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Got the old rust bucket to roll!


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#1 classic ONLINE  

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Posted January 12, 2017 - 12:09 PM

I went out this morning to see if I could get the seized axle bearing free on the Gibson. I've been heating and soaking it for a few days now. I pushed on the tire and the darn thing moved, but the other axle was holding things up now. I backed off on the brake band adjusting nuts and and that freed the axle, whew. It seems like everything is fine with the gears in the rear, and both brakes actually work. It took a little soaking to free up the brake band pivots. I'll have to inspect the brake bands when I take the rear end apart for new gaskets, bearings and seals. The transmission is in pretty good shape, but I'll be replacing the cluster gear, 1st/reverse slider gear, reverse idler gear, bearings, seals, and gaskets. I don't see any major problems with the engine, but I will be overhauling it. Overall, this Gibson really isn't in that bad of shape considering how nasty it looks now. Lots of work ahead!

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#2 HANKG OFFLINE  

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Posted January 12, 2017 - 02:00 PM

You da man Jim, looks pretty good after all  eh


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#3 classic ONLINE  

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Posted January 12, 2017 - 02:01 PM

I was pretty surprised at how clean the transmission was inside once thawed out. The thick old gear oil coated everything very well. You can see the chipped teeth on the first/reverse slider gear at the far right of the pic. This gear is almost always damaged from people grinding gears. The reverse idler and cluster gears also get damaged from grinding gears. One thing that I did notice, is that the brass synchro rings were left out of this transmission, and for what reason, I don't know. I will be putting new synchro rings in it when I rebuild it. The transmission top cover just needs to be disassembled, cleaned, and put back together. Disassembling the rear end is probably going to be the biggest pain in the &%# on this one.

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Edited by classic, January 12, 2017 - 02:02 PM.

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#4 jimmy G ONLINE  

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Posted January 12, 2017 - 03:28 PM

Maybe the synchronizer's were left out as part of the tractor applications like the speedometer's are
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#5 classic ONLINE  

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Posted January 12, 2017 - 05:07 PM

That makes sense jimmy.I have three T96 transmissions from Jacques Mighty tractors, but they have the synchro rings in them. Here is one of the Mighty Mite transmissions showing the synchro rings in place.

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#6 jimmy G ONLINE  

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Posted January 12, 2017 - 05:42 PM

I think this could be the difference between buying post production stock and preproduction order,soooo is it still going to be shift on the fly when you're done?(purely original question lol)
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#7 jabelman OFFLINE  

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Posted January 12, 2017 - 06:43 PM

do you plan on doing anything with the chipped gears?
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#8 classic ONLINE  

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Posted January 12, 2017 - 07:08 PM

I mainly want the synchros in place to help protect the teeth on 2nd and 3rd gear. No need to shift on the fly, and no need to bang through the gears to get to 10mph, heh! It is convenient to be able to shift from second to third while rolling, though. The chipped gears will be replaced Jay. The teeth are only surface hardened, so once chipped, there's no fixing them. Chipped teeth make it hard to shift into gear, too. I could use the gears and the transmission would still work, but there's no sense in putting it back together like that. After almost 70 years of use, it won't hurt to put a few new gears in it. I already have the parts, and I was going to use them in my Gibson D, but that tractor works fine as is now. I can always hunt down the parts again when I get to rebuilding that transmission. This is what I have, and I think I have the other seal.

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Edited by classic, January 12, 2017 - 08:26 PM.

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#9 dodge trucker ONLINE  

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Posted January 12, 2017 - 07:43 PM

gibson///  you mean Gilson? never heard of a gibson



#10 classic ONLINE  

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Posted January 12, 2017 - 07:50 PM

It's a Gibson model SD, dodge trucker. There were a handful of different models of these tractors going back to the 40's. This is what my tractor would have looked like when new, but the paint on mine is a bit faded, heh!

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#11 MNGB ONLINE  

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Posted January 29, 2017 - 12:22 PM

Hi classic, I finally to the time to find your Gibson thread, interesting I agree put the synro's back and I'd replace the chipped gear also, will be following your progress.

Question did the Gibson's at one time have a tractor with a Model A Ford engine etc or was it another brand?

Ok I was searching and the tractor I had in mind  was a Speedex that used the Model A Ford engine


Edited by MNGB, January 29, 2017 - 12:56 PM.

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#12 classic ONLINE  

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Posted January 29, 2017 - 04:27 PM

It will be a fun project GB. I finally located a Wisconsin AEH with the tin, carburetor, and other miscellaneous parts that I need. Just got back from a road trip to pick up the engine and a couple of others. The generator and engines have been stored for a very long time. I cleaned the points on the Briggs, dumped some gas in it, and it runs like a top. The AEN has good spark, and the magneto on the AEH doesn't click. I won't try starting the Wisconsin engines until I can verify that the oil pumps work. The AEH is coming apart anyway, so I most likely won't try starting it, though.

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