WD 45 SLOOOWWW Starter
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=147861
Printed Date: 07 Jun 2025 at 1:23pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: WD 45 SLOOOWWW Starter
Posted By: JCSinPITTS,PA
Subject: WD 45 SLOOOWWW Starter
Date Posted: 23 Feb 2018 at 11:37am
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Dad had the starter rebuilt and I took it back to get it checked, I installed new welding cable size cables with ends made at local wiring shop. I have cleaned the flat cable where it connects to housing and the starters been out and in so many times it has to be clean! Has anyone ran an additional ground wire/cable directly to the starter bolt???
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Replies:
Posted By: DrAllis
Date Posted: 23 Feb 2018 at 11:52am
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If it is still 6 volts, yes I have seen that done in an effort to improve cranking speed. 12 volts shouldn't need it. WD-45 gas starters should have a center armature bearing inside of them to prevent armature flexing. Throughout the last 60 or more years, many reman starters may have been installed and maybe it has a WD starter instead of a WD-45 ?? Also, if it has more than 125 psi cranking compression, it isn't a standard engine anymore and maybe 6 volts ain't enough ??
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Posted By: polarbear
Date Posted: 23 Feb 2018 at 12:16pm
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DR Allis love your comments it is obvious you know your AC's
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Posted By: LeonR2013
Date Posted: 23 Feb 2018 at 1:13pm
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Doc shouldn't the WD have a four brush starter? Danged if I can remember.
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Posted By: DougS
Date Posted: 23 Feb 2018 at 1:53pm
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Can you have someone stick a voltmeter across the starter power stud and ground while you crank it? If the voltage drops below 5 volts on a 6 volt system or 10 volts on a 12 volt system the problem may be your battery or terminal connections.
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Posted By: Steve in NJ
Date Posted: 23 Feb 2018 at 3:49pm
As Doug mentioned, the thing that's almost always overlooked is the Battery. Put a slow charge into the Battery overnight. Let it set for about 10-15 minutes after the charging process is done, then do a draw test. If the needle moves just a little then stays rock solid, the Battery is good. If the needle starts to drop, and keeps dropping slowly (or quickly depending on the condition) you need to renew the Battery. If the Starter has been converted to 12V's, in order to get direct power, use a Starter Relay setup and eliminate the old mechanical switch. You'll eliminate most of the voltage drop, and send more amperage to the Starter motor to spin the engine. HTH
Steve@B&B
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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