Allis 620/720 battery group
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=121950
Printed Date: 02 Oct 2024 at 7:30pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Allis 620/720 battery group
Posted By: structures
Subject: Allis 620/720 battery group
Date Posted: 14 Apr 2016 at 10:05pm
Can somebody tell me what the original battery group size is on the Allis 620 720 tractors. I think it's group 70, but it's not an easy battery to find locally. The previous owner slapped one of those small lawn batteries in it.
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Robert
http://www.allischalmers.com/forum/forum_posts.asp?TID=82702&KW=structures&title=structures-1964-allis-d15-series-ii" rel="nofollow - 1964 D15 Series II
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Replies:
Posted By: ac720nut
Date Posted: 15 Apr 2016 at 3:42pm
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Not real sure I've got a large battery in my 720 and a 420amp Lawn battery in 620 has been starting everytime may be due to the external alt keeping it charged
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Posted By: structures
Date Posted: 15 Apr 2016 at 3:53pm
That little lawn battery starts it just fine too. I was wanting to get the original back in it... It's funny how that little battery can throw that onan around and yet the same battery in my little craftsman riding mower it struggles to turn. I always cussed the battery, but now I'm thinking these new tractors just have puny starters.
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Robert
http://www.allischalmers.com/forum/forum_posts.asp?TID=82702&KW=structures&title=structures-1964-allis-d15-series-ii" rel="nofollow - 1964 D15 Series II
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Posted By: BrianC
Date Posted: 15 Apr 2016 at 8:49pm
Walmart says Group 75N.
Side mount type terminals, with battery in the machine, the terminals are facing the front, + is on the right side of tractor. And there is a spring retained steel cover, that got mentioned here the other day.
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Posted By: mnoonan-NEWI
Date Posted: 15 Apr 2016 at 8:50pm
Group 70. I got mine locally at Fleet Farm in Wisconsin.
It called for that in there battery catalog for the Simplicity 9020. It was a front mount battery and it fits good.
Good luck,
Mike
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AC CA, Ferguson TO-20, Ford NAA, M-M BG, AC #3 Mower, SC Plow, PH Digger, AC 720's with Ark 700 loader & Brantly Backhoe, "Mini B" w/flathead Ford V8
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Posted By: injpumpEd
Date Posted: 16 Apr 2016 at 7:54am
It's a common size for GM cars.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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Posted By: structures
Date Posted: 16 Apr 2016 at 8:15am
thanks guys.
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Robert
http://www.allischalmers.com/forum/forum_posts.asp?TID=82702&KW=structures&title=structures-1964-allis-d15-series-ii" rel="nofollow - 1964 D15 Series II
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