The front axle should be a Dana 44, the rear axle is probably a mopar 9 1/4 but could also be a 8 3/4 inch unit. If you have a removable cover on the back of the pumpkin its a 9 1/4, if it has a removable unit on the front side, it s an 8 3/4. Your transfer case should be a NP203 full time unit.
Chris
Chris