Push back rack (also known as pushback racking) is a pallet storage system that lets you to store pallets from 2 to 6 deep on both faces of an aisle. This high density storage can help you squeeze even more capacity from your warehouse space while maximizing efficiency.
Pushback rack storage lanes are set up with gradually sloping rails and a series of interlocking carts that sit on top of them. When a front pallet is unloaded, gravity pulls the next pallet down toward to the pick face.