Farm Equipment - intake manifolds

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intake manifolds

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=115130
Printed Date: 16 Sep 2025 at 12:35pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: intake manifolds

Posted By: HudCo
Subject: intake manifolds
Date Posted: 23 Nov 2015 at 8:09pm

is there a differance between wd45 manifold and 170 175 manifold ? what are the differances?

Replies:

Posted By: DrAllis
Date Posted: 23 Nov 2015 at 8:12pm

The only real difference is how the muffler attaches to the exhaust outlet.

Posted By: norm[ind]
Date Posted: 23 Nov 2015 at 8:13pm

170-175-manifolds are threaded for a pipe nipple---wd45 is not

Posted By: Rick
Date Posted: 23 Nov 2015 at 8:14pm

The WD45 and early D17's are the same, but the later D17 Series III & IV and the 170/175 all have the threads in them for a screw in pipe that the muffler clamps to. Rick

Posted By: HudCo
Date Posted: 23 Nov 2015 at 8:15pm

port sizes and bolt patterns all the same?

Posted By: Rick
Date Posted: 23 Nov 2015 at 8:16pm

Yep.