piston and sleeve location???
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=43126
Printed Date: 23 Aug 2025 at 2:41am
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Topic: piston and sleeve location???
Posted By: oldchalmersiron
Subject: piston and sleeve location???
Date Posted: 01 Jan 2012 at 10:25pm
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I feel a bit dumb asking this but...Technically, where is #1 piston and sleeve located on a wd? I am guesing it is the sleeve closest to the gas tank, rather than the sleve near the front of the tractor. Ironicly however, the manuals do not even mention where #1 is located. Guess the people who wrote the manuals assume you know where it is and thats my problem! Any help is greatly appreciated!
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Replies:
Posted By: Dipstick In
Date Posted: 01 Jan 2012 at 10:26pm
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Number one is to the front of the engine closest to the radiator, four is in the rear by the gas tank. ------------- You don't really have to be smart if you know who is! |
Posted By: oldchalmersiron
Date Posted: 01 Jan 2012 at 10:31pm
| thanks! I guess i was wrong, it should be running better now... |
Posted By: Orange Blood
Date Posted: 01 Jan 2012 at 11:10pm
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I believe all engines use this pattern. Number one will always be forward most. Even on a V-6 or V-8 etc. the forward most piston on the crank will be number one. If you look closely on a "V" type engine the pistons center line is not exactly straight across from each other. ------------- Still in use: HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060 Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7 |
Posted By: Travis(NE)
Date Posted: 02 Jan 2012 at 1:44am
| There are actually a few engines, i.e. Deutz, that number one cylinder is at the flywheel end. That said one would be correct most of the time assuming number one is at the front of the engine, but we all know what happens when we assume. ;-p |
Posted By: oldironguy
Date Posted: 02 Jan 2012 at 6:44am
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Then there is the Model G where "front" and "rear" are relative and "nearest the radiator" is...what?
Dick
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Posted By: AaronSEIA
Date Posted: 02 Jan 2012 at 7:23am
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#1 is always the farthest away from the flywheel. That solves the problem with the G. AaronSEIA
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Posted By: Brian G. NY
Date Posted: 02 Jan 2012 at 8:28am
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There is another exception that I am aware of from my experience back in the 50s.
The cylinder closest to the radiator on the Flathead Ford is on the left but number 1 cylinder is on the right.
I seem to recall that the FE series engines (332-427) were also that way but I'm not positive.
Of course, this has nothing at all to do with the original question. LOL
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Posted By: injpumpEd
Date Posted: 02 Jan 2012 at 9:15am
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ford V8's always call #1 cylinder the front passenger(right) side, even if it isn't the farthest forward of the front 2 on the crank.
------------- 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! |
Posted By: Orange Blood
Date Posted: 02 Jan 2012 at 9:26am
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All right fine once again I don't know sh!t about anything it seems!! :-) ------------- Still in use: HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060 Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7 |
Posted By: Bill_MN
Date Posted: 02 Jan 2012 at 10:07pm
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thats funny because the way my WD plug wires are arranged on the distributor the number 1 cylinder is the rear one closest to the gas tank, always been this way and it runs perfect, hmm......
------------- 1951 WD #78283, 1918 Case 28x50 Thresher #76738, Case Centennial B 2x16 Plow |
Posted By: oldchalmersiron
Date Posted: 02 Jan 2012 at 10:48pm
| thanks everyone. |
Posted By: DanD
Date Posted: 02 Jan 2012 at 11:45pm
On an Allis engine, #1 is always the one farthest away from the flywheel. On your WD, the rear cylinder is #4. Having said that, the engine and distributor don't really care which end of the engine you call #1. If you pulled out the distibutor and turned it exactly 180 degrees then swapped #1 and #4 spark plug wires and #2 and #3, you would find that it would still run perfectly. Turn the distributor 90 degrees clockwise and move each wire one space clockwise and all would be well again. |
Bill_MN wrote:Posted By: Brian G. NY
Date Posted: 03 Jan 2012 at 11:04am
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What DanD says is right.
I guess the only reason for having the number one socket on the distributer set to the number one cylinder is to make it easier to use the timing mark for timing the ignition.
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