEWHERE! I will measure the shaft tomorrow, in case no one else does. Note the similarity of the Ford truck pinion. I have the tooth count in some notes, somewhere, but can't find it at the moment.

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TheOldHokie

01-10-2008 19:42:55




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 Re: Looking for some measurements in reply to JMOR, 01-10-2008 18:14:46  

Hobo,NC said: (quoted from post at 20:39:01 01/10/08) I think I got a bad pinion ,,, ya want it


Nope - just the OD of the splines. BTW I just packed up your goods - I'll drop them at the PO tomorrow AM.

Thanks,

TOH



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Hobo,NC

01-11-2008 07:11:08




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 Re: Looking for some measurements in reply to TheOldHokie, 01-10-2008 19:42:55  
1.478



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TheOldHokie

01-11-2008 08:28:52




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 Re: Looking for some measurements in reply to Hobo,NC, 01-11-2008 07:11:08  
Say what? That's not a standard size - you sure that's not 1.378 (1.375)? My ASSumption was a standard SAE 1.375 x 10T spline.

TOH



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Hobo,NC

01-11-2008 08:50:02




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 Re: Looking for some measurements in reply to TheOldHokie, 01-11-2008 08:28:52  
O.D,,, out side 2 out side across the spline,,, with in a tho or 2,,, 1.478,,, went back and rechecked,,, pulled a tape across it,,, no a 1 3/8" for sure



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Hobo,NC

01-10-2008 19:39:01




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 Re: Looking for some measurements in reply to TheOldHokie, 01-10-2008 18:14:46  
I think I got a bad pinion ,,, ya want it



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TheOldHokie

01-10-2008 19:33:20




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 Re: Looking for some measurements in reply to Gaspump, 01-10-2008 18:14:46  

Ken(Ark) said: (quoted from post at 20:12:29 01/10/08) I have a few carcasses behind the shop . Do you need dimensions for building something to the thousandths or to like 1/16"s - Ken(Ark)


Both :roll: For now sixtenths are good. Sean's pics cleared up a lot of my issues. If youget a chance measure the bored opening and retainer for the mainshaft rear bearing, How deep does the bearing sit in the bored hole and/or the retainer. The OD on the splines (I count 10 in Sean pic) would be nice, SAE standard 10T splines are 1.000, 1.125, 1.250,1.375, and 1.500 OD. - that's only eighths :D
And if you're carcasses have a PTO shifter on them look to see if it might be possible to remount it rotted 90* clockwise. Looks to me like the flange will overlap face of the case.

Thanks

TOH

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Dan

01-10-2008 19:17:35




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 Re: Looking for some measurements in reply to TheOldHokie, 01-10-2008 18:14:46  
I looked tonight for more pics, but Sean has better close ups than me. Good luck.

Dan



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Ken(Ark)

01-10-2008 19:12:29




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 Re: Looking for some measurements in reply to TheOldHokie, 01-10-2008 18:14:46  
I have a few carcasses behind the shop . Do you need dimensions for building something to the thousandths or to like 1/16"s - Ken(Ark)



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TheOldHokie

01-10-2008 19:07:07




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 Re: Looking for some measurements in reply to ford-s, 01-10-2008 18:14:46  
Thanks Bob - exactly what I wanted.
TOH



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Bob

01-10-2008 18:36:24




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 Re: Looking for some measurements in reply to TheOldHokie, 01-10-2008 18:14:46  
Surprisingly, the online NH parts catalog DOES give SOME of the dimensions the the bearing, cup and cone:


#86516471 Bearing, Cone Cone, Bearing, Inner, 1-3/8" Id x 31/32" Wide, Main Drive Gear Bearing, Years: 01/01/1948-12/31/1952

#517512 Bearing, Cup Bearing, Cup, 2-7/8" Od, Transmission Output, Rear, Years: 01/01/1948-12/31/1952

I have a final drive pinion at the shop, but I'm sure someone elese will post those spline dimensions before I can check that out.

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Sean (TX)

01-10-2008 18:25:36




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 Re: Looking for some measurements in reply to Joe)NYC), 01-10-2008 18:14:46  
Here are couple pics...41 9N tranny rebuild...

third party image

third party image

third party image

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TheOldHokie

01-10-2008 19:03:44




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 Re: Looking for some measurements in reply to Sean (TX), 01-10-2008 18:25:36  
Thanks Sean - exactly what I needed to see - much that was muddy has become clear. There's a fly in the ointment but I think I got the swatter....

TOH



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