HTS codes for machinery and mechanical appliances

Headings in Chapter 84

• 8401Nuclear reactors; fuel elements (cartridges), non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts thereof4
• 8402Steam or other vapor generating boilers (other than central heating hot water boilers capable also of producing low pressure steam); super-heated water boilers; parts thereof6
• 8403Central heating boilers (other than those of heading 8402) and parts thereof2
• 8404Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economizers, super-heaters, soot removers, gas recoverers); condensers for steam or other vapor power units; parts thereof4
• 8405Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers; parts thereof2
• 8406Steam turbines and other vapor turbines, and parts thereof19
• 8407Spark-ignition reciprocating or rotary internal combustion piston engines47
• 8408Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)17
• 8409Parts suitable for use solely or principally with the engines of heading 8407 or 840822
• 8410Hydraulic turbines, water wheels and regulators therefor; parts thereof4
• 8411Turbojets, turbopropellers and other gas turbines, and parts thereof27
• 8412Other engines and motors, and parts thereof28
• 8413Pumps for liquids, whether or not fitted with a measuring device; liquid elevators; part thereof41
• 8414Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters; gas-tight biological safety cabinets, whether or not fitted with filters; parts thereof57
• 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 regulated; parts thereof30
• 8416Furnace burners for liquid fuel, for pulverized solid fuel or for gas; mechanical stokers, including their mechanical grates, mechanical ash dischargers and similar appliances; parts thereof5
• 8417Industrial or laboratory furnaces and ovens, including incinerators, nonelectric, and parts thereof4
• 8418Refrigerators, freezers and other refrigerating or freezing equipment, electric or other; heat pumps, other than the air conditioning machines of heading 8415; parts thereof36
• 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 purposes; instantaneous or storage water heaters, nonelectric; parts thereof38
• 8420Calendering or other rolling machines, other than for metals or glass, and cylinders therefor; parts thereof10
• 8421Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof24
• 8422Dishwashing machines; machinery for cleaning or drying bottles or other containers; machinery for filling, closing, sealing or labeling bottles, cans, boxes, bags or other containers; machinery for capsuling bottles, jars, tubes and similar containers; other packing or wrapping machinery (including heat-shrink wrapping machinery); machinery for aerating beverages; parts thereof33
• 8423Weighing machinery (excluding balances of a sensitivity of 5 cg or better), including weight-operated counting or checking machines; weighing machine weights of all kinds; parts of weighing machinery17
• 8424Mechanical appliances (whether or not hand operated) for projecting, dispersing or spraying liquids or powders; fire extinguishers, whether or not charged; spray guns and similar appliances; steam or sand blasting machines and similar jet projecting machines; parts thereof18
• 8425Pulley tackle and hoists other than skip hoists; winches and capstans; jacks7
• 8426Ships' derricks; cranes, including cable cranes; mobile lifting frames, straddle carriers and works trucks fitted with a crane12
• 8427Fork-lift trucks; other works trucks fitted with lifting or handling equipment12
• 8428Other lifting, handling, loading or unloading machinery (for example, elevators, escalators, conveyors, teleferics)12
• 8429Self-propelled bulldozers, angledozers, graders, levelers, scrapers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers42
• 8430Other moving, grading, leveling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores; pile-drivers and pile-extractors; snowplows and snowblowers19
• 8431Parts suitable for use solely or principally with the machinery of headings 8425 to 843044
• 8432Agricultural, horticultural or forestry machinery for soil preparation or cultivation; lawn or sports ground rollers; parts thereof22
• 8433Harvesting or threshing machinery, including straw or fodder balers; grass or hay mowers; machines for cleaning, sorting or grading eggs, fruit or other agricultural produce, other than machinery of heading 8437; parts thereof31
• 8434Milking machines and dairy machinery, and parts thereof3
• 8435Presses, crushers and similar machinery, used in the manufacture of wine, cider, fruit juices or similar beverages; parts thereof2
• 8436Other agricultural, horticultural, forestry, poultry-keeping or bee-keeping machinery, including germination plant fitted with mechanical or thermal equipment; poultry incubators and brooders; parts thereof16
• 8437Machines for cleaning, sorting or grading seed, grain or dried leguminous vegetables, and parts thereof; machinery used in the milling industry or for the working of cereals or dried leguminous vegetables, other than farm type machinery; parts thereof5
• 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 oils; parts thereof14
• 8439Machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard (other than the machinery of heading 8419); parts thereof9
• 8440Bookbinding machinery, including book-sewing machines, and parts thereof2
• 8441Other machinery for making up paper pulp, paper or paperboard, including cutting machines of all kinds, and parts thereof6
• 8442Machinery, apparatus and equipment (other than the machines of headings 8456 to 8465), for preparing or making plates, cylinders or other printing components; plates, cylinders and other printing components; plates, cylinders and lithographic stones, prepared for printing purposes (for example, planed, grained or polished); parts thereof5
• 8443Printing machinery used for printing by means of plates, cylinders and other printing components of heading 8442; other printers, copying machines and facsimile machines, whether or not combined; parts and accessories thereof43
• 8444Machines for extruding, drawing, texturing or cutting man-made textile materials2
• 8445Machines for preparing textile fibers; spinning, doubling or twisting machines and other machinery for producing textile yarns; textile reeling or winding (including weft winding) machines and machines for preparing textile yarns for use on the machines of heading 8446 or 844710
• 8446Weaving machines (looms)11
• 8447Knitting machines, stitch-bonding machines and machines for making gimped yarn, tulle, lace, embroidery, trimmings, braid or net and machines for tufting15
• 8448Auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for example, dobbies, Jacquards, automatic stop motions and shuttle changing mechanisms); parts and accessories suitable for use solely or principally with the machines of this heading or of heading 8444, 8445, 8446 or 8447 (for example, spindles and spindle flyers, card clothing, combs, extruding nipples, shuttles, healds and heald-frames, hosiery needles)21
• 8449Machinery for the manufacture or finishing of felt or nonwovens in the piece or in shapes, including machinery for making felt hats; blocks for making hats; parts thereof2
• 8450Household- or laundry-type washing machines, including machines which both wash and dry; parts thereof11
• 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 linoleum; machines for reeling, unreeling, folding, cutting or pinking textile fabrics; parts thereof14
• 8452Sewing machines, other than book-sewing machines of heading 8440; furniture, bases and covers specially designed for sewing machines; sewing machine needles; parts thereof10
• 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 machines; parts thereof5
• 8454Converters, ladles, ingot molds and casting machines, of a kind used in metallurgy or in metal foundries, and parts thereof10
• 8455Metal-rolling mills and rolls therefor; parts thereof14
• 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 processes; water-jet cutting machines21
• 8457Machining centers, unit construction machines (single station) and multistation transfer machines, for working metal12
• 8458Lathes (including turning centers) for removing metal22
• 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 845841
• 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 846132
• 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 cermets, not elsewhere specified or included33
• 8462Machine tools (including presses) for working metal by forging, hammering or die forging (excluding rolling mills); machine tools (including presses, slitting lines and cut-to-length lines) for working metal by bending, folding, straightening, flattening, shearing, punching, notching or nibbling (excluding drawbenches); presses for working metal or metal carbides, not specified above71
• 8463Other machine tools for working metal or cermets, without removing material12
• 8464Machine tools for working stone, ceramics, concrete, asbestos-cement or like mineral materials or for cold working glass5
• 8465Machine tools (including machines for nailing, stapling, glueing or otherwise assembling) for working wood, cork, bone, hard rubber, hard plastics or similar hard materials78
• 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 machines; tool holders for any type of tool for working in the hand36
• 8467Tools for working in the hand, pneumatic, hydraulic or with self-contained electric or nonelectric motor, and parts thereof39
• 8468Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515; gas-operated surface tempering machines and appliances; parts thereof7
• 8470Calculating machines and pocket-size data recording, reproducing and displaying machines with calculating functions; accounting machines, postage-franking machines, ticket-issuing machines and similar machines, incorporating a calculating device; cash registers9
• 8471Automatic data processing machines and units thereof; magnetic or optical readers, machines for transcribing data onto data media in coded form and machines for processing such data, not elsewhere specified or included28
• 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)10
• 8473Parts and accessories (other than covers, carrying cases and the like) suitable for use solely or principally with machines of headings 8470 to 847214
• 8474Machinery for sorting, screening, separating, washing, crushing, grinding, mixing or kneading earth, stone, ores or other mineral substances, in solid (including powder or paste) form; machinery for agglomerating, shaping or molding solid mineral fuels, ceramic paste, unhardened cements, plastering materials or other mineral products in powder or paste form; machines for forming foundry molds of sand; parts thereof16
• 8475Machines for assembling electric or electronic lamps, tubes or flashbulbs, in glass envelopes; machines for manufacturing or hot working glass or glassware; parts thereof5
• 8476Automatic goods-vending machines (for example, postage stamp, cigarette, food or beverage machines), including money-changing machines; parts thereof5
• 8477Machinery for working rubber or plastics or for the manufacture of products from these materials, not specified or included elsewhere in this chapter; parts thereof28
• 8478Machinery for preparing or making up tobacco, not specified or included elsewhere in this chapter; parts thereof4
• 8479Machines and mechanical appliances having individual functions, not specified or included elsewhere in this chapter; parts thereof39
• 8480Molding boxes for metal foundry; mold bases; molding patterns; molds for metal (other than ingot molds), metal carbides, glass, mineral materials, rubber or plastics19
• 8481Taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves; parts thereof61
• 8482Ball or roller bearings, and parts thereof56
• 8483Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof45
• 8484Gaskets and similar joints of metal sheeting combined with other material or of two or more layers of metal; sets or assortments of gaskets and similar joints, dissimilar in composition, put up in pouches, envelopes or similar packings; mechanical seals3
• 8485Machines for additive manufacturing6
• 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 displays; machines and apparatus specified in note 11(C) to this chapter; parts and accessories7
• 8487Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and not specified or included elsewhere in this chapter4

Documents required to import Chapter 84 goods

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

• Commercial InvoiceRequired
• Packing ListRequired
• Bill of Lading / Airway BillRequired
• CBP Entry Summary (7501)Required

  Prepared and filed by your customs broker

• CBP Entry / Release (3461)Required

  Prepared and filed by your customs broker

• Customs Bond (CBP 301)Conditional

  Required for formal entries — generally shipments valued over $2,500

  Single-entry or continuous bond, obtained through your broker or a surety

• Importer Security Filing (ISF "10+2")Conditional

  Required for ocean freight only

  Filed electronically at least 24 hours before loading at the foreign port

• Importer ID Input Record (CBP 5106)Conditional

  Required to establish or update your importer-of-record number with CBP

  One-time setup for a new importer; not filed per shipment

• Entry Manifest (CBP 7533)Conditional

  Alternative to the 3461 for informal, low-value, or contiguous-country entries

• FCC Declaration (Form 740)Conditional

  Required for electronic devices that emit radio frequency

• FDA Radiation Declaration (Form 2877)Conditional

  Required for products that emit radiation (X-ray, laser, microwave, etc.)

Common questions

What does HTS Chapter 84 cover?

Chapter 84 of the US Harmonized Tariff Schedule covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof. It contains 86 four-digit headings and 1,694 tariff lines.

What is the duty rate for Chapter 84 goods?

General duty rates from 1% to 9.9%, with 923 duty-free lines; 1 line carries a specific or compound duty. The rate that applies depends on the specific tariff line and the country of origin — preferential trade agreements can reduce or eliminate the general rate.

How do I find the right HTS code in Chapter 84?

Classification depends on the material, construction, and intended use of the product. Browse the headings on this page, or describe your product in the search box to get a candidate code with its duty rate.