This class includes: - manufacture of continuous-action elevators and conveyors for goods and materials, for underground use - manufacture of boring, cutting or sinking machinery for boring earth or extracting minerals or ores or of coal or rock cutters and tunnelling machinery - manufacture of machinery for treating minerals by screening, sorting, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form - manufacture of concrete and mortar mixers - manufacture of earth-moving machinery: • bulldozers, angle-dozers, graders, scrapers, levellers, mechanical shovels, shovel loaders etc. - manufacture of pile drivers and pile extractors, mortar spreaders, bitumen spreaders, concrete surfacing machinery etc. - manufacture of machines for mixing mineral substances with bitumen - manufacture of track laying excavators - manufacture of bulldozer and angle-dozer blades - manufacture of off-road dumping trucks - manufacture of snow-ploughs and snow-blowers
This class excludes: - manufacture of lifting and handling equipment, see 2816 - manufacture of other tractors, see 2821, 2910 - manufacture of machine tools for working stone, including machines for splitting or clearing stone, see 2822 - manufacture of concrete-mixer lorries, see 2920