Thrust/Travel Controls

Those controls that control the advance and retraction of the tool.

Tile (VT)

Used to describe products (sewer pipe and block) manufactured from fired hydrous alumina silicate clay.

Tool Diameter (d)

Maximum diameter of tool body.

Tool Length

Distance between tip and end of tool, not including whip hose.

Tooling

Ground-engaging elements of the cutter wheel designed to excavate and penetrate the ground.