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HSChapter 85
U.S. exports of diesel electric generating sets, output exceeding 375 kva (HS 850213) totaled $81.9M in July 2026.
Importers of Diesel Electric Generating Sets, Output Exceeding 375 KVA paid $1.6M in duties in July 2026 — an effective duty rate of 12% on $13.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataHeavy-duty diesel generating sets above 375 KVA — split into a 375–1,000 KVA tier (8502130020) and an above-1,000 KVA tier (8502130040) — supply prime and standby power for large industrial plants, mining operations, offshore platforms, and critical infrastructure. Canada leads US import supply for this heading, followed by the United Kingdom and Mexico; Canadian goods may benefit from USMCA preferential treatment where rules of origin are satisfied. Units exceeding 1,000 KVA are often custom-engineered to project specifications, making advance classification rulings a practical tool for managing entry risk on high-value, one-off imports.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
159 shipments/mo
To qualify for USMCA preferential tariff treatment, a generating set must meet the applicable tariff classification change or regional value content rules of origin specified in the agreement for Chapter 85 goods. Importers must obtain a valid USMCA certification of origin from the producer or exporter and retain supporting records. Given the complex supply chains for large gensets — which often incorporate engines, alternators, and controls from multiple countries — a thorough origin analysis is advisable before claiming preference.
Yes. Custom-engineered units above 1,000 KVA are often unique configurations with high unit values, making classification disputes costly. A CBP binding ruling (filed on Form 4228) provides advance certainty on the applicable 10-digit HTS line and duty rate before the goods ship. The ruling process typically takes 30 days and is particularly valuable when the generating set incorporates specialized control systems or is designed for a specific industrial application that could affect classification.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8502130040 | Generating Sets, Elc, Diesel, Gt 1000 Kva | $53.6M | 1.70% | 14.85% | $911K |
| 8502130020 | Genrting Sets,Elc,Diesel,Gt 375kva But Lt= 1000kva | $6.2M | 10.41% | 81.61% | $649K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8502130040 | Generating Sets, Elc, Diesel, Gt 1000 Kva | $46.4M |
| 8502130020 | Genrting Sets,Elc,Diesel,Gt 375kva But Lt= 1000kva | $35.4M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$59.9MYoY · Pro
Exports
$81.9MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Exports · July 2026
destination
Canada and Mexico together take 55% of it.
customs district
origin
entry
rate provision · imports
76.3% enters free of duty; the effective duty rate is 2.61%.