Farm Equipment - Gleaner E engine

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Gleaner E engine

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=113571
Printed Date: 26 Aug 2025 at 4:24am
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Topic: Gleaner E engine

Posted By: worldchamp19
Subject: Gleaner E engine
Date Posted: 20 Oct 2015 at 7:06pm

Are there two types Gleaner E engines, one low compression and high compression?
Thanks, Tim

Replies:

Posted By: Dmpaul89
Date Posted: 20 Oct 2015 at 7:22pm

If it has a M after the serial its 7.25 if its a z its 8.00 and theres another 8.25 not sure what the letter is cant remember

Posted By: MACK
Date Posted: 20 Oct 2015 at 10:14pm

Unless it has been rebuilt at some point in the last 50 years. MACK

Posted By: Lonn
Date Posted: 21 Oct 2015 at 10:24am

if it ends with a Z I think that is the 8.25:1, if I remember right.

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Posted By: Skyhighballoon(MO)
Date Posted: 21 Oct 2015 at 10:50am

Gleaner E manuals list the M-code 7.25:1 engine but DanD has documented he has a late E with a factory original Z-code 8:1 engine. Somewhere along the way Allis switched over to the Z-code engine. EIII's also have the 8:1 Z-code engine. V-code is the 8.25:1 engine. Mike

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1981 Gleaner F2 Corn Plus w 13' flex
1968 Gleaner EIII w 10' & 330
1969 180 gas
1965 D17 S-IV gas
1963 D17 S-III gas
1956 WD45 gas NF PS
1956 All-Crop 66 Big Bin
303 wire baler, 716H, 712H mowers