I did this to my Nissan Pickup, the speedo and shifter were "different" i just swapped my old stuff onto the new transmission and away I went.I have limited experience.
See if it is a older design motor/trans/bodystyle.
See what all trans will bolt up or be adapted.
Check your electronics to see if they are good and what model trans fit or could be adapted.
I would think that would narrow down the options.