Archive Entry

Sequential Fixed Sorter (also known as an SSU)

SSUsequential-shulker-unloadersSSU001Updated Jan 14, 2026Archived Jan 14, 2026

✅Functional⭐Recommended

Authors:

heilzmaker

pfeffabeissa

Endorsed by:

Andrews54757

1 / 2

This device, commonly known as a Sequential Shulker UnloaderDefinition: A sequential shulker unloader is a device which takes out items of a specific type out of a mixed box, and then breaks the box when it runs out of that item type. SSU's work by putting a shulker bo..., will unload items of a certain type out of mixed boxes directly, load the item into single-type shulker boxes, and then output the remaining mixed boxDefinition: A shulker box with multiple item types. to the next sliceDefinition: A repeatable ( Preferably tileable ) component within a system. for further processing. This design is tileable so that you can extract multiple item types from boxes sequentially.

Features

HopperspeedDefinition: Refers to the speed at which items are processed in a hopper (1 item every 8gt, or 2.5 items per second). Usually written as an integer (e.g. '3x hopper speed'). ## Common hopperspeeds 1x: 9000 ite... unloading of specified item type out of mixed boxes
Built in box loaderDefinition: A contraption that fills a shulkerbox with items and then breaks the shulkerbox., outputs single type shulker boxes
2wtDefinition: Annotates the width of a slice, and whether or not you can build them right next to each other. There are systems that are 1 wide, but you can't put 2 next to each other due to Crosstalk, so they d... small design

Considerations

Box loader is not perfectly reliable, can lose one box out of ~50 million. Precision loading variant available with reliable collection, but more difficult to build and setup.

Instructions

Tile the slice as many times as the number of item types you want to extract
Setup item filters in each slice
Input mixed shulker boxes into a hopper feeding the unloaderDefinition: A contraption that removes item contents from a shulkerbox. box dispenser
Make sure that empty boxes are supplied continuously to the box loader

Compatibility

1.13+ and 1.11+ compatible schematicDefinition: Typically a .litematic file or a .schematic file in older versions or with different mods than litematica. It is a blueprint that tells you how to build redstone builds, tells you what materials yo...s available.