Manual transmission problems can some one help

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This is the tag on the train is this how you tell them apart and can somebody identify these tags
 
Wooooh, i didn't know you could pick one of those up from Mopar. But then again, a dealership did tell me that a replacement NV3550 w install was upwards of $3,600. But they back that w unlimited miles and 5 year warranty.


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Thanks for the all the information I had to replacing the transmission kind of stinks hers had 74,000 i purchasing one for 750 with 124,000 I was wondering since it had more miles I would like to do some type of flushes does anybody know of anything to add or I'm just going to put the oil in the transmission then I will change it after a couple of weeks thanks again for all the help