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Part number 4020 fuel sending unit.


 
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tomstractorsandtoys
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PostPosted: Fri Feb 09, 2018 10:39 am    Post subject: Part number 4020 fuel sending unit. Reply to specific post Reply with quote

I have a 4020 in the shop that was changed to 12 volt and would like to get the fuel guage working. I ordered a new guage that is 12 volt neg. ground from my parts supplier. What part number sender for in the tank do I need? My parts aftermarket parts place does not carry them. Tom
 
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SVcummins
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PostPosted: Fri Feb 09, 2018 11:11 am    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote

I thought the gauges are 12 volt already
 
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Lee B
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PostPosted: Fri Feb 09, 2018 12:13 pm    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote

They are but positive and negative ground do make a difference in the gauge used. Sender doesn't care which ground system it is so same one you have should work fine provided it works.

However early used 10 ohm GM type and later used 300 ohm type. Will certainly make a difference if gauge ordered is for the wrong type. Part number might help.
 
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Tx Jim
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PostPosted: Fri Feb 09, 2018 1:02 pm    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote


Either of these gauges from JD should work for 12 volt negative ground. AR45436 or R160776
 
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tomstractorsandtoys
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PostPosted: Fri Feb 09, 2018 2:36 pm    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote

Thanks that is what I wanted. I wasn't sure if it mattered to the sender or not. I did see the different senders listed and the difference between the early and late ones. Tom
 
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Tx Jim
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PostPosted: Sat Feb 10, 2018 4:07 am    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote


Here's the fuel sender that Tim recommends for 12 volt conversion. AR26434
 
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Tx Jim
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PostPosted: Sat Feb 10, 2018 6:08 am    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote


1st numbers I posted were for fuel gauge. I don't know what I was thinking about?????
 
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Ragnarok
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PostPosted: Sat Feb 10, 2018 7:41 am    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote


Seems like the last time I installed a 4020 12V conversion kit from JD..the destructions had some part number recommendations for fuel guage and senders if the originals did not work.

I had to swap both parts and also ground the tank sender to get the system to work.
 
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tomstractorsandtoys
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PostPosted: Sat Feb 10, 2018 9:31 am    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote

Thanks for the replies. I am very electrically challenged. I hate wiring. I had to work on a 24 volt last week and just fixing the lights made me want to burn it. Tom
 
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D-
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PostPosted: Sat Feb 10, 2018 10:20 am    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote

I've never had to change the sender when converting unless it was bad.
 
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tim s
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PostPosted: Sat Feb 10, 2018 11:31 am    Post subject: Re: Part number 4020 fuel sending unit. Reply to specific post Reply with quote

Yes the senders are the same,,but over time ,,sloshing back and forth on rough ground wears them out..
 
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