These Bag Stacking Conveyors are utilized where there is zero dock leveler office, i.e, when customers are stacking or emptying from back trailer or holder down to base level and the other way around. These conveyors are well known for stacking and emptying holders and vehicles since they are compact and module for moment drive. Discretionary connection of Bag Stacking Conveyor either controlled or gravity is conceivable to venture in the back of container or vehicle.