12V battery size for a SAV or SA

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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customcutter
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Farmall 100

12V battery size for a SAV or SA

Postby customcutter » Thu Jan 12, 2023 8:57 pm

I am trying to get my FILaw's SAV running again. I checked the ignition system and it has been converted to 12V by the PO. It has an alternator and an external coil over the Magneto. I've done a few searches and the only info I have found is that the original 6V batteries were 19L group size.

I cranked it over by hand 4-5 times this morning. Then I tried hooking up the charger to the battery dated 9/14. It's beyond dead, but I did get the starter to bump when I turned the charger up to 225 cranking amps.

I need to pick up a battery and see if I can get spark after cleaning the battery cables, terminals, and connections. I'll clean up the points on the magneto, plug wires, and inspect the plugs also when I get a chance.

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Don McCombs
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Re: 12V battery size for a SAV or SA

Postby Don McCombs » Thu Jan 12, 2023 10:42 pm

A Group 26 or 26R (12V) battery should fit in the battery box designed for a 6V battery.
Don McCombs
MD, Deep Creek Lake

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customcutter
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Re: 12V battery size for a SAV or SA

Postby customcutter » Thu Jan 12, 2023 10:53 pm

Don, thanks for the information. The battery box is long gone, but I may fabricate something after reading the threads about battery explosions and missing battery box tops.

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Re: 12V battery size for a SAV or SA

Postby Jim Becker » Thu Jan 12, 2023 10:56 pm

The Super A battery box also provides a brace for the instrument panel. Movement of the panel affects the throttle and hydraulic settings. You want to take that into consideration when you fab up a battery holder.

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Don McCombs
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Tractors Owned: "1950 Something" Farmall Cub
1957 Farmall Cub w/FH
1977 International Cub w/FH
1978 International Cub
1948 Farmall Super A
Circle of Safety: Y
Location: MD, Deep Creek Lake

Re: 12V battery size for a SAV or SA

Postby Don McCombs » Fri Jan 13, 2023 7:46 am

Should you decide not to fabricate your own, the following individual makes excellent reproduction battery boxes...

Unique Design Workshop
830 South Main Street
DeGraff, Ohio 43318
Telephone: Norm Quay: (937) 585-6475
Don McCombs
MD, Deep Creek Lake

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Proud Member of Maryland Chapter 39

The best teachers are those who show you where to look, but don't tell you what to see.
A. K. Trenfor

customcutter
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Posts: 139
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Tractors Owned: Super A Industrial
Farmall 100

Re: 12V battery size for a SAV or SA

Postby customcutter » Fri Jan 13, 2023 10:18 am

Jim and Don, thanks for that info. I'll keep it in mind, once I get it up and running. I think a rear tire or tires might be a bigger issue. Both are holding air, but the left tire (from the operators seat) has a large flap that is opening up. I was looking on line a couple of nights ago and it looks like they are giving them away, LOL!

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Re: 12V battery size for a SAV or SA

Postby staninlowerAL » Mon Jan 16, 2023 4:24 pm

PM sent. Let me know if I can help. You can also contact mvhighcrop (Buddy Banks, the LACubfest host) for additional information.
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)


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