Agreed - but more than that we need an Alco DH-643 C-C diesel-hydraulic that did what the Krauss-Maffei hydraulics couldn't. Nickname: "Alcohaulic".
==========
"A Propane Turbine or Veranda Chassis will work for the drive train."
I would hope so, since the scrapped Turbines were indeed the source of the running gear for these C-855's, as well as the GE U-50's. Use that, and you'd be accurate without even trying.