how to figure out what of turbo i have

[1992F-250IDI]

i got this older turbo from a friend for free no shaft play spins fine it has (d 1.34) u.s. p.a.t no.3292364 (3.383.092)
could any one tell me what its from or who made it

 

[towcat]

post as many pics of it and you'll get a lighting fast response.