spiral bevel gear
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 8708407570 | 37.5% | CN | US | 官方文档 |
| 8483905080 | 37.5% | CN | US | 官方文档 |
| 8708407580 | 37.5% | CN | US | 官方文档 |
| 8483409000 | 37.5% | CN | US | 官方文档 |
| 8708407580 | 37.5% | CN | US | 官方文档 |
商品图片
AI分析
🦷 Spiral Bevel Gears: The Ultimate HS Code Classification & Duty Guide (2026)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Strategy
📌 Product Definition: What Exactly is a "Spiral Bevel Gear"?
A Spiral Bevel Gear is a type of bevel gear where the teeth are curved and helical. Unlike straight bevel gears, spiral bevel gears engage gradually, allowing for smoother, quieter, and higher-load operations. They are critical components in differential drives, aviation powerplants, marine propulsion, and industrial machinery.
In international trade, classification depends heavily on end-use (general machinery vs. automotive) and material form (forged vs. machined). Misclassification can lead to severe duty penalties due to the "Section 301" and "IEEPA" surcharges applicable to Chinese-origin goods entering the US.
⚠️ Critical Distinction:
- Is it a standalone gear for general machinery? → Chapter 84
- Is it a part of a vehicle transmission? → Chapter 87
- Note: Material inference suggests these are metallic (steel/alloy), which is standard for this component.
📦 Section 1: HS Code Classification Matrix (2026 Authoritative Mapping)
Based on the provided data, here is the precise mapping of Spiral Bevel Gears to specific HS Codes, summaries, and tax implications.
| HS Code | Product Description & Summary | Key Classification Logic |
|---|---|---|
| 8483.40.90.00 | Spiral Bevel Gear (General Machinery) • Summary: Belongs to the "Gears" category; fits the definition of gear units with no material/form conflicts. • Use: Industrial machinery, general power transmission. |
Classified under 84.83 (Transmission shafts, cranks, bearings, gears, etc.). This is the "General Machinery" bucket. |
| 8708.40.75.80 | Part of Motor Vehicle Transmission • Summary: Classified as a transmission part for vehicles; inferred as metallic; no conflict with non-forged steel rules. • Use: Cars, trucks, commercial vehicles. |
Classified under 87.08 (Parts and accessories of motor vehicles). Specifically for transmissions. |
| 8708.99.16.00 | Other Vehicle Parts (General) • Summary: Gear-like spare part; fits power transmission morphology; inferred metallic; reasonable match for "Other" category. • Use: Vehicles, but not strictly transmission-specific or falls under residual "Other parts". |
Classified under 87.08 but in the "Other parts" sub-heading (99.16). Often used if a specific transmission sub-code doesn't fit perfectly or for broader vehicle accessories. |
| 8708.40.75.70 | Transmission Part (Steel/Machined) • Summary: Gear part for transmissions; inferred to meet steel characteristics; no material/form conflicts. • Use: Vehicle transmissions, likely machined steel gears. |
Classified under 87.08 (Transmission parts). Similar to 80, but distinct sub-code possibly reflecting specific manufacturing process (e.g., machined vs. forged) or minor dimensional/usage nuance. |
| 8483.90.50.80 | Gear Parts/Accessories (General) • Summary: Spiral bevel gear fits gear usage definition; classified as spare parts with no obvious material conflict. • Use: General machinery spare parts/accessories. |
Classified under 84.83 (Parts of transmission shafts, gears, etc.). This is the "Parts" bucket for Chapter 84. |
🔍 Key Insight:
- Chapter 84 Codes (8483.xxxx): For gears used in industrial, marine, or general mechanical applications.
- Chapter 87 Codes (8708.xxxx): For gears used as parts of motor vehicles (cars, trucks, buses).
- Material Assumption: All summaries infer metallic (steel) composition, which is standard for spiral bevel gears due to high torque requirements.
💰 Section 2: 2026 Tariff Rate Breakdown (US Import from China)
✅ Destination: United States (US)
✅ Origin: China (CN)
✅ Applicable Policies: Section 301 Tariffs, IEEPA 122-Clause Tariffs
🎯 1. 8483.40.90.00 & 8483.90.50.80 — General Machinery Gears
These codes fall under Chapter 84. They attract the highest combined tax burden in this dataset.
| Item | Detail |
|---|---|
| Base Duty | 2.5% (Most Favored Nation Rate) |
| Section 301 (Add-on) | +25.0% |
| 122-Clause (IEEPA) | +10.0% |
| Total Effective Duty | 37.5% |
| Calculation | CIF Value × 37.5% |
| De Minimis Exemption | ❌ Denied (High value thresholds excluded by Section 301) |
| Legal Path | HTSUS:8483.40.90 / 8483.90.50 → USITC Footnote 301 → IEEPA 122 |
📌 Explanation:
- The 25% Section 301 tariff is applied to most Chinese-origin machinery parts.
- The 10% IEEPA 122-Clause tariff is an additional surcharge targeting specific Chinese imports.
- Total: 37.5%. This is a heavy cost driver.
🎯 2. 8708.40.75.80 & 8708.40.75.70 — Vehicle Transmission Parts
These codes fall under Chapter 87 (Auto Parts). Interestingly, they share the same high tax rate as the general machinery gears in this specific dataset.
| Item | Detail |
|---|---|
| Base Duty | 2.5% |
| Section 301 (Add-on) | +25.0% |
| 122-Clause (IEEPA) | +10.0% |
| Total Effective Duty | 37.5% |
| Calculation | CIF Value × 37.5% |
| De Minimis Exemption | ❌ Denied |
📌 Note: While some auto parts may have lower base duties, the Section 301 and IEEPA add-ons push the total to 37.5%. Do not assume auto parts are automatically cheaper in this specific 2026 context.
🎯 3. 8708.99.16.00 — Other Vehicle Parts (Lower Base Duty)
This code offers a slightly better base duty rate, though the add-ons remain the same.
| Item | Detail |
|---|---|
| Base Duty | 0.0% |
| Section 301 (Add-on) | +25.0% |
| 122-Clause (IEEPA) | +10.0% |
| Total Effective Duty | 35.0% |
| Calculation | CIF Value × 35.0% |
| De Minimis Exemption | ❌ Denied |
📌 Strategy: If your spiral bevel gear can be classified under 8708.99.16.00 (e.g., as a general vehicle accessory rather than a direct transmission component), you save 2.5% on the base duty. Total: 35.0%.
🛠️ Section 3: Customs Clearance Practical Advice (Avoid Pitfalls)
✅ 1. Documentation Checklist (Essential)
| Document | Requirement | Purpose |
|---|---|---|
| Product Specification Sheet | ✔️ Must-Have | Detail tooth profile, modulus, pressure angle, material (e.g., 20CrMnTi), and heat treatment. |
| Application Statement | ✔️ Must-Have | Explicitly state: "Used in [Specific Machine Model]" or "Part for [Vehicle Make/Model] Transmission". |
| Material Declaration | ✔️ Must-Have | Confirm it is not a forged rough blank (which might fall under different headings like 8483.90.50.80 vs 8483.40.90.00). |
| Commercial Invoice | ✔️ Must-Have | Clear description: "Spiral Bevel Gear, Steel, Machined, for Transmission". Avoid vague terms like "Mechanical Part". |
| Packing List | ✔️ Must-Have | List net/gross weight accurately. |
| Certificate of Origin | ✔️ Must-Have | To prove Chinese origin (triggers Section 301/IEEPA). |
✅ 2. Classification Strategy (Key Decision Points)
| Scenario | Recommended HS Code | Why? |
|---|---|---|
| Gear for Industrial Reducer | 8483.40.90.00 |
It’s a primary gear in a power transmission system. |
| Gear for Car Differential | 8708.40.75.80 |
It’s a specific part of a motor vehicle transmission. |
| Spare Gear for General Maintenance | 8708.99.16.00 |
If not strictly defined as a transmission part, use "Other Parts" to benefit from 0% base duty. |
| Gear Blank/Rough Form | 8483.90.50.80 |
If it’s a machined but not finished gear, or a part/accessory. |
🔥 "Golden Rule":
Define End-Use Precisely.
- If you say "Auto Part," use 8708.
- If you say "Industrial Gear," use 8483.
- Ambiguity leads to Customs delays and reclassification.
✅ 3. Common Mistakes & Consequences
| Mistake | Consequence |
|---|---|
| Listing as "Mechanical Component" | Customs may assign a default high-duty code or request a bond, delaying release by 2+ weeks. |
| Ignoring Material | If deemed "Forged," it might trigger different rules. Most spiral bevel gears are cut/machined, not forged. |
| Misidentifying Auto Parts | Declaring a transmission gear as "Industrial" (8483) when it’s for a truck can lead to penalties for false declaration. |
| Assuming De Minimis Applies | ❌ Do not rely on $800 exemption. Section 301 goods from China are excluded from de minimis. |
🌍 Section 4: Global Market Comparison (2026)
| Market | Recommended HS Code (Example) | Est. Total Duty (CN Origin) | Notes |
|---|---|---|---|
| 🇺🇸 USA | 8483.40.90.00 or 8708.40.75.80 |
35.0% – 37.5% | High due to Section 301 + IEEPA. |
| 🇨🇳 China | 8483.40.90.00 |
~5% – 8% | Standard import duty for industrial gears. |
| 🇪🇺 EU | 8483.40.90 |
~0% – 2.7% | No Section 301. Check for anti-dumping on specific steel products. |
| 🇯🇵 Japan | 8483.40.90 |
~0% – 3% | Favorable trade terms, but verify CPTPP benefits. |
📌 Conclusion:
The US market is the most expensive for Spiral Bevel Gears from China due to layered tariffs.
- Target Duty: 35.0% (if classified under8708.99.16.00).
- Worst Case: 37.5% (if classified under8483or specific8708.40codes).
📌 Section 5: Pro Tips for Cost Optimization
- Pre-Import Ruling: Apply for a US Customs Border Protection (CBP) Pre-Import Ruling. This legally binds the customs broker to a specific HS Code, avoiding post-import audits.
- Material Verification: Ensure documentation clearly states "Machined Steel", not "Forged," to align with
8483.40or8708.40rather than raw material headings. - Packaging Strategy: Avoid shipping loose gears with "assembly kits" if possible, as kits may be classified differently (sometimes higher duty).
- Supplier Declaration: Require suppliers to provide a "Statement of Origin" confirming Chinese manufacture, as this triggers the 301/IEEPA duties. Hiding origin is illegal and risky.
🎯 Final Summary: Action Plan
| Step | Action |
|---|---|
| 1. Confirm End-Use | Is it for a Car (8708) or Machine (8483)? |
| 2. Select HS Code | Use 8708.99.16.00 (35% total) if possible for auto parts. Use 8483.40.90.00 (37.5% total) for industrial. |
| 3. Prepare Docs | Specification, Origin Certificate, Invoice with precise description. |
| 4. Calculate Cost | Add 35-37.5% to CIF value. Budget accordingly. |
| 5. File Entry | Use a licensed customs broker experienced in Section 301 goods. |
🚀 Pro Tip:
"Classify for End-Use, Not Just Shape."
A spiral bevel gear in a Ford F-150 is an auto part (8708).
The same gear in a wind turbine gearbox is a machine part (8483).
Choose wisely to optimize duty within legal bounds.
✨ Professional Classification Starts with Precision!
💼 Your profit margin depends on your HS Code!
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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。
从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。