Yes that would of been fun, The old 150hp MB Trac Mercedes 4x4 tractor I use to drive had the gear box then a short shaft to the tranfurcase and I was told the Unmog was the same, so he could put any gearbox like a road ranger or Spicier or a Allison Auto that bolted up to the Mec motor that had a top gear faster, The old LJ 50 Suzuki was the same, Craig