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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 496 product categories in U.S. import records, with 8,594,667 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 July 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 regulated6558,631
8428Other lifting, handling, loading or unloading machinery (for example, elevators, escalators, conveyors, teleferics)10515,079
8479Machines and mechanical appliances having individual functions10493,166
8418Refrigerators, freezers and other refrigerating or freezing equipment, electric or other10420,645
8423Weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight-operated counting or checking machines7383,200
8414Air or vacuum pumps, air or other gas compressors and fans9344,422
8483Transmission shafts (including camshafts and crankshafts) and cranks7312,926
8481Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves6312,383
8474Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form7311,119
8426Ships' derricks9298,420
8482Ball or roller bearings, and parts thereof8254,527
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 purposes11240,089
8413Pumps for liquids, whether or not fitted with a measuring device12223,205
8471Automatic data processing machines and units thereof8186,736
8421Centrifuges, including centrifugal dryers12179,195
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 machines7175,509
8431Parts suitable for use solely or principally with the machinery of headings 8425 to 84308159,323
8448Auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for example, dobbies, Jacquards, automatic stop motions and shuttle changing mechanisms)11157,963
8422Dishwashing machines6134,519
8409Parts suitable for use solely or principally with the engines of heading 8407 or 84083131,158
8429Self-propelled bulldozers, angledozers, graders, levelers, scrapers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers7130,852
8412Other engines and motors, and parts thereof7125,968
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 linoleum8122,467
8467Tools for working in the hand, pneumatic, hydraulic or with self-contained electric or nonelectric motor, and parts thereof10113,979
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 machines3113,952
8452Sewing machines, other than book-sewing machines of heading 84405102,752
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 oils898,337
8477Machinery for working rubber or plastics or for the manufacture of products from these materials891,534
8441Other machinery for making up paper pulp, paper or paperboard, including cutting machines of all kinds, and parts thereof689,629
8433Harvesting or threshing machinery, including straw or fodder balers1182,291
8465Machine tools (including machines for nailing, stapling, glueing or otherwise assembling) for working wood, cork, bone, hard rubber, hard plastics or similar hard materials981,228
8402Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam)480,011
8480Molding boxes for metal foundry976,815
8424Mechanical appliances (whether or not hand operated) for projecting, dispersing or spraying liquids or powders875,985
8454Converters, ladles, ingot molds and casting machines, of a kind used in metallurgy or in metal foundries, and parts thereof473,582
8435Presses, crushers and similar machinery, used in the manufacture of wine, cider, fruit juices or similar beverages273,001
8443Printing machinery used for printing by means of plates, cylinders and other printing components of heading 84421064,803
8427Fork-lift trucks361,149
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 8458957,586
8425Pulley tackle and hoists other than skip hoists751,256
8473Parts and accessories (other than covers, carrying cases and the like) suitable for use solely or principally with machines of headings 8470 to 8472550,296
8436Other agricultural, horticultural, forestry, poultry-keeping or bee-keeping machinery, including germination plant fitted with mechanical or thermal equipment649,589
8455Metal-rolling mills and rolls therefor549,448
8457Machining centers, unit construction machines (single station) and multistation transfer machines, for working metal349,300
8411Turbojets, turbopropellers and other gas turbines, and parts thereof649,083
8432Agricultural, horticultural or forestry machinery for soil preparation or cultivation948,285
8439Machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard (other than the machinery of heading 8419)547,975
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)238,422
8440Bookbinding machinery, including book-sewing machines, and parts thereof237,887
8410Hydraulic turbines, water wheels and regulators therefor236,942
8475Machines for assembling electric or electronic lamps, tubes or flashbulbs, in glass envelopes436,051
8434Milking machines and dairy machinery, and parts thereof335,983
8450Household- or laundry-type washing machines, including machines which both wash and dry535,741
8462Machine tools (including presses) for working metal by forging, hammering or die forging (excluding rolling mills)1230,568
8458Lathes (including turning centers) for removing metal429,833
8470Calculating machines and pocket-size data recording, reproducing and displaying machines with calculating functions526,626
8407Spark-ignition reciprocating or rotary internal combustion piston engines826,173
8430Other moving, grading, leveling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores924,919
8447Knitting machines, stitch-bonding machines and machines for making gimped yarn, tulle, lace, embroidery, trimmings, braid or net and machines for tufting324,381
8406Steam turbines and other vapor turbines, and parts thereof422,903
8416Furnace burners for liquid fuel, for pulverized solid fuel or for gas421,850
8484Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal320,665
8408Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)318,697
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 cermets416,958
8463Other machine tools for working metal or cermets, without removing material416,286
8476Automatic goods-vending machines (for example, postage stamp, cigarette, food or beverage machines), including money-changing machines415,735
8468Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515415,730
8449HS 8449115,435
8445Machines for preparing textile fibers714,182
8487Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and213,054
8464Machine tools for working stone, ceramics, concrete, asbestos-cement or like mineral materials or for cold working glass312,907
8442Machinery, apparatus and equipment (other than the machines of headings 8456 to 8465), for preparing or making plates, cylinders or other printing components311,902
8404Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers)311,095
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 8461911,072
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 processes510,712
8417Industrial or laboratory furnaces and ovens, including incinerators, nonelectric, and parts thereof410,471
8437Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof39,795
8485Machines for additive manufacturing37,877
8403Central heating boilers (other than those of heading 8402) and parts thereof27,597
8405Producer gas or water gas generators, with or without their purifiers24,837
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 displays43,751
8444HS 844413,636
8420Calendering or other rolling machines, other than for metals or glass, and cylinders therefor33,620
8478Machinery for preparing or making up tobacco22,748
8401Nuclear reactors32,335
8446Weaving machines (looms)31,923
HS Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances — U.S. Import Data | ImportDoor