WD 45 engine seized up
Printed From: Unofficial Allis
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=165288
Printed Date: 16 Dec 2025 at 1:56pm
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Topic: WD 45 engine seized up
Posted By: D21GRF
Subject: WD 45 engine seized up
Date Posted: 23 Oct 2019 at 10:29pm
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How would be the best way to break it loose?
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Replies:
Posted By: DrAllis
Date Posted: 23 Oct 2019 at 11:35pm
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You mean "seized up" as in it was running and lugged down and stalled??? or it has been sitting outside in the weather for the last 20 yrs and is now "stuck" ???
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Posted By: jaybmiller
Date Posted: 24 Oct 2019 at 5:32am
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pull plugs, pour 50/50 mix of ATF/Acetone into the plug holes, walk away for a day.. put pipewrench on PTO shaft, engage PTO, gently tug on pipewrench a little. if it moves STOP. all more 50/50 mix, walk away for another. repeat this add mix, tug, walk away until you can use wrench to rotate the engine. patience is the key to this ! My first D-14 sat for 25+ years, it took 2 weeks of 'add/tug/walk', but she runs GRET now....
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Posted By: Rhoadesy_65
Date Posted: 24 Oct 2019 at 6:15am
My H farmall was stuck, a poured ATF and PB Blaster down each cylinder. Then put in 5th gear and rocked the tractor once every other day or two for about two weeks.
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Farmin' with 1981 7010 PD, 1983 6080, 1983 8010, Gleaner R42 in Darke County OH
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Posted By: MACK
Date Posted: 24 Oct 2019 at 6:29am
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Marvel merical oil and acetone. MACk
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Posted By: Sugarmaker
Date Posted: 24 Oct 2019 at 6:57am
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D21GRF, Welcome to the forum. Bring some pictures of your 45 when you get a chance too. Seized up can mean many things. I believe they need to be taken apart to find the issue. There is a reason and sometimes its not good. Regards, Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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Posted By: frnkeore
Date Posted: 24 Oct 2019 at 12:27pm
I've done 3 engines with equal parts, solvent, Xylene and ATF. The Xylene penetrates better than acetone.
For my Oliver 70, it sat about 20 years, I squirted 3 oz, in each cylinder, with a cattle syringe, let set for 2 days, took a pry bar to the flywheel and it broke loose. turned it about 2 teeth, each direction, let it set a day, turned it a little more and added more of my mix. Waited another day and was able to get a complete revolution, did one more rev and put the starter back on and it spins over, easy, to easy. Put a compression gauge on and it had 5 lb compression :(
I've done one, 302 Ford and I'm doing a second one, right now. Both out of the car with pan and heads off. I poured my mixture in 4 cylinders at a time, wait 2 days and you can see some of the mixture gone on some cylinders and completely gone, on others and the bottom of the cylinders wet on all.
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Frank
1959 D17 Series I #24001+, '59 D14
'55 & '59 Ford 850 & 861
Ferguson TO 35 Deluxe, Oliver 70 and 5 more.
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Posted By: MACK
Date Posted: 24 Oct 2019 at 9:58pm
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Put enough in to over fill the bowls in pistons. MACK
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Posted By: frnkeore
Date Posted: 25 Oct 2019 at 12:43am
Good point.
There is a little less than 30cc per oz so my 3 oz is about 90cc. I actually used 100cc, in the syringe.
A D17 piston has a cup of about 60cc (I don't know the spec for a WD45) so, you might put 5 oz (150cc) to make up for the cup.
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Frank
1959 D17 Series I #24001+, '59 D14
'55 & '59 Ford 850 & 861
Ferguson TO 35 Deluxe, Oliver 70 and 5 more.
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Posted By: frnkeore
Date Posted: 25 Oct 2019 at 12:49am
One more thing, do not spin the engine, with the plugs in it, as a full cylinder could "hydraulic" and if it does spin, look out for the oil spray. Don't ask how i know!
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Frank
1959 D17 Series I #24001+, '59 D14
'55 & '59 Ford 850 & 861
Ferguson TO 35 Deluxe, Oliver 70 and 5 more.
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Posted By: LeonR2013
Date Posted: 25 Oct 2019 at 6:55am
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A good way to loosen the engine with very little effort is to put a pipe wrench on the power take off, trans in neutral, and tie a long 4X4 to the pipe wrench with a concrete block hanging on the end. Add your lubricant of choice and walk off. No stress to any of the components. Leon
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