Push Back
A Push Back Racking System is a high-density pallet storage solution designed to maximize warehouse space by storing pallets on a series of nested carts that move along inclined rails.
A Push Back Racking System is a high-density pallet storage solution designed to maximize warehouse space by storing pallets on a series of nested carts that move along inclined rails. Unlike selective pallet racking, this system allows pallets to be stored 2 to 6 deep, reducing aisle requirements and significantly increasing storage capacity. Each new pallet pushed into the system moves the previous pallet backward. When a pallet is removed, the remaining pallets automatically roll forward using gravity for easy access.
How Does Push Back Racking Work?
Push back racking operates on a Last-In, First-Out (LIFO) inventory method. A pallet is first loaded onto a cart at the front position, and each additional pallet placed on the system pushes the previous one backward along wheeled carts. This allows multiple pallets to be stored in depth within the same lane. When unloading, the pallets automatically move forward by gravity, bringing the next pallet into position for easy access. This design eliminates the need for forklifts to enter the rack structure, significantly improving both safety and operational efficiency.
Common Applications & Uses
- Warehouses with limited space but high SKU volume.
- Distribution centers handling medium-turn inventory.
- Cold storage facilities (reduces aisle space = energy savings).
- Manufacturing and logistics operations
- Bulk storage of similar products.
Push Back Racking vs Selective Racking
| FEATURE | PUSH BACK RACKING | SELECTIVE RACKING |
|---|---|---|
|
Storage Density |
High (multiple pallets in depth) |
Low (one pallet per position) |
|
Space Utilization |
Maximizes available space |
Requires more aisles |
|
Accessibility |
LIFO (Last-In, First-Out) |
FIFO (flexible access to all pallets) |
|
Forklift Operation |
Operates from aisle only |
Forklifts enter aisles frequently |
|
Efficiency |
Faster loading/unloading |
Slower compared to push back |
|
Safety |
Higher (less rack impact risk) |
Moderate (more forklift traffic inside aisles) |
|
Ideal Use |
Medium SKU, high volume per SKU |
High SKU variety, low volume per SKU |
|
Installation Cost |
Higher initial investment |
Lower initial cost |
|
Return on Investment |
Higher long-term efficiency |
Lower compared to push back |
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While selective racking offers direct access to every pallet, push back racking provides a high-density solution that significantly increases storage capacity, improves efficiency, and reduces operational costs.
