XT Deore M750 Crankset-Head Scratch

[trezize]

Am I going insane?
I am looking at a set of XT FC-M750 cranks that recently arrived and I am seeing a square taper fitting?
But I thought these cranks had a Octalink V2 fitting? Didn't they?
Did some early production have square taper?
Did someone machine out the Octalink to allow a square taper fit? Am I loosing it?

Please help. Thanks

 

[bikeworkshop]

Same typeface, same paint scheme, same spider, and when new, same chainrings.

Xt fc-m750, square taper.

Xt fc-m752 octolink:
Of course either if these could be found on an xt m75* groupset.
It's very unusual for shimano to change just the last digit of a 3 digit product code without it just being colour or another smallish detail.

 

[benjabbi]

There was a m751 in the middle too. Octalink bb.

 

[trezize]

Thanks guys. I think I was misinformed about the M750. The information I was referencing didn't break down the M751, M752 variations.

I am happy the M750 square tapers I have are legitimate as they seem to be very nice cranks.