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Antique Steel Wheel Tractors - Old Iron Lugs and Cleats Photos and information about antique steel wheeled farm tractors. This is where to find the heaviest of Old Iron tractors.

Antique Steel Wheel Tractors - Old Iron Lugs and Cleats

Twin City 40


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  #121  
Old 01-10-2017, 11:57:29 PM
Mark Schneider Mark Schneider is offline
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Default Re: Twin City 40

That's one impressive set of fenders!
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  #122  
Old 01-11-2017, 01:20:56 PM
Mark Schneider Mark Schneider is offline
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Default Re: Twin City 40

Here is a full length canopy on an early 40 and the only picture of one I've come across so far. I don't know if being an export tractor made a difference on the length.
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  #123  
Old 01-24-2017, 09:23:27 PM
Mike Harmeling Mike Harmeling is offline
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Default Re: Twin City 40

After we fit the fenders and canopy pieces we finished the steering.

Pic 1...Newly cast steering wheel.

Pic 2...The view of the steering shaft. In front is an old operating room light.

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  #124  
Old 01-24-2017, 09:32:56 PM
Mike Harmeling Mike Harmeling is offline
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Default Re: Twin City 40

Pic 1...Machining the steering worm. It was then broached to fit to the new shaft.

Pic 2...The worm matched to the new sector.

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  #125  
Old 01-31-2017, 10:38:06 PM
Mike Harmeling Mike Harmeling is offline
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Default Re: Twin City 40

We knew the radiator would be a challenge. These old tube type radiators were inefficient and had to be a costly part of the manufacturing process for all of the early prairie tractors.

The very early 40's had what you could call a keyhole style radiator that was quickly replaced with a simpler round style. These were very similar although a bit different dimensionally from the 30-60 Aultman Taylor round radiators.

Pic 1...The early style.

Pic 2...The later style.

Pic 3...An early style survivor. Good for measurements but not much more.

Pic 4...A couple later style radiators we picked up on various trips to Biewer's. Again just patterns and informational but not useable


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  #126  
Old 01-31-2017, 10:46:09 PM
Mike Harmeling Mike Harmeling is offline
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Default Re: Twin City 40

After talking with several accomplished restorers and reading the SmokStak postings of Allan Severson and the Flatmoe's, we put a basic plan together. Given that this was meant to be an early style tractor, we committed to using the keyhole style.

Another restorer doing similar projects made a CAD drawing of the end plates and had them formed in the early style.

Pic 1...The shape and construction of a later style radiator. They had brass 23ga tubing flanged and the soldered at the ends with a soldered seam down the length of each tube.

Pic 2...The new end plates

Pic 3...The new tubing to be used.

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  #127  
Old 01-31-2017, 10:50:23 PM
Mike Harmeling Mike Harmeling is offline
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Default Re: Twin City 40

In process in the sheet metal shop.

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  #128  
Old 01-31-2017, 11:49:34 PM
Bruce Flatmoe Bruce Flatmoe is offline
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Default Re: Twin City 40

Your radiator is looking very nice! A memorable experience, isn't it!
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  #129  
Old 02-01-2017, 11:21:39 AM
Mark Schneider Mark Schneider is offline
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Default Re: Twin City 40

Hi Mike. Apparently the earliest of the early 40's were not fitted with a fan shroud as depicted here. I take for granted the sheet metal cover hanging on the upper water pipe is there to enhance the air flow? I wonder if this was an "in field fix" or installed from the factory.
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  #130  
Old 02-01-2017, 09:24:15 PM
Mike Harmeling Mike Harmeling is offline
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Default Re: Twin City 40

Bruce...Yeah, the radiator has been a challenge to say the least. Glad to have that part done.

---------- Post added at 08:24:15 PM ---------- Previous post was at 08:22:23 PM ----------

Mark...that is a very interesting picture. I think it is one of the prototype tractors. That is a picture I haven't seen prior. Several differences are apparent in the picture including different steering, front axle, radiator, and fan assembly for the radiator.

Thanks for posting it.
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