Unless you have some experience with them and a special love for them...why bother with such an oddball?

Continental Multifuel LDT 465 1D engine woes - Page 2 - Diesel Forum - TheDieselStop.com

More info than you can shake a stick at:

TM's for the Deuce - Steel Soldiers::Military Vehicles Supersite

I remember someone saying mean things about them, don't know why....

48 to 50+ inches long:

Data Application

vs. 40" for the Cummins:

what are the dimensions of 6bt cummins - TheDieselGarage.com

There ain't much foot room in those to begin with, and I don't think you want it sticking out the front....you could put a propeller on it I suppose...