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Antique Farm Tractors Vintage farm tractors on rubber tires with various implements. Ford, John Deere, Oliver, McCormick and more.

Antique Farm Tractors

1938 Sears Economy 220.25 Restoration


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  #61  
Old 04-13-2017, 11:09:06 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

We finally have some stopping power! Disassembly showed that all the brake linings had some form of damage ranging from chunks missing to nearly the whole lining! The lower shoe on each side also had an oblong hole where the brake actuating linkage attaches. My best guess was that the brakes weren't stopping the tractor like it should so someone thought that if you pulled even harder on the lever it should make the tractor stop. Unfortunately all that did was flatten the end of the shoe. So I had to straighten that issue out and fill up the worn down area with weld and metal finish it down to look like new again. The brake springs were shot so new ones were found and I bought new linings from McMaster-Carr that I countersunk and reriveted on to match the old linings. The inner oil seal is a felt seal and I found a place who specializes in them and was able to custom cut new felt seals to replace the old leaking ones.

Picture #1: The old linings just removed from the tractor.

Picture #2: Setting the brake rivets with this cheap handy tool!

Picture #3: All 4 shoes completed and ready for install!

Picture #4: Shows the internal workings after all shoes, springs, seals and hardware have been installed.
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Old 04-14-2017, 12:10:26 AM
Squatch253 Squatch253 is offline
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Default Re: 1938 Sears Economy 220.25 Restoration

Awesome job on those brake shoes. This has been an interesting thread to follow, thanks for the updates.
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  #63  
Old 04-24-2017, 10:42:43 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Well here are a few pictures of the tractor with a rear end under it and wheels back on for mobility. May not be running, but mobile!
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Old 08-14-2017, 12:00:16 AM
Mike McKnight Mike McKnight is offline
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Default Re: 1938 Sears Economy 220.25 Restoration

Any progress lately on the old girl, or has farming and show season got it slowed to a crawl?

Mike
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Old 09-09-2017, 09:36:07 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

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Originally Posted by Mike McKnight View Post
Any progress lately on the old girl, or has farming and show season got it slowed to a crawl?

Mike
Hello Mike! So sorry, I just now have gotten caught up on my Smokstak threads! Yes some progress has been made, but I was waiting on a piece that is being metal spun for me before I posted next, but it is taking longer than I was told it would! May have to post other progress in the meantime. Yes you are correct on the farming and tractor shows slowing things down some, but it hasn't brought it to a stop though! Always like to keep the ball rolling to some degree at all times...lol! Thanks for checking in Mike!
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Old 09-19-2017, 09:48:47 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Well I'm back with some more progress updates. Sorry for the long delay! Anyway I will try to get you caught up with some of the accomplishments this summer. They weren't huge, but nonetheless it is progress in the right direction.

This tractor was missing the transmission output shaft oil seal holder. Unfortunately it is not the same as a Ford Model A seal holder and is specific to a Sears Economy. The friend I bought the tractor off of let me borrow one off of an SE that he is working on so that I could have one casted from it. I sent it to Tomahawk Foundry in Rice Lake, WI to have casted and once I got it back I did the necessary machining.

In the pictures below you can see the before, during, and after of the making of the new part.
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Old 09-30-2017, 11:38:54 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

We now have a way to get Ford Model A engine power to the rear wheels! This tractor came with only one half of the driveshaft and that half had a damaged yoke and was rendered "only good for a pattern" status. This part of the project got a little more complicated than I had hoped but once all finished we now have a useable driveshaft replicated after the original as best as we could. It's hidden and isn't seen anyway! Where the complications took place was with the splines inside the yokes at each end of the driveshaft. Apparently yokes that are 6 spline with a diameter of 1 3/16" have been discontinued so what we had to do was take yokes with different splines and machine them out to remove the internal splines. I then bought 2 junk Ford Model A U-joint yoke assemblies off of EBay that uses the correct spline and had it machined out and inserted into my new bored out yokes. Here is a pic of the finished driveshaft.
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  #68  
Old 10-05-2017, 09:44:52 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Well another hurdle has been cleared on the SE restoration project. My tractor was missing its battery box and mounting bracket so I had to fabricate them using originals as patterns from other guys SE tractors. Finding a Sears Economy with an original battery box was much harder than I had ever thought possible. Due to them being made out of lightweight metal and having been exposed to rust, dirt, and battery acid for nearly 80 years, most SE tractors have had beefed up battery boxes made to replace the lightweight original. Finally after an extensive search I found a couple originals that were in good enough shape to get all the necessary measurements to use to reproduce a new battery box to the exact original specs. Due to so few original battery boxes out there, the demand was high and while I was taking the time to make them, I decided to go ahead and make as many as I could from my sheets of steel. I ended up making 13 and am already down to 4 left! Below are some pictures of them.

Pic #1: Finished battery box.

Pic #2: 11 of the 13 new battery boxes finished and ready to go.

Pic #3: The new mounting bracket that holds the battery box in between the frame rails.

Pic #4: The new battery box and mounting bracket installed on the tractor.
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  #69  
Old 10-20-2017, 12:00:18 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

I lost track of this and just saw your posts! Looks good so far!
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Old 11-11-2017, 10:37:47 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

As you may have saw in a much earlier post, I was missing the floor plate to my tractor so I had to duplicate one from an original as a pattern. Well since then I have had several guys contact me saying that their Sears Economy was missing the floor plate also. So I just decided to go ahead and have the machine shop laser out 15 of them so that whenever someone needs one I have them on the shelf ready to go. After they lasered them out all I had to do was weld in the stud and make the removable cover plate that covers the 3 holes that were intended for you to be able to check the water in your battery. I'm sure that was real handy! Anyway here are a few pictures that show top and bottom.
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Old 12-04-2017, 11:46:16 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Well the next portion of progress on the SE has been the rare optional PTO assembly and everything associated with it.

Picture #1: All the PTO assembly.

Picture #2: The rusted solid PTO bearing with the broken bearing pillow block. As you can see, there is a nice gap between the block and the bearing that is suppose to have a rubber cushion just like a driveshaft hanger bearing.

Picture #3: Shows the broken part with the bolts broken off inside of it.

Picture #4: After the broken bolts had been removed.
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Old 12-05-2017, 11:16:14 AM
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Default Re: 1938 Sears Economy 220.25 Restoration

Years ago i knew where a Thieman was sitting but it got away from me. It had rubber on the rear and Ford front wheels but the rear steel was leaning up against a tree near it.
Thanks for the interesting thread.
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  #73  
Old 12-16-2017, 01:07:10 AM
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Default Re: 1938 Sears Economy 220.25 Restoration

Finally getting around to posting some pictures of the repairs needed for the PTO shaft and bearing holder. After welding up and metal finishing the repair I had to figure out what I was going to do about a bearing. Actually the bearing wasn't a problem at all. It was trying to locate the rubber ring that wraps around the bearing to fit the bearing holder with the proper press fit. After lots of research and calling places, I could only come up with one thing, and I was going to have to make it work in some way. Napa had the original bearing number and by adding a couple letters to the number it was used as a carrier bearing with rubber around it. My first look at it was, how in the heck could I make this work when it's not even the same shape of rubber.....but after some measuring and a sharp box cutter knife I was able to make it fit darn near perfectly! Anyway here are some pictures of it.
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Old 12-27-2017, 11:08:19 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Well here is the final post concerning the PTO assembly rebuild until I have a picture of it installed. This unit is very simple and hardly needed anything but disassembly, thorough cleaning, checking bearing clearances, and most importantly new gaskets and seals. I had to replace both woodruff keys in the main shaft as they were in poor shape, one of which had been custom made with a grinder! Fortunately no damage at all had been done to the shaft or gear so all is well.
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Old 01-14-2018, 10:54:44 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Here we have it, the rare optional PTO unit installed. We figure that of all the SE tractors still in existence, about 1 out of every 10 has the PTO. Below are a few pictures of the completed work.
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Old 01-16-2018, 11:24:05 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

I've really been enjoying watching this tractor come back together; seeing how it was constructed and marveling at its simplicity. Great documentation, can't wait to see more!
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Old 01-21-2018, 02:47:54 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Quote:
Originally Posted by Squatch253 View Post
I've really been enjoying watching this tractor come back together; seeing how it was constructed and marveling at its simplicity. Great documentation, can't wait to see more!
Thank you, but when it comes to documentation I don't think anyone does a better job than you with all your videos! Really like seeing them as it gives a much better visual as to all that you are having to do on your MM! Lots of work but in the end you will be glad you took the extra time and money to do it right and authentically! Keep up the great work!
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Old 01-21-2018, 03:14:42 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

Well my biggest and most recent hurdle on this project was to get the radiator taken care of. As has been the case of lots of parts on this tractor, it was missing the original radiator. So I was in need of an original radiator that I could borrow to replicate from. Unfortunately it can be hard to find an original because the original steel upper tank has usually rusted out and people have modified to make a Ford Model A radiator work. Depending on how much time a person spent on modifying it, the job can look fairly close to an original SE radiator which was made by Perfex, or it can look as if they just slapped it on right off of their Model A car...LoL! After assessing the situation, I chose to build the radiator completely from the ground up without using another radiator as the base because I felt I could get it spot on original rather than having portions of it not quite right. A friend was kind enough to let me borrow the original radiator off of his unrestored, but running Sears Economy. I had both the upper and lower radiator tanks built by The Brassworks in CA out of brass. Yes I did deviate from the original in that aspect because I want this restoration to last for generations to come and with brass I know that can be possible. Once it's painted no one will notice that it is not steel. I also had to make the internal baffle and cut the overflow tube to length to take to the radiator shop. As for the inlet neck, I chose to find some proper dimensional steel to make it to the same degree angle bend because I didn't want to take my friends neck off his tank to have it cast. As the following pictures show, I pieced it together and MIG welded it and then metal finished the welds to get the bend. However on the flange, I TIG welded it on the inside and outside both to get a more factory look and leak proof weld. After it was all finished I leak tested the welds and everything checked out good. Below are some pictures of the beginning progress on the radiator.
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Old 01-31-2018, 10:56:34 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

In the last post all you saw were some parts and pieces. Here are a few pictures of the assembly, as well as the fabricating and fitment. After having made all the pieces you saw in the previous post, I then took them to my radiator shop and had him custom order a core the same size as the original, and then solder all the parts together. After he completed that task, which you can see in the first picture; I then brought it home and made all the sheet metal sides and shrouds for the radiator. Once I finished fabricating the sheet metal, I returned to his shop to have everything soldered together and pressure checked. Below are some pictures of the process. I will post pictures of the new radiator next to the original that was used as the pattern by a fellow friend and collector in a future post.
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Old 02-03-2018, 02:18:33 PM
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Default Re: 1938 Sears Economy 220.25 Restoration

I am sure you know this, but as your drive shaft is pictured it is not 'phased' or 'clocked' correctly for installation. Both crosses need to be on the same plane. Just look up prop shaft phasing. Just thought I would mention it. I like your work.
Fred
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