[beater68427]

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The lower E means it had an Eaton posi unit in it. Note that that E looks similar to the E in BE. Hard to tell from the angle, but I'd check it out anyway. Casting date seems early for COPO, though.

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I ran a pencil over the E for eaton today and the E in the BE they are identicle type set, but the E is deeper stamp on the eaton, most of the numbers on the tube seem to fade at top, Im guessing the roll of the tube?? I did pull it apart today to clean next week and set the gears up in it. I have not found anything on the internet that "BE" was to specific to "COPO" but just 4:10 gear ratio and possibly a service part??? I do not know I'm no expert on this. The car does have a multitude of what seems to be "counter parts" I just figured this was the same as well...