My 59 Burb had a Dana 45 as original equipment. If you find someone looking to do a showroom-original restoration that would be the part they need, but as I found out when the pinion bearings failed and ruined the gears, it's an oddball where parts are concerned. Type 44 parts definitely DO NOT interchange!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!