43123000 - Tunnelling machinery

CPV code 43123000 in the EU Common Procurement Vocabulary refers to Tunnelling machinery. It sits at level 4 of the CPV hierarchy as a category within the 43 division. This code is nested directly under 43120000, narrowing the broader category into the specific area of tunnelling machinery. As a leaf code, 43123000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns tunnelling machinery. Contracting authorities across the EU use 43123000 in TED notices and national procurement portals to signal that a tender relates to tunnelling machinery.