D-14 oil filter/ block ?
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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=209946
Printed Date: 02 Feb 2026 at 2:03am
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Topic: D-14 oil filter/ block ?
Posted By: Wes(Va)
Subject: D-14 oil filter/ block ?
Date Posted: 01 Feb 2026 at 10:05pm
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Have had this engine apart for some time. Original tractor had a hole in the side of the block from a rod coming loose. Found a donor D-14, and pulled its engine apart and found good used sleeves and pistons to put in. Im stumped on the oiling system.. the block has two ports on the right hand side like for the full flow system, but I have a bypass filter base. Its been apart for a while and I cant remember 100% but am pretty sure this filter was on this engine. Would it have had a plug in the lower hole and run the bypass filter? Should I find a bypass filter setup? There is a plunger in the front of the cam
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Replies:
Posted By: DrAllis
Date Posted: 01 Feb 2026 at 10:47pm
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I'd have to research this to give you an accurate answer. Going from memory, the early G-149's were bypass filters. The later G-149's and all G-160's are full flow filter design. The oil pumps were different. Camshaft was the same but I think the ball/spring and thrust device was different at the front of the cam.....The full flow block has different oil flow passages. Too late in the day. This has to be done right or bad things will happen. What's the s/n on the left side behind the carb ?? G-149 or G-160 ??
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