Technical Help Identify Rear Differential

Hi. New to this site so hope doing it right. Appreciate any help identifying my rear end to do brakes, replace broken bolt, etc. Thank you.

 

Dana 44?????.....

 

Looks like Dana 44 to me also.

 

it says 44 right on it....on the right side web below where the tube enters the casting.

 

Thanks guys! Good eye couldn’t make it out through al the grease and paint. Believe 1955-'56 Ford Thunderbird

Auto parts places I’ve asked only know “what’s make, model, year?” lol.