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HS Chapter 84 Nuclear reactors, boilers, machinery and mechanical appliances

HS chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances) covers 495 product categories in U.S. import records, with 8,467,419 bill-of-lading shipments. The most imported headings are Air conditioning machines, comprising a motor-driven fan and elements for changing the temperature and humidity, including those machines in which the humidity cannot be separately regulated, Other lifting, handling, loading or unloading machinery (for example, elevators, escalators, conveyors, teleferics), and Machines and mechanical appliances having individual functions.

Sourced from U.S. Customs bill of lading data · Updated monthly · Data through May 2026 · Chapter → heading → product, drill in for importers and suppliers

Headings in this chapter

HSHeadingProductsShipments
8415Air conditioning machines, comprising a motor-driven fan and elements for changing the temperature and humidity, including those machines in which the humidity cannot be separately regulated6558,395
8428Other lifting, handling, loading or unloading machinery (for example, elevators, escalators, conveyors, teleferics)10508,160
8479Machines and mechanical appliances having individual functions10488,340
8418Refrigerators, freezers and other refrigerating or freezing equipment, electric or other10419,785
8423Weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight-operated counting or checking machines7380,671
8414Air or vacuum pumps, air or other gas compressors and fans9341,486
8481Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves6312,488
8483Transmission shafts (including camshafts and crankshafts) and cranks7307,202
8474Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form7304,808
8426Ships' derricks9254,872
8482Ball or roller bearings, and parts thereof8251,463
8419Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes11238,769
8413Pumps for liquids, whether or not fitted with a measuring device12216,244
8471Automatic data processing machines and units thereof8185,267
8421Centrifuges, including centrifugal dryers12177,783
8466Parts and accessories suitable for use solely or principally with the machines of headings 8456 to 8465, including work or tool holders, self-opening dieheads, dividing heads and other special attachments for the machines7172,108
8431Parts suitable for use solely or principally with the machinery of headings 8425 to 84308158,509
8448Auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for example, dobbies, Jacquards, automatic stop motions and shuttle changing mechanisms)11156,544
8422Dishwashing machines6134,903
8409Parts suitable for use solely or principally with the engines of heading 8407 or 84083131,000
8429Self-propelled bulldozers, angledozers, graders, levelers, scrapers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers7129,242
8412Other engines and motors, and parts thereof7124,159
8451Machinery (other than machines of heading 8450) for washing, cleaning, wringing, drying, ironing, pressing (including fusing presses), bleaching, dyeing, dressing, finishing, coating or impregnating textile yarns, fabrics or made up textile articles and machines for applying the paste to the base fabric or other support used in the manufacture of floor coverings such as linoleum8119,764
8453Machinery for preparing, tanning or working hides, skins or leather or for making or repairing footwear or other articles of hides, skins or leather, other than sewing machines3115,077
8467Tools for working in the hand, pneumatic, hydraulic or with self-contained electric or nonelectric motor, and parts thereof10111,394
8452Sewing machines, other than book-sewing machines of heading 84405101,858
8438Machinery, not specified or included elsewhere in this chapter, for the industrial preparation or manufacture of food or drink, other than machinery for the extraction or preparation of animal or fixed vegetable or microbial fats or oils898,556
8477Machinery for working rubber or plastics or for the manufacture of products from these materials890,825
8441Other machinery for making up paper pulp, paper or paperboard, including cutting machines of all kinds, and parts thereof688,959
8433Harvesting or threshing machinery, including straw or fodder balers1180,393
8465Machine tools (including machines for nailing, stapling, glueing or otherwise assembling) for working wood, cork, bone, hard rubber, hard plastics or similar hard materials980,010
8402Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam)478,873
8424Mechanical appliances (whether or not hand operated) for projecting, dispersing or spraying liquids or powders875,859
8454Converters, ladles, ingot molds and casting machines, of a kind used in metallurgy or in metal foundries, and parts thereof473,602
8435Presses, crushers and similar machinery, used in the manufacture of wine, cider, fruit juices or similar beverages273,062
8480Molding boxes for metal foundry972,143
8443Printing machinery used for printing by means of plates, cylinders and other printing components of heading 84421064,747
8427Fork-lift trucks361,175
8459Machine tools (including way-type unit head machines) for drilling, boring, milling, threading or tapping by removing metal, other than lathes (including turning centers) of heading 8458957,093
8425Pulley tackle and hoists other than skip hoists751,391
8473Parts and accessories (other than covers, carrying cases and the like) suitable for use solely or principally with machines of headings 8470 to 8472550,037
8411Turbojets, turbopropellers and other gas turbines, and parts thereof649,480
8457Machining centers, unit construction machines (single station) and multistation transfer machines, for working metal349,475
8436Other agricultural, horticultural, forestry, poultry-keeping or bee-keeping machinery, including germination plant fitted with mechanical or thermal equipment648,952
8439Machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard (other than the machinery of heading 8419)547,997
8432Agricultural, horticultural or forestry machinery for soil preparation or cultivation946,794
8455Metal-rolling mills and rolls therefor544,475
8472Other office machines (for example, hectograph or stencil duplicating machines, addressing machines, automatic banknote dispensers, coin-sorting machines, coin-counting or wrapping machines, pencil-sharpening machines, perforating or stapling machines)238,322
8440Bookbinding machinery, including book-sewing machines, and parts thereof236,805
8410Hydraulic turbines, water wheels and regulators therefor236,657
8434Milking machines and dairy machinery, and parts thereof336,267
8475Machines for assembling electric or electronic lamps, tubes or flashbulbs, in glass envelopes436,209
8450Household- or laundry-type washing machines, including machines which both wash and dry535,132
8458Lathes (including turning centers) for removing metal429,106
8462Machine tools (including presses) for working metal by forging, hammering or die forging (excluding rolling mills)1228,216
8407Spark-ignition reciprocating or rotary internal combustion piston engines825,841
8470Calculating machines and pocket-size data recording, reproducing and displaying machines with calculating functions525,761
8430Other moving, grading, leveling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores924,842
8447Knitting machines, stitch-bonding machines and machines for making gimped yarn, tulle, lace, embroidery, trimmings, braid or net and machines for tufting323,899
8406Steam turbines and other vapor turbines, and parts thereof422,623
8416Furnace burners for liquid fuel, for pulverized solid fuel or for gas421,848
8484Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal320,640
8408Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)318,851
8461Machine tools for planing, shaping, slotting, broaching, gear cutting, gear grinding or gear finishing, sawing, cutting-off and other machine tools working by removing metal or cermets416,995
8463Other machine tools for working metal or cermets, without removing material416,204
8468Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515415,805
8476Automatic goods-vending machines (for example, postage stamp, cigarette, food or beverage machines), including money-changing machines415,656
8449HS 8449115,497
8445Machines for preparing textile fibers714,085
8487Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and213,169
8464Machine tools for working stone, ceramics, concrete, asbestos-cement or like mineral materials or for cold working glass312,456
8442Machinery, apparatus and equipment (other than the machines of headings 8456 to 8465), for preparing or making plates, cylinders or other printing components311,951
8404Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers)310,998
8460Machine tools for deburring, sharpening, grinding, honing, lapping, polishing or otherwise finishing metal or cermets by means of grinding stones, abrasives or polishing products, other than gear cutting, gear grinding or gear finishing machines of heading 8461910,789
8417Industrial or laboratory furnaces and ovens, including incinerators, nonelectric, and parts thereof410,566
8456Machine tools for working any material by removal of material, by laser or other light or photon beam, ultrasonic, electro-discharge, electro-chemical, electron-beam, ionic-beam or plasma arc processes510,320
8437Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof39,747
8485Machines for additive manufacturing38,259
8403Central heating boilers (other than those of heading 8402) and parts thereof27,673
8405Producer gas or water gas generators, with or without their purifiers24,874
8486Machines and apparatus of a kind used solely or principally for the manufacture of semiconductor boules or wafers, semiconductor devices, electronic integrated circuits or flat panel displays43,717
8420Calendering or other rolling machines, other than for metals or glass, and cylinders therefor33,624
8444HS 844412,965
8478Machinery for preparing or making up tobacco22,760
8401Nuclear reactors22,208
8446Weaving machines (looms)31,893
HS Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances — U.S. Import Data | ImportDoor