The 95, 96 models have 2wd,4Auto, 4Lo.
The 97+ models are 4Auto, 4Hi, 4Lo.
Also on the 95,96 models, they have a vacuum engaged front axle where as the 97+ models the front axles are engaged from the Transferrcase.
The 95-97 models share the same frame, which is different than the 98+ models. This has to do with the rear torsion bar brackets.