12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

Auto to nv5600

Old Mar 10, 2012 | 10:54 PM
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Default Auto to nv5600

I am looking at putting a 6 speed 4x4 in place of my auto 4x4. Does anyone know the length difference between the two. I know the major things that I will need but are there any little hidden changes that are not odvious? I have found one at a reasonable price comes with trans and T case, flywheel, shifter not sure about boot. I will need pedels, clutch hyd. and a clutch. Don't know if the flywheel is for a 13 or 12 1/4 clutch. If it is for a 13 will I have to get a different moter adapter so the starter will work.
Have not seen it went thats why all the questions.
 
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Old Mar 10, 2012 | 11:02 PM
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you can use a starter spacer like what southbend sends with their 5 speed dual disk clutchs instead of changing the whole engine plate

on the trans i actually think your 47rh will be about 1-2" longer then the 5600 because they are longer then the 47re which is 3" shorter then the 5600

you will need the linkage for the tcase shifter also because of the length difference

if you dont get the tcase with it then you will have to change the input shaft in your current tcase
 
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Old Mar 12, 2012 | 03:07 PM
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Thanks I didn't think about the T case shifter and linkage , just assumed mine would interchange.
 
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Old Mar 12, 2012 | 06:42 PM
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yeah we didnt think about it on the 47re to nv5600 swap we did back last summer either, had to wait 3 days on it to come in at dodge

for some reason i'm thinking the 47th is 5" longer then a 47re which is 3" shorter then a nv5600 so thats how i came up with a 2" difference in the lengths
 
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Old Mar 12, 2012 | 08:23 PM
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Does the vaccum lines have the same connections? Will I have any trouble with the speedo?
 
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Old Mar 12, 2012 | 09:54 PM
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there are no vac lines that run to the nv5600 and the speedo reads off of the rear ring gear
 
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Old Mar 13, 2012 | 09:12 AM
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The vac lines I am talking about are on the T case and that is where my speed sensor is also.
 
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Old Mar 13, 2012 | 10:04 AM
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Use your same tcase just change the input shaft inside it. Your vac lines will still work. Speed sensor is in the top of the rearend

Sent with my DROID RAZR in one hand and 14,400 volts in the other
 
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Old Mar 13, 2012 | 07:14 PM
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What is the plug or sensor on the back of the T case.
 
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Old Mar 13, 2012 | 11:07 PM
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let me make sure that a 94 isnt different since that was the first year your VSS could be in the tcase i guess, i have a 94 parts just i will look at tomorrow

also i just noticed your only 4 hours away from me
 
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