The BYR Series Steel Yard Ramp enables workers to load and unload trucks, trailers, and rail cars from ground level at buildings that don't have a freight dock. This Mobile Yard Ramp unit is operated with a 2-speed hand crank. These models feature 9" steel wheels, 4" high safety curbs, positive traction open steel grating, a 15" overlap lip, rubber bumpers, and safety locking chains.