Tunnel Bore

The Tunnel Bore is used to mine a 3x3 tunnel, laying tracks down as it goes.

The Tunnel Bore will continue to function as long as it has a Bore Head attached, as well as an adequate supply of Fuel, Tracks, and ballast material. Whenever it encounters a hole in its path that is 10 blocks or less deep, it will attempt to fill up the hole using the ballast material. Only certain blocks such as Sand or Gravel can be used as ballast material.

There are serveral reasons why the Tunnel Bore would stop, such as running out of any supplies, or encountering lava, water, a hole too deep to fill, or a block it can't mine. Any mobs or players that get in front of the Tunnel Bore while its running will get hurt.

Crafting Recipe:

Block of Steel Minecraft Block of Steel Crafting Arrow Tunnel Bore
Furnace Minecraft Furnace
Minecart with Chest

The Tunnel Bore needs a Bore Head to function. All Bore Heads can be repaired using the Vanilla Minecraft repair system.

Bore Heads can also be enchanted with Efficiency, Unbreaking, and Fortune.

Bronze Bore Head

Steel Ingot Steel Ingot Steel Ingot Crafting Arrow Bronze Bore Head
Steel Ingot Block of Bronze Steel Ingot
Steel Ingot Steel Ingot Steel Ingot

This one lasts for 1200 blocks, but cannot mine Obsidian.

Iron Bore Head

Steel Ingot Steel Ingot Steel Ingot Crafting Arrow Iron Bore Head
Steel Ingot Block of Iron Steel Ingot
Steel Ingot Steel Ingot Steel Ingot

This one lasts for 1500 blocks, but cannot mine Obsidian.

Steel Bore Head

Steel Ingot Steel Ingot Steel Ingot Crafting Arrow Steel Bore Head
Steel Ingot Block of Steel Steel Ingot
Steel Ingot Steel Ingot Steel Ingot

This Bore Head can mine 3000 blocks, but cannot mine Obsidian.

Diamond Bore Head

Steel Ingot Steel Ingot Steel Ingot Crafting Arrow Diamond Bore Head
Steel Ingot Block of Diamond Steel Ingot
Steel Ingot Steel Ingot Steel Ingot

This is the strongest Bore Head and lasts for 6000 blocks.