Pallet jacks rely on four wheels to transport materials and are polyurethane, nylon, or rubber in composition. Smaller wheels recess into the jack's forks for loading (called load wheels) and ...

The forks can be raised or lowered to different heights depending on the load and the storage location. The wheels of the pallet jack enable it to move smoothly across the warehouse floor.

A pallet jack typically consists of a wheeled platform with forks that slide under pallets. The forks are hydraulically operated, allowing the user to lift the load off the ground by pumping a handle.