液压油清洗设备
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3402901000 | 38.8% | CN | US | Official Doc |
| 3402905030 | 38.7% | CN | US | Official Doc |
| 3810905000 | 40.0% | CN | US | Official Doc |
| 8421290015 | 35.0% | CN | US | Official Doc |
| 8421290040 | 35.0% | CN | US | Official Doc |
AI Analysis
🧼 Hydraulic Fluid Cleaning Equipment: HS Code & Tax Breakdown (2026 Guide)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: What Exactly Are "Hydraulic Cleaning Equipment"?
"Hydraulic Fluid Cleaning Equipment" is a broad term that covers two distinct categories in international trade:
1. Chemical Cleaning Agents: Specialized detergents, solvents, or formulations designed to clean hydraulic systems.
2. Mechanical Separation/Filtration Devices: Hardware units (filters, separators, purifiers) used to remove water, air, and particulate matter from hydraulic fluid.
International customs authorities strictly distinguish between chemical preparations (Chapter 34/38) and mechanical machinery (Chapter 84). Misclassification here leads to severe tax discrepancies and clearance delays.
⚠️ Critical Distinction:
- If the product is a liquid/paste used to wash or clean hydraulic components → Falls under Chemical Preparations (HS 3402 or 3810).
- If the product is a machine/device that filters or separates oil from water → Falls under Machinery for Filtering/Purifying Liquids (HS 8421).
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data for "Hydraulic Fluid Cleaning Equipment", here are the specific classifications:
| HS Code | Product Description | Application Scenario | Key Feature |
|---|---|---|---|
3402.90.10.00 |
Hydraulic Oil Special Cleaner (Synthetic Detergent) | Chemical cleaning of hydraulic systems | Defined as a synthetic detergent; uses chemical action to clean. |
3402.90.50.30 |
Hydraulic Oil Special Cleaner (Cleaning Prep) | General cleaning of hydraulic components | Defined as a Cleaning preparation; functional cleaner. |
3810.90.50.00 |
Hydraulic Oil Special Cleaner (Auxiliary Chemical) | Industrial chemical treatment | Classified as a Chemical Preparation/Auxiliary Agent; distinct from pure detergents. |
8421.29.00.15 |
Hydraulic Oil-Water Separator | Mechanical separation of oil and water | Hardware device for Liquid Filtering/Purification; removes water from oil. |
8421.29.00.40 |
Hydraulic Fluid Power Filter | Filtration system for hydraulic lines | Hardware device classified as Hydrodynamic Fluid Filter; part of filtration apparatus. |
🔍 Key Reminder:
- Chemicals (HS 3402/3810) are governed by chemical composition and cleaning function.
- Machinery (HS 8421) is governed by mechanical action (filtering, separating, pumping).
- Do not mix: A "filter element" might be chemical, but the "separator unit" is machinery.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 (and subsequent imports)
🎯 1. Chemical Cleaners (HS 3402 & 3810)
These items face high total tariffs due to their chemical nature and origin.
A. 3402.90.10.00 – Hydraulic Oil Special Cleaner (Synthetic Detergent)
| Item | Content |
|---|---|
| Base Tariff | 3.8% (Ad Valorem) |
| Section 301 Surcharge | +25.0% (Additional Tariff) |
| Section 122 Tariff | +10.0% (USITC Footnote/Specific Clause) |
| Total Tax Rate | 38.8% |
| Tax Calculation | CIF Value × 38.8% |
| De Minimis Eligibility | ❌ Not Eligible (High value chemical imports often excluded or scrutinized) |
| Legal Basis Path | Section 301: 9903.01.05 → Section 122: 9903.03.40 → USITC: 3402.90.10.00 |
📌 Explanation:
- The 3.8% is the standard Most Favored Nation (MFN) rate for synthetic detergents.
- The 25% is the Section 301 tariff on Chinese goods.
- The 10% is a specific additional duty (Section 122).
- Total: 38.8%. This is a significant cost burden for bulk chemical imports.
B. 3402.90.50.30 – Hydraulic Oil Special Cleaner (Cleaning Preparation)
| Item | Content |
|---|---|
| Base Tariff | 3.7% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 38.7% |
| Tax Calculation | CIF Value × 38.7% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Basis Path | Section 301: 9903.01.05 → Section 122: 9903.03.40 → USITC: 3402.90.50.30 |
📌 Note:
- Functionally similar to the previous item but classified under a slightly different subheading for "cleaning preparations."
- Tax rate is 38.7%, nearly identical to the synthetic detergent category.
C. 3810.90.50.00 – Hydraulic Oil Special Cleaner (Chemical Preparation)
| Item | Content |
|---|---|
| Base Tariff | 5.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 40.0% |
| Tax Calculation | CIF Value × 40.0% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Basis Path | Section 301: 9903.01.06 → Section 122: 9903.03.40 → USITC: 3810.90.50.00 |
📌 Note:
- Classified under Chapter 38 (Miscellaneous Chemical Products), which often has a higher base rate (5%) than Chapter 34 (Detergents, ~3.8%).
- Highest tax rate among chemicals: 40.0%. Ensure your MSDS and ingredient list justify the3402classification if possible to save 1.2-1.3%.
🎯 2. Mechanical Separation/Filtration Devices (HS 8421)
These are hardware items. While the base tariff is low, the surcharges are heavy.
D. 8421.29.00.15 – Hydraulic Oil-Water Separator
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Basis Path | Section 301: 9903.01.07 → Section 122: 9903.03.41 → USITC: 8421.29.00.15 |
📌 Explanation:
- Base rate is 0% because it is a mechanical filtration device.
- However, the 25% + 10% surcharges bring the total to 35.0%.
- This is lower than the chemical cleaners (38.7-40.0%). If your product is a machine, ensure it is classified here, not as a chemical.
E. 8421.29.00.40 – Hydraulic Fluid Power Filter
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tax Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Eligibility | ❌ Not Eligible |
| Legal Basis Path | Section 301: 9903.01.07 → Section 122: 9903.03.41 → USITC: 8421.29.00.40 |
📌 Note:
- Same tax structure as the separator.
- Classified under Hydrodynamic Fluid Filters.
- Total: 35.0%.
🛠️ IV. Customs Clearance Practical Advice (Combat Pitfalls Guide)
✅ 1. Documentation Checklist (Non-negotiable)
| Document | Required? | Description |
|---|---|---|
| ✅ MSDS / SDS | ✔️ For Chemicals | Safety Data Sheet is critical for HS 3402/3810. Must list ingredients, pH, and hazards. |
| ✅ Product Specification Sheet | ✔️ | For HS 8421: Must detail flow rate, filtration精度 (micron rating), separation efficiency, power supply. |
| ✅ Product Photos (Clear Labels) | ✔️ | Show model number, voltage, and "Made in China" label. |
| ✅ Commercial Invoice | ✔️ | Clearly describe the item: "Hydraulic Oil Cleaner, Chemical" OR "Hydraulic Oil-Water Separator, Mechanical Device". Do not use vague terms. |
| ✅ Packing List | ✔️ | Separate chemical containers from mechanical units if shipped together. |
| ✅ Import Security Filing (ISF) | ✔️ | Required for ocean freight. Submit 24 hours before loading. |
✅ 2. Declaration Tactics (Key Mnemonic)
🔥 “Chemicals Need SDS, Machines Need Specs; Don’t Mix Them, Or You’ll Fail The Checks!”
| Scenario | Correct Declaration | Wrong Practice | Consequence |
|---|---|---|---|
| Liquid Cleaner | 3402.90.10.00 + MSDS |
Declare as "Filter Part" | HS Code Error → Penalty + Delay |
| Liquid Cleaner | 3402.90.10.00 |
Declare as "Machinery" | Tax Discrepancy → Audit & Seizure |
| Separator Unit | 8421.29.00.15 + Spec Sheet |
Declare as "Chemical Agent" | HS Code Error → Penalty + Delay |
| Filter Cartridge | Check if it's a replaceable element (often 8421.99) or part of the unit. | Vague "Filter" | Ambiguity → Inspection |
✅ 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| Chemical + Filter Sold Together | Split Declaration: Declare chemicals under HS 3402 and the filter unit under HS 8421. Do not combine into one line item. |
| Pre-filled Filter Cartridge | If the filter contains chemical absorbents, it may still be classified as a mechanical filter (HS 8421) if the primary function is filtration, but declare carefully. |
| Industrial vs. Consumer | Large industrial separators (HS 8421) face strict safety inspections. Ensure UL/CSA certification if applicable. |
| Origin Marking | All products must be clearly marked "Made in China". Failure to do so can result in detention. |
🌍 V. Global Market Customs Comparison (2026 Update)
| Country/Region | Recommended HS Code (Chemical) | Tax Rate (China) | Recommended HS Code (Machine) | Tax Rate (China) | Notes |
|---|---|---|---|---|---|
| 🇺🇸 USA | 3402.90.10.00 |
38.8% | 8421.29.00.15 |
35.0% | High surcharges apply. Strict MSDS checks. |
| 🇨🇳 China | 3402.90.10.00 |
~3.8% | 8421.29.00.15 |
~0% | Low base tariffs, no US-style surcharges. |
| 🇪🇺 EU | 3402.90.90 |
~6.5% | 8421.29.90 |
~1.7% | REACH compliance required for chemicals. |
| 🇯🇵 Japan | 3402.90.00 |
~6.0% | 8421.29.00 |
~3.5% | PSE mark for electrical separators. |
📌 Conclusion:
- The USA is the most expensive market for these goods due to the叠加 (stacking) of Section 301 and Section 122 tariffs.
- Mechanical devices (35%) are slightly cheaper than Chemicals (38.7-40.0%).
- EU/Asia do not have the same punitive surcharges, making them more cost-effective for export.
📌 VI. Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Using "Hydraulic Cleaner" as the description for a Mechanical Separator.
👉 Consequence: Customs will expect an MSDS, find none, and delay the shipment for inspection.
❌ Mistake 2: Declaring a Chemical Cleaner under HS 8421 to avoid tax.
👉 Consequence: Major Penalty. Chemicals under 8421 are flagged for environmental hazards.
❌ Mistake 3: Not providing an MSDS for chemical imports.
👉 Consequence: Refusal of Entry or destruction of goods. The USDOT and EPA require MSDS for almost all chemical imports.
❌ Mistake 4: Combining Chemicals and Machines in one HS Code.
👉 Consequence: Customs Audit. You cannot mix distinct tariff classifications.
✅ Correct Practice:
For Chemicals:
"Hydraulic System Cleaning Agent, Synthetic Detergent, Liquid, 5 Gallon Drum, MSDS Attached, HS 3402.90.10.00"For Machines:
"Hydraulic Oil-Water Separation Unit, Mechanical, 110V, Flow Rate 50L/min, UL Listed, HS 8421.29.00.15"
🎯 VII. Conclusion: Professional Declaration, Save Cost, Clear Fast!
🎯 Remember the Mnemonic:
🔹 “Chemicals Need SDS, Machines Need Specs”
🔹 “3402/3810 ~40%, 8421 ~35%, Don’t Mix or You’ll Pay!”
🔹 “Base Rate Low, Surcharge High, Total Tax is the Final Blow!”
📌 Pro Tip:
If you are exporting large volumes of Hydraulic Cleaning Equipment, consider:
1. Applying for an HTS Code Exclusion: Check if your specific product qualifies for any Section 301 exclusions (though rare for general cleaning equipment).
2. Supply Chain Diversification: If tariffs are too high, consider sourcing or final assembly in Vietnam, Mexico, or Thailand to avoid the 25% Section 301 tariff and 10% Section 122 tariff.
3. Pre-Clearance Ruling: Submit a binding ruling request to US Customs and Border Protection (CBP) for complex product lines to ensure the HS Code is locked in before shipping.
📣 Immediate Action:
📞 Contact Your Freight Forwarder + Provide MSDS (for chemicals) + Confirm HS Code Pre-Ruling
🚀 Make Your Hydraulic Cleaning Equipment Pass Customs Smoothly, Efficiently, and Profitably!
✨ Professional Customs Clearance Starts with Precise Classification!
💼 Every Penny of Cost Deserves Exact Calculation!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.