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New To Me Allis 620


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#76 bhts OFFLINE  

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Posted January 09, 2012 - 11:00 PM

Not sure how i missed this Dan. Nice looking tractor there missed one here awhile back myself.

#77 IamSherwood OFFLINE  

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Posted January 11, 2012 - 07:59 AM

I just spotted this ad.

That outta make you smile Dan.

ALLIS CHALMERS GARDEN TRACTOR - Ontario Cars & Vehicles For Sale - Kijiji Ontario Canada.

#78 olcowhand ONLINE  

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Posted January 11, 2012 - 09:57 AM

I just spotted this ad.

That outta make you smile Dan.

ALLIS CHALMERS GARDEN TRACTOR - Ontario Cars & Vehicles For Sale - Kijiji Ontario Canada.


I'll have to pass on that one Will! You or Doug should jump on it though! :bigrofl:

#79 olcowhand ONLINE  

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Posted January 11, 2012 - 03:22 PM

Definitely going to add a small auto alternator when I get time to deal with it.

#80 JDBrian OFFLINE  

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Posted January 11, 2012 - 03:54 PM

Daniel that's a good example of the pricing that people demand for GT's up here. Not just for rare ones like the AC 620 but even for more common stuff.

#81 DH1 ONLINE  

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Posted January 11, 2012 - 06:22 PM

I'll have to pass on that one Will! You or Doug should jump on it though! :bigrofl:


Daniel can I trade your D4-7 for it?:bigrofl:

#82 olcowhand ONLINE  

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Posted January 11, 2012 - 06:35 PM

Daniel can I trade your D4-7 for it?:bigrofl:


Sure! If you can make that trade, I wouldn't be upset! :bigrofl:

#83 DH1 ONLINE  

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Posted January 11, 2012 - 06:38 PM

Sure! If you can make that trade, I wouldn't be upset! :bigrofl:


I thought so.

#84 olcowhand ONLINE  

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Posted January 12, 2012 - 06:25 PM

I bought an alternator off ebay last night from a 1991 Honda Accord. It's just like the one I put on my Bush Hog JBI I repowered with a TJD Wisconsin twin. It's stator & regulator & rectifier were all bad also, and very expensive. I think the same system as the 620 has also.
Anyway, I started on a bushing to adapt a drive pulley today. I still have to get a pulley off something, so I can't finish the outer end till I get the donor pulley. Cold out in the shop when I did the beginning of the machining, so camera would have fogged. When I do more I'll likely have the heat going, so will take some pics then.
The adapter will go against the crank end, ahead of the PTO clutch. It will be connected to the crank end, so that the alternator will run full time instead of driving it only when the PTO is engaged.
Here is a pic showing the size of the Accord alternator compared to a normal size Jeep Cherokee alternator of the same make alternator. This little one is the one I put in the Bush Hog.

DSC00082.jpg

The alternator will share space with the battery, but I will have to use a garden tractor battery so to have room for both. A 350cca GT battery will crank her fine.
And powering stuff will be no problem, as this tiny alternator puts out a whopping 80 amps!

Edited by olcowhand, January 12, 2012 - 06:49 PM.


#85 IamSherwood OFFLINE  

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Posted January 12, 2012 - 06:29 PM

I'll have to pass on that one Will! You or Doug should jump on it though! :bigrofl:


Nope, at that price there must be something wrong with it.:bigrofl:

#86 olcowhand ONLINE  

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Posted January 13, 2012 - 06:55 PM

Got the adapter made for the alternator pulley. This machined end has the pin to fit into the crank's key slot. This same machined end fits exactly into the end of the metal contact plate of the PTO clutch, as it protruded just a tick beyond the crank end. This makes for a perfect centered pulley.

DSC00689.jpg

This washer will just touch the clutch bearing, holding it in proper place.

DSC00692.jpg


This end (right side) is machined to fit my pulley to drive the alternator. I will not weld the pulley onto the adapter until my alternator arrives next week. I have to make sure it matches the belt groove in the alternator driven pulley. If not, I can run to the junkyard up the road & find a pulley that will match & mate it to the adapter.


DSC00690.jpg


Here it is mocked up.

DSC00688.jpg

Driven off the end of the crank spins the alternator all the time, while allowing PTO to be used only when needed.


#87 olcowhand ONLINE  

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Posted January 13, 2012 - 06:59 PM

I'm also playing around with an old worn carb body. The main jet adjusting screw is on the bottom of the fuel bowl, and almost impossible to adjust with all the heat shields in place. There is a carb model with the adjustment on the top side, and on my type of carb, the top spot for an adjustment screw is plugged with a brass plug. I drilled it out, then tapped it to match a long adjustment screw from a Kohler carb. This idea should work fine. Figured I'd test with this old body, then later I will adapt my good carb. It will be nice being able to easily adjust the carb settings.

DSC00693.jpg

#88 JDBrian OFFLINE  

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Posted January 13, 2012 - 07:08 PM

That is a very clever piece of work Daniel! What are you going to do with 80 amps. A portable welder maybe LOL

#89 olcowhand ONLINE  

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Posted January 13, 2012 - 07:24 PM

That is a very clever piece of work Daniel! What are you going to do with 80 amps. A portable welder maybe LOL


I could at least add a large inverter & have portable AC! LOL

#90 IamSherwood OFFLINE  

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Posted January 13, 2012 - 07:27 PM

I'm also playing around with an old worn carb body. The main jet adjusting screw is on the bottom of the fuel bowl, and almost impossible to adjust with all the heat shields in place. There is a carb model with the adjustment on the top side, and on my type of carb, the top spot for an adjustment screw is plugged with a brass plug. I drilled it out, then tapped it to match a long adjustment screw from a Kohler carb. This idea should work fine. Figured I'd test with this old body, then later I will adapt my good carb. It will be nice being able to easily adjust the carb settings.

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That's, using the old noggin.:thumbs:




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