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Tractor 
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Joined: 10 Mar 2014
Location: Duncannon
Points: 18
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 Topic: Rebuild kit?
Posted: 10 Mar 2014 at 7:38pm |
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i'm new to the forum and my brother and i are restoring an allis chalmers b-12 and i was wondering if there was anywhere to get a rebuild kit for the a briggs and straton 12 hp engine?
Edited by Tractor - 11 Mar 2014 at 10:07am
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Clay T. Souerdike
Orange Level
Joined: 25 Nov 2011
Location: Indiana
Points: 2298
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Posted: 11 Mar 2014 at 11:05am |
http://www.ebay.com/bhp/briggs-stratton-engine-rebuild
when in doubt turn to ebay? I thnk I saw a 12 hp one on that list.
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“You are not entitled to your opinion. You are entitled to your informed opinion. No one is entitled to be ignorant.” - Harlan Ellison
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Tractor
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Joined: 10 Mar 2014
Location: Duncannon
Points: 18
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Posted: 12 Mar 2014 at 6:46am |
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Ok thanks
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Steve Kauffman
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Joined: 22 Dec 2013
Location: Manheim pa.
Points: 88
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Posted: 12 Mar 2014 at 4:17pm |
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Hey foxes about time you get on this forum
Steve
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ctbowles58
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Joined: 17 Jun 2011
Location: Clarksville, MO
Points: 2249
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Posted: 12 Mar 2014 at 10:14pm |
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napa, can get them.
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190XT 2WD45 WF D15 D14 CA BIG10 302 & 303 bailers 77G rake 80R mower 6 plows and alot more
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ACmowerguy
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Joined: 20 Apr 2010
Location: Winfield, MO
Points: 1210
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Posted: 12 Mar 2014 at 10:29pm |
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The original B-12 engine is a model 300421 ? or something close. Briggs has discontinued the oversized pistons for that engine and I don't believe Rotary or any other manufacturers make replacement pistons. Rods can be had through Rotary or Primeline. Over on the SimpleTractors forum several members have bored their 12hp blocks out to the standard bore for a 32 cubic inch Briggs (14hp to 16hp). The 12hp CI engine has the same external dimensions and the block is the same thickness as the 14-16hp CI Briggs engines. The pistons STD, .010, and .020 are readily available for these engines and it will give you more power. You might need to change to a 14hp CYL head but it is a direct bolt-on replacement.
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10 various B-series garden tractors, AC Homesteader8, 416 hydro,710 gt, 914, 916H, 917H, 920D, and many misc attachments
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Tractor
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Joined: 10 Mar 2014
Location: Duncannon
Points: 18
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Posted: 13 Mar 2014 at 5:18pm |
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does anybody know where to find the model number on the engine? i've been looking but i can't find it.
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ACmowerguy
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Joined: 20 Apr 2010
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Posted: 13 Mar 2014 at 6:17pm |
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It should be on the blower cover, just to the right hand side of the carburetor.
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10 various B-series garden tractors, AC Homesteader8, 416 hydro,710 gt, 914, 916H, 917H, 920D, and many misc attachments
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