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HSChapter 84
U.S. imports of industrial machinery & equipment for temperature-change material treatment (nesoi) (HS 841989) totaled $297.8M in April 2026, traded with 54 countries.
Importers of Industrial Machinery & Equipment for Temperature-Change Material Treatment (NESOI) paid $33.0M in duties in April 2026 — an effective duty rate of 15% on $221.9M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataSpanning a wide range of process industries, this heading covers industrial and laboratory equipment that treats materials through heating, cooling, or other temperature change — excluding domestic appliances and the food/hot-drink machinery of heading 841981. Taiwan and Mexico are the leading US import sources, with China, Canada, and Germany also significant. The US schedule draws important distinctions by end-use: dedicated lines exist for equipment cooling food and beverages (8419899520), general cooling equipment (8419899540), food and beverage temperature treatment (8419899560), and rubber and plastics processing (8419899580), with a residual NESOI line (8419899585) for other applications. Chinese-origin goods may carry Section 301 tariff exposure, and importers should verify classification carefully given the heading's broad scope.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Line 8419899520 is specifically for equipment designed to cool food and beverages, while 8419899560 covers broader temperature-change treatment of food and beverages not limited to cooling — such as pasteurization or heat treatment systems. The distinction turns on whether the equipment's primary designed function is cooling versus a broader thermal process, and misclassification between these lines is a common audit finding.
Taiwan has a well-developed industrial machinery manufacturing base, particularly for process equipment used in electronics, food processing, and plastics industries — all of which rely heavily on temperature-control machinery. Its competitive pricing and established export infrastructure make it a primary source for US importers of this equipment category.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8419899540 | IND MACH, PLANT EQUIP DESIGN FOR COOLING, NESOI | $162.2M | 14.64% | $19.4M |
| 8419899585 | IND MAC,PLANT,EQUIP,TREAT OF MATERL,TEMP CHG,NESOI | $124.9M | 14.88% | $12.4M |
| 8419899560 | IND MAC,PLANT,EQUIP,TREAT FOOD,BEV,TEMP CHG,NESOI | $3.2M | 21.00% | $159K |
| 8419891000 | IND MAC PLT,EQUIP,MAKE PULP,PAPER,PAPERBOARD,NESOI | $2.6M | 32.42% | $524K |
| 8419899580 | IND MAC,PLANT, EQUIP,TREAT RUB, PLAST,TEMP CHG,NES | $2.5M | 14.36% | $272K |
| 8419899520 | IND MACH, PLANT OR EQUIP DES FOR COOL FOOD,BEVERAG | $2.4M | 14.33% | $302K |
| 8419896000 | IND MAC,PLANT,EQUIP,TREAT OF MATERL,TEMP CHG,OTHER | $5K | 10.00% | $522 |
IND MACH, PLANT EQUIP DESIGN FOR COOLING, NESOI
IND MAC,PLANT,EQUIP,TREAT OF MATERL,TEMP CHG,NESOI
IND MAC,PLANT,EQUIP,TREAT FOOD,BEV,TEMP CHG,NESOI
IND MAC PLT,EQUIP,MAKE PULP,PAPER,PAPERBOARD,NESOI
IND MAC,PLANT, EQUIP,TREAT RUB, PLAST,TEMP CHG,NES
IND MACH, PLANT OR EQUIP DES FOR COOL FOOD,BEVERAG
IND MAC,PLANT,EQUIP,TREAT OF MATERL,TEMP CHG,OTHER
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8419899585 | IND MAC,PLANT,EQUIP,TREAT OF MATERL,TEMP CHG,NESOI | $66.4M |
| 8419899540 | IND MACH, PLANT EQUIP DESIGN FOR COOLING, NESOI | $20.9M |
| 8419899560 | IND MAC,PLANT,EQUIP,TREAT FOOD,BEV,TEMP CHG,NESOI | $12.9M |
| 8419891000 | IND MAC PLT,EQUIP,MAKE PULP,PAPER,PAPERBOARD,NESOI | $6.1M |
| 8419899520 | IND MACH, PLANT OR EQUIP DES FOR COOL FOOD,BEVERAG | $1.9M |
| 8419899580 | IND MAC,PLANT, EQUIP,TREAT RUB, PLAST,TEMP CHG,NES | $882K |
IND MAC,PLANT,EQUIP,TREAT OF MATERL,TEMP CHG,NESOI
16.1K no
IND MACH, PLANT EQUIP DESIGN FOR COOLING, NESOI
4.7K no
IND MAC,PLANT,EQUIP,TREAT FOOD,BEV,TEMP CHG,NESOI
2.4K no
IND MAC PLT,EQUIP,MAKE PULP,PAPER,PAPERBOARD,NESOI
2.7K no
IND MACH, PLANT OR EQUIP DES FOR COOL FOOD,BEVERAG
384 no
IND MAC,PLANT, EQUIP,TREAT RUB, PLAST,TEMP CHG,NES
611 no
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $119.7M | $3.5M | -$116.2M |
| Texas | $56.2M | $33.0M | -$23.3M |
| Minnesota | $10.0M | $30.2M | +$20.1M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LAREDO, TX | $53.4M | $47.8M | -$5.6M |
| LOS ANGELES, CA | $79.9M | -- | -$79.9M |
| CHICAGO, IL | $26.3M | $5.6M | -$20.7M |