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Gears and gearing without gearing

CN → US
HS编码 关税税率 原产国 目的国 文档
8484900000 37.5% CN US 官方文档
8484100000 37.5% CN US 官方文档
8479909596 85.0% CN US 官方文档
8479899599 87.5% CN US 官方文档
8483409000 37.5% CN US 官方文档

商品图片

AI分析

⚙️ Gears and Gearing Mechanisms (Non-Gearing Type)


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional-Level Clearance Strategy
📌 I. Product Definition & Classification: What Exactly Are "Gears and Gearing Without Gearing"?

The phrase "Gears and gearing without gearing" is a specific technical description often referring to mechanical transmission components that facilitate power transfer but do not rely on traditional toothed gears (such as spur or bevel gears). These components typically include chain drives, belt drives, friction drives, or coupling devices. In international trade, classification depends heavily on the specific mechanical function, material composition, and exclusion rules defined in the Harmonized System (HS).

⚠️ Key Distinction Point:
- If the component is a mechanical seal, gasket, or simple joint/adapter → Classified under 8484 or 8483.
- If it is a transmission part with independent function (e.g., specific transmission apparatus parts) → Classified under 8479.
- If it is broadly defined as a mechanical appliance part without specific listing → Classified under 8479.89 or 8483.40.


📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)

HS Code Product Description Application Scenario Reason for Classification
8484.90.00.00 Mechanical transmission parts; Gaskets and similar joints; Mechanical seals or other similar joints Mechanical seals, gaskets, adapter joints in transmission systems Matches "Gaskets and similar joints" logic for mechanical transmission; no material conflict.
8483.40.90.00 Gears and gearing devices; Excludes specific gear wheels/chain wheels listed separately Transmission devices; Non-toothed transmission mechanisms Name "Gears and gearing" matches "Gears and gearing devices"; "Without gearing" fits the exclusion logic.
8483.10.00.00 (Note: Derived from 8483.40 logic in prompt context) Transmission shafts, cranks, bearing housings, etc. General transmission apparatus parts Broad category for transmission device components.
8479.90.95.96 Parts of machines and mechanical appliances having individual functions Transmission parts with independent functional attributes "Parts of machines" logic; material unspecified but no conflict with "Parts/Components" special rules.
8479.89.95.99 Other mechanical appliances; Parts/Components Metal or engineering plastic transmission components "Other mechanical appliances" fallback; inferred material (metal/plastic) matches "Other" category.

🔍 Critical Reminder:
- 8484 is chosen for sealing/joint aspects of transmission systems.
- 8483 is chosen for transmission devices where the name explicitly mentions "Gears and gearing."
- 8479 is the fallback for general mechanical parts when specific transmission classifications (8483/8484) are not a perfect fit due to lack of material specification or specific function definition.


💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharges, Policy Add-ons)

Applicable Country: United States (US)
Origin: China (CN)
Effective Date: From November 10, 2025 (including subsequent imports)

🎯 1. 8484.90.00.00 & 8483.40.90.00 & 8483.10.00.00

(Mechanical Seals, Gaskets, and Gearing Devices)

Item Content
Base Tariff Rate 2.5% (Ad Valorem)
USITC Surcharge (Section 301) +25.0%
IEEPA Surcharge (122 Clause) +10.0%
Total Tariff Rate 37.5%
Tax Calculation CIF Value × 37.5%
De Minimis Eligibility Not Eligible (deny_de_minimis)
Legal Basis Path IEEPA:9903.01.25USITC:8484.90.00.00 / 8483.40.90.00FOOTNOTE:9903.88.01

📌 Explanation:
- The 25% USITC surcharge applies to almost all mechanical goods of Chinese origin under Section 301.
- The 10% IEEPA surcharge is an additional levy on Chinese goods.
- Total 37.5% is a high tariff burden. Accurate classification is crucial to avoid overpayment or penalties.


🎯 2. 8479.90.95.96

(Parts of Machines with Individual Functions)

Item Content
Base Tariff Rate 0.0%
USITC Surcharge (Section 301) +25.0%
IEEPA Surcharge (122 Clause) +10.0%
Steel/Aluminum/Copper Surcharge +50.0% (If material is steel, aluminum, or copper)
Total Tariff Rate 35.0% (Non-metallic) OR 85.0% (Metallic)
Tax Calculation CIF Value × (35% or 85%)
De Minimis Eligibility Not Eligible (deny_de_minimis)
Legal Basis Path IEEPA:9901.25USITC:8479.90.95.96FOOTNOTE:9903.88.01

📌 Warning:
- If the transmission part is made of steel, aluminum, or copper, an additional 50% surcharge applies on top of the base rates.
- Total 85% is extremely high.
- If the material is non-metallic (e.g., plastic, composite), the total is 35%.
- Material declaration is critical for this HS Code.


🎯 3. 8479.89.95.99

(Other Mechanical Appliances)

Item Content
Base Tariff Rate 2.5%
USITC Surcharge (Section 301) +25.0%
IEEPA Surcharge (122 Clause) +10.0%
Steel/Aluminum/Copper Surcharge +50.0% (If material is steel, aluminum, or copper)
Total Tariff Rate 37.5% (Non-metallic) OR 87.5% (Metallic)
Tax Calculation CIF Value × (37.5% or 87.5%)
De Minimis Eligibility Not Eligible (deny_de_minimis)
Legal Basis Path IEEPA:9901.25USITC:8479.89.95.99FOOTNOTE:9903.88.01

📌 Note:
- Similar to 8479.90.95.96, the material determines the final rate.
- 87.5% is the maximum rate for metallic parts.
- This code is a "catch-all" for mechanical parts not specified elsewhere.


🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)

✅ 1. Document Checklist (Essential)

Document Mandatory? Explanation
Product Specification Sheet ✔️ Must detail function, transmission type (chain/belt/friction), and material.
Technical Drawing/Structure Diagram ✔️ To prove "no gearing" (no teeth) and clarify mechanical interaction.
Product Photos (with Nameplate) ✔️ Clear view of model, brand, input/output parameters.
Third-Party Test Report ✔️ FCC, CE, RoHS, UL (if applicable).
Commercial Invoice ✔️ Must explicitly state "Gears and Gearing Mechanisms (Non-Gearing Type)."
Certificate of Origin (CO) ✔️ If non-China origin, may qualify for reduced tariffs.
Packing List ✔️ Clarify component relationships to avoid split declaration.

✅ 2. Declaration Tips (Key Mantras)

🔥 "Define Function, Declare Material, Avoid Splitting!"

Scenario Correct Declaration Wrong Action
Transmission Part (Metal, Independent Function) 8479.90.95.96 Misdeclare as 8484 (Gaskets) → Higher risk of audit.
Transmission Part (Non-Metallic) 8479.90.95.96 Same as above, but lower tariff (35% vs 85%).
Gearing Device (Explicit Name) 8483.40.90.00 Misdeclare as 8479 → Potential penalty for misclassification.
Mechanical Seal/Gasket in Transmission 8484.90.00.00 Misdeclare as 8483 → Incorrect function classification.

✅ 3. Special Handling

Scenario Handling Advice
OEM Custom Transmission Parts Provide customer order + design drawings to avoid "non-standard" classification issues.
Mixed Material Parts Declare primary material accurately; if metallic, expect 50% surcharge on 8479 codes.
Used/Refurbished Parts Provide proof of use/status; may affect HS code or eligibility for certain exemptions.
Parts for Medical/Aviation Use If specialized, may qualify for different classification; provide end-use certification.

🌍 V. Global Market Clearance Comparison (2026 Latest)

Country/Region Recommended HS Code Tariff Rate Certification Requirements Notes
🇺🇸 USA 8483.40.90.00 / 8479.90.95.96 37.5% (Non-metal) / 85% (Metal) FCC + RoHS High tariffs due to Section 301 + IEEPA.
🇨🇳 China 8483.40.90.00 / 8479.90.95.96 5% - 10% CCC + RoHS No additional surcharges.
🇪🇺 EU 8483.40.90.00 / 8479.90.95.96 0% - 4.5% (if CE) CE + ErP No surcharges.
🇦🇺 Australia 8483.40.90.00 / 8479.90.95.96 5% RCM No surcharges.
🇯🇵 Japan 8483.40.90.00 / 8479.90.95.96 0% - 3% PSE No surcharges.

📌 Conclusion:
- USA has the highest tariff burden for mechanical transmission parts from China.
- Material declaration is critical for 8479 codes to avoid the 50% surcharge.
- China, EU, Australia, Japan have significantly lower or zero tariffs.


📌 VI. Common Mistakes & Pitfall Guide (Lessons Learned)

Mistake 1: Declaring a metallic transmission part under 8484 (Gaskets) to avoid material surcharges.
👉 Consequence: Customs audit → Misclassification penalty + back taxes.

Mistake 2: Omitting material specification for 8479 codes.
👉 Consequence: Customs assumes metallic → 50% surcharge applied automatically.

Mistake 3: Splitting a complete transmission assembly into "brackets + belts + motors."
👉 Consequence: Each part taxed separately → Total tariff exceeds 100%.

Mistake 4: Using vague names like "Mechanical Part."
👉 Consequence: Customs reclassifies to highest duty rate → Delays + fines.

Correct Approach:

"Transmission Gearing Mechanism (Non-Toothed), Material: Polymer, Function: Power Transfer, Model XYZ, FCC & RoHS Certified."


🎯 VII. Conclusion: Professional Declaration Saves Money!

🎯 Remember the Mantra:

🔹 "Function First, Material Key, Metal Means High Tax, Non-Metal Saves!"
🔹 "8483 for Gearing, 8479 for Parts, 8484 for Seals, Declare Clearly!"
🔹 "HS Code Defines Tax, Rate Differs by 50%, Declaration Error Costs Thousands!"


📌 Pro Tip:
If your transmission parts are originating from Vietnam, Mexico, Thailand, or Malaysia, you may qualify for IEEPA Exemptions, reducing tariffs to 0%~5%.
We recommend applying for an Advance Ruling to mitigate customs clearance risks.


📣 Act Now:

📞 Contact a Professional Customs Broker + Provide Product Photos + Apply for HS Code Advance Ruling
🚀 Ensure Your Transmission Parts Clear Customs Smoothly, Export Efficiently, and Maximize Profits!


Professional Clearance Starts with Precise Classification!
💼 Every Cent of Cost Deserves Exact Calculation!

用户评价

关于 HS 编码归类

协调制度(HS)是由世界海关组织(WCO)制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。

每个 HS 编码遵循以下层级结构:

  • 章(2 位)——商品大类(例如:第 84 章:机器和机械设备)
  • 品目(4 位)——章内的更具体分类
  • 子目(6 位)——国际通用细分,所有 WCO 成员国统一使用
  • 本国细分(8-10 位)——各国自行扩展的细分编码,如美国 HTSUS 10 位编码

正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。

CN进口到US时,适用的关税税率可能包括:

  • 最惠国(MFN)税率——适用于 WTO 成员国的标准关税税率
  • 普通税率——适用于无贸易协定国家
  • 贸易救济关税——附加关税,如 301 条款(反倾销)、232 条款(国家安全)或反补贴税

本页内容仅供参考。如需正式归类,请咨询当地海关或持牌报关代理。