TT Rear axle help
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Alex Dragone
Topic author - Posts: 147
- Joined: Tue Mar 12, 2019 8:43 pm
- First Name: Alex
- Last Name: Dragone
- * REQUIRED* Type and Year of Model Ts owned: 1910 Roadster, 1911 Torpedo, 1915 Touring, 1926 Roadster
- Location: Orange, CT
TT Rear axle help
I am very familiar with the regular model T rear axle, but not so much with a worm drive TT rear. Is the design of a TT rear a lot different than a regular car rear other than the worm drive part? I just acquired a TT and plan on doing it up to drive, so should I tear down the rear and rebuild it? It has a Ruckstell. Any help is appreciated. Thanks.
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HPetrino
- Posts: 490
- Joined: Sun Jan 06, 2019 11:14 am
- First Name: Henry
- Last Name: Petrino
- * REQUIRED* Type and Year of Model Ts owned: 1918 TT
- Location: Modesto, CA
Re: TT Rear axle help
They are completely different. The TT worm drive is very simple and has no adjustments. You just bolt it together. I'm not sure about the TT Ruckstell. That might introduce a higher level of complexity.
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Mark Gregush
- Posts: 4967
- Joined: Sat Jan 05, 2019 1:57 pm
- First Name: Mark
- Last Name: Gregush
- * REQUIRED* Type and Year of Model Ts owned: 1925 cutdown PU, 1920 Dodge touring, 1948 F2 Ford flat head 6 pickup 3 speed
- Location: Portland Or
- MTFCA Number: 52564
- Board Member Since: 1999
Re: TT Rear axle help
The Ruckstell book that can be bought at the dealers covers rebuilding the TT Ruckstell. We make the felt seals that are more correct then the ones in the catalogs. Contact me off line and I will put you in touch with Tom who makes them.
I know the voices aren't real but damn they have some good ideas! 
1925 Cut down pickup
1920 Dodge touring
1948 Ford F2 pickup
1925 Cut down pickup
1920 Dodge touring
1948 Ford F2 pickup
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Jeepbone1
- Posts: 596
- Joined: Sun Jan 06, 2019 6:10 pm
- First Name: Brad
- Last Name: Kirtner
- * REQUIRED* Type and Year of Model Ts owned: 1924 Touring Car, 1927 Closed Cab TT, 1927 Coupe
- Location: Salem, Virginia
- MTFCA Number: 50618
- Board Member Since: 2018
Re: TT Rear axle help
I HIGHLY suggest tearing into it. I just tore mine apart and found every single one of the differential carrier bolts spinning. Luckily they had cotter pins preventing the nuts from completely backing off. I found one differential bearing almost falling apart, one trashed Hyatt bearing and some bad seals. It’s going to take a little more time and money than I had first anticipated but it’ll be 100% rebuilt and it gave me a reason to install a new to me set of 5:1 high speed gears.
My 2¢
Brad
My 2¢
Brad
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Jeepbone1
- Posts: 596
- Joined: Sun Jan 06, 2019 6:10 pm
- First Name: Brad
- Last Name: Kirtner
- * REQUIRED* Type and Year of Model Ts owned: 1924 Touring Car, 1927 Closed Cab TT, 1927 Coupe
- Location: Salem, Virginia
- MTFCA Number: 50618
- Board Member Since: 2018
Re: TT Rear axle help
Here’s a link to one of my very sloppy bearings.
https://www.facebook.com/groups/Fordmod ... 108595548/
Brad
https://www.facebook.com/groups/Fordmod ... 108595548/
Brad
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A Whiteman
- Posts: 1015
- Joined: Sun Jan 06, 2019 3:36 pm
- First Name: Adrian
- Last Name: Whiteman
- * REQUIRED* Type and Year of Model Ts owned: 1926 TT, 1924 Colonial Roadster, 1924 'Bullnose' Morris, 1925 'Bullnose' Morris, 1936 JD AR
- Location: South Island, New Zealand
Re: TT Rear axle help
Welcome to the TT club 
Search the forum here and the previous one too for TT topics, there is a wealth of info and advice. (for example: viewtopic.php?f=2&t=13093)
Yes, you would be wise to pull down the axle and inspect it at the least. There will be worn parts, but at the minimum, a good clean out of sludge is important.
Two suggestions: buy the MTFA Ruckstell book (latest copy is best) and secondly - beware it is HEAVY, so you will need help and a strong work bench.
And a third bit of advice - don't worry too much, it isn't all that hard to do (especially with the book as a guide and asking here for anything you are not sure of).
All the best
Search the forum here and the previous one too for TT topics, there is a wealth of info and advice. (for example: viewtopic.php?f=2&t=13093)
Yes, you would be wise to pull down the axle and inspect it at the least. There will be worn parts, but at the minimum, a good clean out of sludge is important.
Two suggestions: buy the MTFA Ruckstell book (latest copy is best) and secondly - beware it is HEAVY, so you will need help and a strong work bench.
And a third bit of advice - don't worry too much, it isn't all that hard to do (especially with the book as a guide and asking here for anything you are not sure of).
All the best