Yes, you can safely switch from 2H to 4WD when driving at speeds below 60mph. 

When switching from 4H to 4Lo, the vehicle must be decelerated to 8 km / h 

without depressing the accelerator pedal and without setting the transmission to (N) neutral.

The Ram 1500 easily wins this competition. 

And it's not even the last modified truck.

 This award will

 be given to the 2022

Toyota Tundra.