rear end switch

hey guys i want to put engine trans and rear end from a 59 long bed to a 52 short bed what am i going to run into besides having driveshaft made up thanks for any ideas :

 

should all be the same just different drivelines are they both 1/2 ton? 3/4? need a little more info

 

yes they are both 1/2 ton thanks i am parting out the 59

 

hmm parting out what all do you have