Stack inserter

Stack inserter/infobox

The Stack inserter is an electric inserter that can move more items at the same time. It was introduced in game version 0.13, replacing the Smart inserter that had been made unnecessary by changes to circuit and logistics functionality.

Moving at the speed of the Fast inserter, it transfers multiple items per cycle to give it a material flow advantage at the cost of additional power consumption. When transferring between chests or cargo wagons it picks up and drops off the entire stack of items instantly. When picking up from or dropping off items onto a Transport belt a stack inserter needs to grab or drop each item individually, increasing the time between arm swings and lowering its potential throughput. In these cases, however, the stack inserter still has higher throughput than a fast inserter because it swings back and forth less often. A fully upgrade stack inserter will move up to 766 items per minute. With the maximal throughput of an express belt at 2400 items/min this means that three inserters will (almost) saturate a single express belt.

Stack size

The stack size is increased by the Inserter item stack size bonus technology. In 0.15, the stack size can be overridden to set how many items it picks up at one time. However, you cannot raise the stack size above the highest research level currently unlocked.

Inserter capacity bonus	Stack size bonus	Total stack size
none	0	2
1	+1	3
2	+1	4
3	+1	5
4	+1	6
5	+2	8
6	+2	10
7	+2	12

History

• 0.15.0:
  • Added stack inserter override feature.

• 0.13.7:
  • Updated stack inserter tech icon.

• 0.13.6:
  • Now unlocked by their own research.

• 0.13.0:
  • Introduced

See also

• Stack filter inserter
• Transport network
• Electric network
• Inserters