Who else but PropX can offer the full range of sand transport, onsite storage and delivery options? X PropStack joins our suite of last mile services now ranging from dry sand to wet sand with Sand Scorpion® and PropStack. PropStack Components: * Belly Dump Truck Unloader * Pile Stacker Conveyor * Large Hopper * Front End Loader * Patented Integrated Metering System * Stay Tuned for Further Innovation Coming Soon! Contact: Sales@PropX.com