Allis type B lack of power problem
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Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=21190
Printed Date: 11 Feb 2025 at 6:27pm
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Topic: Allis type B lack of power problem
Posted By: alan22
Subject: Allis type B lack of power problem
Date Posted: 22 Nov 2010 at 10:06am
Hi,
Can anyone help with this problem. My 53 allis type B (UK built) idles just fine, but as soon as you throttle up and put it any load on the engine, it just dies. Have completely rebuilt and cleaned out the fuel system and carb but has made no difference. any help appreciated.
Cheers
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Replies:
Posted By: CTuckerNWIL
Date Posted: 22 Nov 2010 at 3:59pm
With everything assembled, do you know for sure you have a good flow of fuel to the carb bowl?
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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: steve(ill)
Date Posted: 22 Nov 2010 at 5:28pm
or is it a timing problem where you have not spark advance when the motor speeds up ?
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Like them all, but love the "B"s.
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Posted By: AC Tundra
Date Posted: 22 Nov 2010 at 9:36pm
plug wires crossed?
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What do you mean another tractor, honey? That tractor has been here for years.
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Posted By: Larry in OK
Date Posted: 22 Nov 2010 at 9:41pm
Yeah check the firing order, trust me your problem sounds very, very familiar. I spent several days spread out over several months figuring that out. oops.
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Some people are like Slinkies. Not really good for much of anything but they still bring a smile to your face when you push them down a flight of stairs.
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Posted By: alan22
Date Posted: 23 Nov 2010 at 3:22pm
Thanks everybody for all your replies. Have checked out firing order and it is ok. The model I have is magneto ignition, is the ignition auto advance built into this? (not too familiar with magnetos). Fuel up to carb and seems to be through to manifold. Throttle seems to work and the revs increase when this is opened. As soon as I engage drive and release the clutch, the engine just dies. Could a blown gasket or faulty piston give this sort of trouble? Beginning to wonder if this is something serious.
Cheers
Alan22
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Posted By: CTuckerNWIL
Date Posted: 23 Nov 2010 at 3:57pm
I would now suspect the governor is not working properly, kinda like the trouble we have had in the State of Illinois in the last several years. It might not hurt to check for manifold leaks with a can of WD40 or brake clean.
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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: Dick L
Date Posted: 23 Nov 2010 at 6:35pm
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Will it run wide open just sitting for several minutes?
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Posted By: Daehler
Date Posted: 23 Nov 2010 at 6:52pm
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I would check the air breather mighthave mud dobber nest in it. Have a C that would die as soon as you throttled it up and that was the problem
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