# Assembly (technology)

internal name `automation-3` · tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/tech/automation-3/

## Cost

1400 units of (1 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 2 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 3 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 6 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 90 s each.

## Requires (2)

- [Bulk inserter](https://factorio.kalzumeus.com/tech/bulk-inserter.md)
- [Machine Components - Stage 2](https://factorio.kalzumeus.com/tech/machine-components-mk02.md)

## Leads to (0)

- none

## Unlocks (1 recipes)

### Burner assembling machine MK 03 (`assembling-machine-3`)

- 3 s · tier 4
- Ingredients: 2 × [Bulk inserter](https://factorio.kalzumeus.com/item/bulk-inserter.md), 2 × [Burner assembling machine MK 02](https://factorio.kalzumeus.com/item/assembling-machine-2.md), 10 × [Stainless steel](https://factorio.kalzumeus.com/item/stainless-steel.md), 5 × [Mechanical Parts 02](https://factorio.kalzumeus.com/item/mechanical-parts-02.md)
- Results: 1 × [Burner assembling machine MK 03](https://factorio.kalzumeus.com/item/assembling-machine-3.md)
- Made in: Burner assembling machine MK 01, Burner assembling machine MK 02, Burner assembling machine MK 03, Automated factory MK 01, Automated factory MK 02, Automated factory MK 03, Automated factory MK 04, Character, Character (flying), Mutagenic infusion,  (flying)
- Unlocked by: [Assembly](https://factorio.kalzumeus.com/tech/automation-3.md)