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theagp 
Bronze Level
Joined: 22 May 2011
Location: Hartwell, GA
Points: 6
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 Topic: WD horsepower?
Posted: 28 May 2011 at 3:38pm |
I was wondering if anyone out there could tell me the horsepower of a 1951 WD Allis Chalmers?Thanks, Bradley Pennington
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1951 WD
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acwdwcman
Orange Level
Joined: 16 Oct 2010
Location: palmyra, il
Points: 1075
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Posted: 28 May 2011 at 3:41pm |
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bout 40hp
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wd with a freeman model 90 trip loader, wd45, 38 unstylled wc, b 10 garden tractor and 2-14 ac trip plow. grandpa has a 56 wd45. wd. allis chalmers snap coupler blade and 3 bottom snap coupler plow
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Tedin NE-OH
Silver Level
Joined: 30 Mar 2011
Location: OH
Points: 177
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Posted: 28 May 2011 at 6:31pm |
drawbar 30.23
pto 34.63
Source AC Tractor Data Book
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Dusty MI
Orange Level
Joined: 13 Sep 2009
Location: Charlotte, Mi
Points: 5054
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Posted: 28 May 2011 at 7:29pm |
I had our '53 on a PTO dyno once, 38 hp.
Dusty
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917 H, '48 G, '65 D-10 series III "Allis Express"
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theagp
Bronze Level
Joined: 22 May 2011
Location: Hartwell, GA
Points: 6
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Posted: 28 May 2011 at 8:26pm |
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I have pulled a 7 shank all purpose plow with absolutely no problem. Also a 5foot bush hog with the same success
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1951 WD
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CTuckerNWIL
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Joined: 11 Sep 2009
Location: NW Illinois
Points: 22818
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Posted: 28 May 2011 at 8:37pm |
I was just looking at tractordata.com. They list the WD hydraulic pressure at 1200psi. Multiply by 3.8 and you would be close. http://www.tractordata.com/farm-tractors/000/0/1/10-allis-chalmers-wd.html
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Lonn
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Joined: 16 Sep 2009
Location: Назарово,Russia
Points: 29781
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Posted: 29 May 2011 at 6:49am |
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Old mechanic that I worked with at the AC dealer told me later WDs had a slightly taller piston than the early ones. The early pistons were completely flat while the later pistons were about an 1/8" taller and were beveled around the edges. All I've ever seen are the beveled ones on a WD. Old WCs had flat cast iron pistons that I've run into from time to time. Might be why there is a power difference. My Dad had 2 WD's (a 1950 and a 1952) and he always said the the 52 seems more powerful. I have the 52 and have completely went through it from one end to the other. It had the standard bore beveled pistons. My brother has the 50 WD but it hasn't ever been apart since Dad owned it.
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