Transmission identification

Alaskan_TA said

The partial VIN is on the opposite side from that number, look for a raised pad on the bellhousing.

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I also am having that problem- the number on the pan rail is ARPK40284125538-3191 then there is another #4028191 and on the tail shaft is 0530513-what do they all mean. Is there a site I can go to? can not find any info in my original Chrysler parts manuals