Mini-Load AS/RS for Totes & Cartons
A dense automated storage system that uses a crane or shuttle per aisle to store and retrieve small loads — totes, cases, and trays — and deliver them to a pick station.
When it fits
- Small-parts and each-pick operations with large SKU counts and many totes
- Operations wanting maximum density for lightweight goods (actual weight envelopes are site-specific — scoped on quote)
- Facilities needing fast, accurate goods-to-person delivery of small items in a compact footprint
When it does not
- Palletized bulk (unit-load AS/RS or shuttle territory)
- Smaller catalogs where a compact vertical buffer module is often the better first step
- Loads outside the tote/case/tray envelope
How it pairs with equipment
- Mini-load feeds ergonomic pick stations at aisle ends; it commonly interconnects to conveyor and AMRs to move totes onward.
- Inbound replenishment and outbound totes still involve conventional handling at the interfaces — where the dealer relationship lives.
- Pairs with pick-to-light and workstation ergonomics for downstream each-picking.
Plan the supporting racking
Uses dedicated single- or double-deep mini-load rack served by a crane or shuttle; interfaces with carton-flow pick faces at the workstation end.
Racking & warehouse design →Considerations for your site
For SoCal e-commerce, parts, and 3PL operations with deep small-parts catalogs, mini-load reclaims vertical space that is expensive at grade. Confirm seismic engineering and, for tall combustible storage, Fire Code Chapter 32 review with the local AHJ.
Related systems
FAQ
What is a mini-load AS/RS?
A mini-load AS/RS is an automated storage and retrieval system for small loads — totes, cases, and trays — rather than pallets. A crane or shuttle dedicated to each dense rack aisle stores and retrieves containers and delivers them to an operator at an end-of-aisle workstation, maximizing density and pick accuracy for small parts.
When should a warehouse consider a mini-load AS/RS?
Consider one when you handle a large number of small-parts SKUs and totes and need dense storage plus fast goods-to-person picking. Industry guidance often points to very large tote/SKU counts; for smaller catalogs, a compact vertical buffer module may make more sense first. Thresholds and rates are site-specific — scoped on quote.
How does a mini-load compare to a full unit-load AS/RS?
Both automate storage and retrieval, but mini-load handles lightweight totes and cases with lighter, faster mechanisms, while unit-load handles full pallets with large cranes. Small-parts and each-picking point to mini-load; palletized bulk points to unit-load.
Evaluate mini loads for your building
Tell us about your building and material flow. We can review system options with integration partners; performance and return depend on your site.