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Wd/wd45 speed

Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=202551
Printed Date: 12 Dec 2024 at 10:49am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: Wd/wd45 speed
Posted By: blue924.9
Subject: Wd/wd45 speed
Date Posted: 03 Aug 2024 at 9:17am
Good afternoon gents, picked up a wd non running with a late d17 engine transplanted and 13.6x38 tires on it. I am pondering on keeping my current wd at 240 cubes as my grandpa and I built this tractor while I was in grade school.

This would mean this could be a potential candidate to be bored and stoked and my understanding is the later d17 block is better due to oiling and block strength improvements. What I am wondering is what speed does a straight stick wd go with 38 inch tires at stock wd rpm and then what speed at higher rpm. I ask here as I’m sure there are several folks who have put 38s on an allis

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hi my names dan, I am a young guy. i have a problem, i prefer my tractors orange and my clutches mechanical, thanks for letting me share



Replies:
Posted By: DrAllis
Date Posted: 03 Aug 2024 at 4:09pm
WHAT SIZE (width) of 38's ???  what gear and what higher RPM speed ??   Generally a straight stick WD at 1700 RPM with 15.5 x 38's runs down the track at 3.5 MPH.  Different tire brands have slightly different diameters.



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