What is the maximum speed of truck mercedes benz diesel 1112 120 hp 1965

road speed?
flat, uphill or down hill?
what load is on the truck.?
d-400 is 1-1/2ton truck
Max GVW: 14,000lbs that huge truck had 318 gas engine only.
did someone put in the
Cummins V6 engines 354ci six cylinder Perkins Diesel engine. back then vast choices of engine /transmissions were offered
and all are rare.
most of these back then, me on the road too a loaded truck was going 40 to 50 mph; under even small hills.
the speed would be limited to max diesel RPM. then.
I drove dump truck then and 15 speeds, 3x5 boxes.(crash box)_

Top speed:
106 km/h / 66 mph
(theor. without speed governor)

Best I could do.

https://en.wikipedia.org/wiki/List_of_Mercedes-Benz_trucks

https://www.quora.com/What-is-the-maximum-speed-on-a-1965-Dodge-D-500-diesel

Remember that trucks cane with a governor to limit speed.

https://www.quora.com/Which-is-the-approximate-maximum-speed-of-the-Ford-truck-F600-V8-of-the-year-1965

Mercedes Benz 190 SL

http://www.automobile-catalog.com/competition/1952/1459535/mercedes-benz_220_tourer.html

About 90 km/h