I'm looking at picking up an 86, power ram d50 4x4 for dirt cheap. My concern is, when I put it into any gear it won't move except 4th. All other gears are like gone, or not engaging. Wit it going into 4the and engaging, it shouldn't be the clutch, nonreverse, 1,2,3,5 or Reverse. Am I looking at a rebuild? Are parts available and of so, where from? Anyone have this issue before? Thanks everyone