WD starter in a WD45?

Farmall M Beginner · Feb 11, 2011

Will a WD starter work in a WD45?
I went to a salvage yard and they said a WD starter will work, I brought it home and it doesn't have enough power to turn the engine fast? it can just barley turn the engine over. I thought it was the battery so I went and got a battery out of my pickup and it still will not turn it over. Is the starter week or will it just not work in a WD45?
Thanks

Leroy · Feb 11, 2011

Am not an AC guy but symptoms to me indicate a bad starter, if it physicaly fits then it should work. I would say dirty, worn bearings, dirty comutator and worn brushes. Could even be a shorted armature. As long as would run without a load they would consider it good but put a load on that they would not do trying it laying on a bench it could seam good. That is if you have a good strong battery along with heavy cables (not the auto parts store size for the 12 volt cars) and good clean bright connections and not excevice length on the cables. Years ago Farmall H always slow and hard starting, changed starters several times and did not take care of problen. Had and at that time 6 volt cables were common a replacement part longer cable put on as old one went bad, could not get same length so longer was put on. Mechanick was out for different problem and asked him to look at it. His advive was take the cable and cut it off at battery end so was as short as would reach and take a bolt on replacement end and put on. No more slow starter.

Tramway Guy · Feb 11, 2011

You have one or more bad connections. Check the path to the starter, for BOTH posts of the battery and their cables.

bg/mo · Feb 11, 2011

Yes both starters are the same and will interchange, sounds like you have other troubles tho. or possible got a bad starter.

Rock_Picker(MO) · Feb 11, 2011

I would check for "good, clean, electrical connections" before getting another starter. Both positive and ground conn's all the way from battery to starter. Also, as said above, be sure cables are adequate to carry the starter current. A 6V starter requires approximately 2X as much current as a 12V one.

Ted J · Feb 12, 2011

FIRST, take the starter to an auto place, e.g. Autozone, O'Reily's, NAPA, they will test it out. That gives you a place to start.

WD starter in a WD45?

Farmall M Beginner

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Leroy

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Tramway Guy

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bg/mo

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Rock_Picker(MO)

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Ted J

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