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New Owner of a '74 Tucker 1542

Venture

New member
Good morning,
I bought a 1542 last week and going to start the journey of restoring it. It was a two door that the previous owner converted into a three door. Not sure yet what I'm going to do about the cab. I'm planning on starting at the bottom with the tracks and working my way up to the cab at some point. I did speak with Tucker last week and they were very helpful. Any help where I can source parts (I've heard the IH axles are tough to get parts for) would be appreciated.

Thanks
Derek Wyse
Newmarket, NH
 

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Derek,

Welcome to the forum, and congratulations on your purchase.

In terms of parts sources, Tucker, Inc tends to have the highest prices as compared to aftermarket suppliers. If your idler wheel aluminum castings are in good shape, they can be recovered. Tucker, to the best of my knowledge, doesn't offer this service but several companies do, and recovering is less costly than buying new idler wheels. That's also true of drive sprockets. But to be fair to Tucker, they usually have common wear parts in stock. There's a lot of experience on the forum and I would suggest you feel free to ask questions. Don't be afraid to ask something you think is a "dumb" question. We've ALL been there...

I believe your machine was pretty early in the evolution of the rubber belted Tucker era, and as such may have parts whose design was subsequently changed. I would suggest you post photos to get the best advice from forum members. I've owned five rubber belted Tuckers and the grouser spacing on all five has been 6 1/16" as opposed to 5 15/16 on your machine. That would suggest either your drive sprockets are slightly different or the grousers are slightly different, or both, I suppose.

But please post some pics of your machine!
 
Hello,
Thanks for the welcome and information. Below are a few photos. It does look like there are a few idlers that will have to rebuilt.
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Thanks for the pics.

Some general comments based on looking the the photos:

All of the Tucker's I've owned have had Dana 60 axles, and while I'm not familiar at all with IH axles, yours look a whole lot like Dana 60s. Dana corporation built 60 series axles for (I think) all the American light duty truck manufacturers at one point or another, and I think the axles are IH spec'd Dana 60s. Bottom line: parts may be readily available.

Until sometime in the 1980s Tucker used UHMW plastic strips to support the tracks on both sides of the drive sprockets. During this era the drive sprockets were pointed. They later changed to supporting the tracks with damper wheels, and that required a change to blunt nose sprockets for clearance with the damper wheel system. All but one of the sprocket photos I saw were of blunt nose sprockets, which means they have been replaced.

The design of Tucker grouser bars evolved over the years and the general tendency was that the rear piece of transverse flat bar to be longer in later grouser designs. I see a lot of those, which means many, if not most of grousers have been replaced.

To the best of my knowledge Tucker has sourced the idler wheels from a company called R & K in Long Beach, CA since the beginning of the rubber belted Tuckers. Early idler wheels have "R & K" in the aluminum wheel casting and later ones say "Tucker Sno-Cat". The R & K versions have a larger aluminum casting diameter with a correspondingly smaller rubber "tire" portion. All of yours appear to be later versions. Some of your idler wheels look like the heavier duty versions used on 1700 series machines that feature a black steel two-piece wheel.

Below the hood on both sides Tucker installed expanded metal shields and the exhaust system ran inside of those. All appear to be missing, but that doesn't affect the functionality of the machine.

Parts for these machines add up...fast. For example, one new idler wheel from Tucker is now over $400 (If my math from the latest price increase is right) and you have 20 of them! While the machine may look a little rough, there are a lot of expensive parts that appear to be in pretty good shape. I don't know what your plans are for the machine, but I think you've got some good bones to work with!
 
As Blackfoot pointed out, your axles are Spicer, easy to get part. Not IH axles. Looks like a home spun front 5th wheel. Rear is modified/reinforced with a steel plate. From the looks of this unit, it was ridden hard and put away wet. Still, lots to work with here. I suspect little maintenance. Check slop at outer axle sleeves. Lots of discussion here on the forum. Spend time on research before wrench turning.
 
I thought my aluminum table had some bad wear at the springs, but your steel one just trumped me! After welding & re-drilling, add washers to protect your work. Also, flip that bolt around so the end doesn't hit the tie rod at full turn / deflection. (It's the only one that faces out)

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Hello,
Thanks for all of the words of wisdom. I’ve started to work on the tucker and had a few questions. Does anyone know the part number of the washer that is on the idler (See picture)? Also I‘ve done some digging around and did read that tie rod ends are available. If anyone knows the part number off hand could you please forward? I didn’t write it down when I was reading the tread. Thanks

I‘m going to be pulling the carriage off, checking for play, blasting, painting and putting it back together.
 

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The washers are sold in pairs, or at least they are when bought from the factory. There is an inner washer with a larger ID and the outer washer has a smaller ID.

I bought new tie rod ends from Rock Auto, and tried to save The Infamous WBJ1 some bucks by purchasing the Ultra Power brand economy versions. That was a mistake as the rubber boots have disintegrated before the machine has even been used.

There is a left hand and a right hand threaded end, and you'll need one of each per tie rod. The part numbers I bought were ES187R and ES187L The tie rod ends have 1 1/8"-12 threads. If you look up a 1983 Ford L-Series truck, that will get you in the ballpark but confirm the thread configuration before ordering.

HOWEVER, these part numbers were used on a 1980 vintage machine, and Tucker may have used different versions on yours.

When you start the process of replacing tie rods you may soon be challenging your vocabulary of four letter words. Getting the old ones out can be a downright bear of a job. When we did it, we bought taps to chase the threads on the tie rods themselves and liberally used anti-seize on the new ones.

You will also want to follow Tucker's alignment procedure to get the steering correct. DON"T just count threads and assume it was done properly when the machine was assembled.

The photo of the carrier shows the UHMW track slides are either missing completely, or worn to nothing. Those should definitely be replaced. You can buy new from Tucker and pay handsomely, or buy some UHMW plastic and make your own. The small square ice blockers also look they they may be due for replacement.

If the journals are worn on the carrier and/or the axle housing, you should consider buying some bearing tape to make up for at least some of the wear. I bought bearing tape from Tucker, Inc, but of course there are other sources.

I don't know how far down the rabbit hole of repair/maintenance you want to go. When we remove carriers with the intention of going through them, we will remove all the spindles from the tubes, clean the spindles and spindle tubes and coat them with anti-seize prior to reassembly. Those spindles, like the tie rod ends, have tendency to get rusted/corroded in position and can be very difficult to remove. VERY!

Doing so now is preventive maintenance. If an idler wheel bearing gets loose, it can damage the idler wheel and the spindle, and that can mean spindle replacement. It's hard enough to fight the spindles in the comfort of your shop with all your tools and resources available. Now think about having that fight in the middle of nowhere, on your back, in the snow and having a hard time swinging a hammer to persuade that stuck spindle to cooperate. I've mentioned this in a previous post or two, and some forum members disagree with doing this. Obviously, it's up to you, but I wanted to at least make you aware of the situation.
 
Hello,
Thanks for the information. I’ll look at the tie rod ends on my tucker and see if they match up with the part numbers in the your post. I do have the Tucker alignment procedure. I think I’m going to fabricate new steering rods and save myself the hassle of disassembling, blasting and painting the old ones. One of the rods looks like it has had a few rough days.

I took the UHMW slide of the carrier before taking the photo. I’m getting 4 new slides and small square ice blockers too. There is a metal repair at the aft end of where the UHMW slide attaches that I need to do.

Time is going to drive how much further I get into the left front track. I’m hoping to get into the spindles. At a minimum I’ll get the carrier off and take a look at spindle. If your standing at the front of the left front track facing the rear the only play in the carrier is about 1/8”-3/16” left to right (carrier stays parallel to frame). The carrier doesn’t tilt or toe in or out.

I’ll get the track back together in the next few weeks then start removing the rear fifth wheel and replacing it with steel. I have access to a plasma table and will cut and fabricate a new plate. It would be nice to be able to fix the aluminum one and keep it original but that’s just not going to happen.

Thanks again
 
Hello,
I ended up taking the left front carrier off and went down the rabbit hole that BFT mentioned. Took the spindles out and replaced a few, 4 idlers and drive sprocket recoated, bearings, seals, blast and paint the carrier, uhmw tape on the jounal and the list goes on… Lots of time and $$$! It’s a fun project. The next big project is the rear table. The plan is to cut a new one from steel on a plasma table, however, with so many things taking longer than expected these days there’s likely no way that it will get done for this season. I know its along shot but I wanted to ask the group and see if anyone has either an aluminum or steel table for sale. Attached are pictures of the rear table on the machine now.
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Venture and Blackfoot Tucker:

I just bought a 1984 Tucker 1342. About 2000hrs and the tracks had just been rebuilt. In general it looks pretty sound, except for some wiring mods. Very little rust. I found no cracks. I am looking at everything and try resolve things before getting too adventurous.
Blackfoot Tucker said "You will also want to follow Tucker's alignment procedure to get the steering correct. DON"T just count threads and assume it was done properly when the machine was assembled.


My question has to do with the alignment of the tracks. Blackfoot Tucker suggested to pay attention the track alignment. Is there was "toe in" in the tracks? I was going make them all parallel. Is there any better advice, especially on the "toe in"? If someone has a copy of the Tucker alignment procedure, that would be gold. I talked to Tucker in Medford and they will not provide manuals older than 2000.


Thanks
John
 
Did the factory do the steel plate to aluminum table mounting or was that done after the fact?? I've only noticed one or the other (aluminum table or full steel table).
 
Thanks! That is exactly the information I need. Does Tucker still publish the Four on the Snow newsletter? It looks like it had a lot of useful information. Also do you know of sources for a Service or Operators manual for a 1984 vintage Sno-Cat? Thanks again for the alignment information.
John
John,

Welcome to the forum! There’s a lot of knowledge and experience here, and people are generous in sharing what they know. Please don’t be hesitant to ask questions.

You have my sympathy when it come to wiring issues. Never underestimate what a low-functioning electrical “genius" can pull off in a spectacular manner….

My recollection is you can gain access through Tucker's website to old issues of Four on the Snow, though most deal with newer generation machines.

I have a 1980 version of the Tucker manual provided to purchasers, but honestly it's not all that helpful. It's mostly brochures from the manufacturers of the various components such as Dana, for the Dana 60 axles, Char Lynn, for the steering control valve, etc.

Two cardinal rules for snowcat operation I was told way back when are:

- Don't turn the steering wheel unless the snowcat is moving.

- Don't park it overnight on snow or ice as the tracks may freeze to the surface.

Everybody on the forum likes pictures. How about some pics of your machine, and a description?
 
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