Well the reason I call them 385s is because of the design of the endbell, the plastic part. On Mabuchis website the 380s are different from the 385s so I concluded that the endbell design was an industry standard for the 385. I could be wrong but I have seen nothing to prove otherwise yet. Either way we know these are 380/385/400 sized motors and we know the manufacturer, Suntech. There's gotta be more of them listed somewhere. The whole point of this is to establish exactly which motor we have to determine if there is anything better out there.