Loop vs Linear Cross-Belt Sorter: Which to Choose

Both use the same individually driven trolley belts —but loop and linear sorters solve different problems. Choosing the wrong one costs floor space, money or both.

Loop cross-belt sorter: maximum destinations, minimum floor

In a loop sorter, trolleys travel a closed ring and discharge to chutes on both sides. This architecture packs the most destinations per square meter and reaches 8,000–10,000+ pcs/h. It is the default for high-throughput express hubs and large cross-border operations. Twin-ring systems exceed 1,800 exits.

Linear cross-belt sorter: retrofit-friendly, simpler layout

The linear (straight-line) sorter runs one direction along a corridor. It needs minimal civil work, splices into existing conveyor networks and costs less at 2,000–6,000 pcs/h. It is the practical choice when you cannot rebuild the warehouse or your destination count is modest.

Quick comparison

→Throughput: loop 8,000–10,000+ pcs/h vs linear 2,000–6,000 pcs/h
→Destinations: loop up to 1,800+ chutes vs linear up to ~200
→Footprint: loop is compact per exit; linear fits long corridors
→Best for: loop = high-volume hubs; linear = retrofits and mid-volume DCs

Common questions

What is the main difference between loop and linear sorters?

A loop sorter is a closed circular ring discharging chutes on both sides, optimized for maximum destinations and high throughput. A linear sorter runs in a straight line, is cheaper and easier to retrofit into existing conveyor corridors at lower throughput.

When should I choose a loop cross-belt sorter?

Choose a loop when you need 8,000+ pcs/h, hundreds of destinations, and want the most sorting capacity per square meter —typical for express hubs and large e-commerce or cross-border operations.

When should I choose a linear sorter?

Choose linear for mid-volume operations (2,000–6,000 pcs/h), modest destination counts, and especially when retrofitting an existing building where you cannot add a circular machine.

Is a linear sorter cheaper than a loop?

Yes, typically. Linear systems have a shorter track, simpler mechanical build and lower installation cost, but they scale less —once throughput or destinations exceed their range, a loop becomes the better long-term investment.

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Loop vs linear cross-belt sorter: which architecture fits your warehouse?