The American Underslung 646 Touring is a tourer with 4 doors and a front mounted powerplant which transmits its power to the rear wheels.
It is powered by a naturally aspirated engine of 7.7 litre capacity. This unit features side valve valve gear, 6 cylinder layout, and 2 valves per cylinder.
The power is transferred to the wheels via a 4 speed manual gearbox.
Full specs