Automated Storage & Retrieval System (AS/RS) * Unit Load Automated Storage & Retrieval System


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Unit Load Automated Storage & Retrieval System

Product Description:

Daifuku North America's unit load is a high-density pallet buffer designed to maximize vertical storage space while maintaining a compact footprint. Several models are available to handle pallet loads from 1,100 to 6,600 lbs. (500 to 3,000 kg) and rack heights up to 118 feet (36m). The unit load can also be used to store long or bulky items, hazardous materials, frozen items (to -40 degrees C/-40 degrees F) and low-noise applications. In addition to a standard unit load, Daifuku North America also offers double-deep rack configuration.


  • Quiet operation
  • Regained floor space
  • Increased productivity
  • Reduction in spoilage/damage
  • Inventory accuracy and control
  • Simple operation and maintenance
  • Modular design allows for easy expansion
  • High-speed stable storage/retrieval operation
  • Embedded point-of use for assembly or kitting operations
  • Replacing conventional static rack or narrow aisle rack
  • Bulk buffering and storage of raw material and/or finished goods
  • Work-in-process buffering (temporary storing) for large items


The availability of overhead space in the facility determines rack height. Aisle length and the number of aisles are based on available floor space. Load size and required throughput affects the speed and is considered to determine system configuration of a single or dual shuttle and single or double-deep storage. The specs below apply to standard applications. Equipment modifications may be available to better suit your company’s needs.

  • Standard load weight capacity: 500-3,000 kg (1,100-6,600 lbs.)
  • Standard S/R machine height: 3-26 m (10-118 ft.)
  • Standard horizontal speed: 63-250 m/min. (207-820 ft./min.)
  • Standard vertical speed: 10-100 m/min. (33- 328 ft./min.)
  • Standard shuttle speed: 20-80 m/min. (66-262 ft./min.)
  • Standard load footprint: 850-2600 mm x 850-2000 mm (33.5-102 in. x 33.5-78.8 in)