Profile: Stewart Engineering & Sales Co. designs cranes and beam rollover. Our cranes are engineered cranes. Our beam rollover is available in 5 ton to 40 ton capacities. The capabilities of our beam rollover include rolling tapered beams, curved beams and other odd weldments. We provide adjustable torque magnetic disc brake for smooth controlled stops, two reduction helical gears in oil bath cast iron gear case and spring loaded 12″ diameter drive tire.