34311120 - Compression-ignition engines

CPV code 34311120 in the EU Common Procurement Vocabulary refers to Compression-ignition engines. It sits at level 6 of the CPV hierarchy as a subcategory within the 34 division. This code is nested directly under 34311100, narrowing the broader category into the specific area of compression-ignition engines. As a leaf code, 34311120 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 compression-ignition engines. Contracting authorities across the EU use 34311120 in TED notices and national procurement portals to signal that a tender relates to compression-ignition engines.