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D4 starter help

D4 starter help

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OlCatBob
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Hey Guys, I recently came across ( and purchased) a D4400 (7J) that I would to put in my RD4. It has an electric starter on it. Having no knowledge on these, perhaps you could help me.
How do I determine the needed voltage, what kind of solonoid, any preferred wiring size or diagrams?
Whatever you have would likely help me figure out what direction to take.
Thanks so much,
Bob
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Tue, May 19, 2009 12:27 AM
Old Magnet
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That is an original Cat (early Delco-Remy 40MT) 24V inertia drive starter. I'd determine if it works first before doing anything.
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Tue, May 19, 2009 8:14 AM
OlCatBob
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Reply to Old Magnet:
That is an original Cat (early Delco-Remy 40MT) 24V inertia drive starter. I'd determine if it works first before doing anything.
Thanks OM, I found the pics of the "early" and "late" starters, but still couldn't tell exactly what I had. The engine doesn't have glow plugs, and I have no intention of putting any in. I''ve never even seen a D4400 with glow plugs, did they make any? The starter is supposed to work, but I didn,t know what voltage til I noticed your sticky had the info.
I just figured on occasionally recharging the batteries, but may look into an alternator conversion of an old generator.
Thanks for your help, and if you think of something else that may help, let me know.
Bob
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Tue, May 19, 2009 10:04 PM
Old Magnet
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Reply to OlCatBob:
Thanks OM, I found the pics of the "early" and "late" starters, but still couldn't tell exactly what I had. The engine doesn't have glow plugs, and I have no intention of putting any in. I''ve never even seen a D4400 with glow plugs, did they make any? The starter is supposed to work, but I didn,t know what voltage til I noticed your sticky had the info.
I just figured on occasionally recharging the batteries, but may look into an alternator conversion of an old generator.
Thanks for your help, and if you think of something else that may help, let me know.
Bob
That's correct, the D4400/4600 never did have glow plugs....they used a direct fired manifold heater for pre-heat when required. Just a generic 24v wiring diagram, you will have to sort out what you do and do not need.

I'd do a dry run crank on the engine....run some nuts on the studs so you don't arc/burn the studs and do a direct jump start.....unless you know it worked prior. I've seen some where the mounting hole was miss-drilled and drive would not engage or jam.
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Tue, May 19, 2009 10:18 PM
SJ
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Reply to Old Magnet:
That's correct, the D4400/4600 never did have glow plugs....they used a direct fired manifold heater for pre-heat when required. Just a generic 24v wiring diagram, you will have to sort out what you do and do not need.

I'd do a dry run crank on the engine....run some nuts on the studs so you don't arc/burn the studs and do a direct jump start.....unless you know it worked prior. I've seen some where the mounting hole was miss-drilled and drive would not engage or jam.
If it has no glow plugs then keep a can of starting fluid around and if it doesn,t start after turning it over for a little bit then give it a quick sniff in the air cleaner and it should fire. Don,t over shoot the ether in or the engine wll lock up and not turn over till you release the compression.Forgot to say have the compression on when you turn it over for a few turns to get a little heat in the cylinders and then give it a quick sniff in the air claner.In warm weather usually it should start without the starting fluid.
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Tue, May 19, 2009 10:49 PM
OlCatBob
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Reply to SJ:
If it has no glow plugs then keep a can of starting fluid around and if it doesn,t start after turning it over for a little bit then give it a quick sniff in the air cleaner and it should fire. Don,t over shoot the ether in or the engine wll lock up and not turn over till you release the compression.Forgot to say have the compression on when you turn it over for a few turns to get a little heat in the cylinders and then give it a quick sniff in the air claner.In warm weather usually it should start without the starting fluid.
SJ and OM, thanks for the valuable info, I live in the south, so typically starting shouldn't require much usually.
OM, I'm intrigued by the heater you described, and have never (to my knowledge) seen one. Would you or anyone else have a pic to post?
Thanks again for everything.
Bob
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Wed, May 20, 2009 12:32 AM
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