I have two NOS splasher/dipper oil pans that I that the tags are missing.
Both have appear dentical with two exceptions"
a. #1 has the drain at the rear while #2 has it at the side.
b. #1 has a distribution line system that feed sthree troughs from two connections from the main pump line while #2 feeds each of the six troughs fromits own connection from the single main line.
c. A curved "U" shaped piece serves as the bafflels (2) in #1. #2 has two indifidual bafflels.
I think I've read one of Genes posts that mentioned something about the differences but don't remember what he wrote.