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46RH Need help finding new pump

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Old Mar 10, 2019 | 04:20 PM
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Coller's Avatar
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46RH Need help finding new pump

I’m in the process of rebuilding a 46RH and the stator shaft has been scored quite deep from a convertor someone had on it.
I’ve been trying and trying to find a replacement for it. Does anyone know if one off a 47rh Cummins will work on a 46RH beings that it’s a non lockup.
I found one on eBay that came off a 94 46RH cummins and the part numbers are the same... so.....

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Old Mar 10, 2019 | 07:34 PM
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https://www.wittrans.com/parts
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Old Mar 16, 2019 | 04:51 AM
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Originally Posted by Coller
I’m in the process of rebuilding a 46RH and the stator shaft has been scored quite deep from a convertor someone had on it.
I’ve been trying and trying to find a replacement for it. Does anyone know if one off a 47rh Cummins will work on a 46RH beings that it’s a non lockup.
I found one on eBay that came off a 94 46RH cummins and the part numbers are the same... so.....


The stator (reaction shaft) is different between a lockup and non lockup. Put a lockup shaft in a non lockup transmission and the torque converter will not fill. Not sure what you are looking at though as far as scoring from a torque converter. Can you post a pic? Generally pumps from these trans parts suppliers do not come with the reaction shaft, that's a separate part.

In 94 the "Cummins" trans was a 47RH and it was a lockup. Whoever is selling that part doesn't know what they have, it's either not from a 94, not from a "Cummins" truck, or it is a lockup shaft.
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Old Mar 16, 2019 | 01:51 PM
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I’ll get some pics posted of the scoring on the star or shaft as soon as I get home. Isn’t the stator all one piece? Meaning the shaft isn’t pressed in correct?
I verified the part number on on both stators again and their both 4428444.
I took my chances and ordered the Stator/Pump.
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Old Mar 17, 2019 | 07:43 PM
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Pic of statorcould it be bad machining

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Old Mar 17, 2019 | 09:51 PM
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Id say it was machined that way. No discoloration at all like it was getting hot. Looks normal to me.

Edwin
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Old Mar 18, 2019 | 08:44 AM
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That is perfectly normal, everyone of them looks like that.
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