Exceptional force traction, even when maneuvering with heavy loads. Less costs than a locomotive. Maximum flexibility to be able to circulate both on the road and on rails, without concessions of any kind. This is the bivial Unimog. A concept full of possibilities that continues to count successes every day around the world. No other vehicle is as suitable for bivial service as the Unimog.stem enables the vehicle to kneel on both sides to facilitate the access of passengers.