Axle Identification??? Need help!

[Super350]

Picked up a TRX250R lot and had 2 axles like this in it, anybody have a clue? thanks!

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[Super350]

bump..........

[Dirtcrasher]

It looks like it's made for an enclosed differential. Some type of utility vehicle...

I've never seen tool marks on an axle like that. Someone's got to recognize that as a sport/utility quad or trike...