Karosa ŠM 16,5 is completely different from its predecessor, Škoda 706 RTO-K, which had engine in the front.
The ŠM 16,5 is a model of Karosa Š series.
Body is semi-self-supporting with frame and engine with automatic gearbox in the middle, between the wheels.
Driver's cab is not separated from the rest of the vehicle.
Later production was halted because of a decision to import Ikarus 280 buses.