UPDATE: Still was is still for sale.
https://dallas.craigslist.org/dal/cto/d/40s-ford-gpw-rail-road-jeep/6520264044.html
“Found this in a old barn it’s a old Military Rail Road jeep real neet looking a jeep with a flat bedand still a 4×4 still have the original rail wheels on it the jeep is all there the way the military had it , I have not had the time to mess with it yet they year i was told 1941 to 1943 i do not know exactly , I have looked to find another one up for sale but i have not been able to find any ,I have found info on it about the military having them made and showed pics of them and it looks just like the old pics of them back in the 40s ,We are putting it up for sale for $4500″