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HSChapter 84
U.S. imports of transmission shafts, camshafts, crankshafts, and cranks (HS 848310) totaled $220.0M in June 2026, traded with 73 countries.
Importers of Transmission Shafts, Camshafts, Crankshafts, and Cranks paid $26.7M in duties in June 2026 — an effective duty rate of 19% on $144.5M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: June 2026 dataCamshafts and crankshafts for spark-ignition engines destined for Chapter 87 vehicles represent the highest-value segment of this heading and are further subdivided by engine displacement and vehicle type across multiple 10-digit lines, reflecting the automotive industry's dominance of US import demand. Germany and Japan are the leading suppliers, consistent with their roles as major sources of powertrain components for vehicles assembled in North America; Canada and Mexico also supply significant volumes under USMCA-integrated production arrangements. The heading also covers general transmission shafts and cranks not specific to automotive engines (8483105000), which serve industrial machinery, marine, and aerospace applications. Section 301 tariffs apply to Chinese-origin shipments, and importers should confirm whether a shaft is presented as a finished component or as a forging blank, as the latter may classify differently under Chapter 72 or 73.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
A crankshaft forging blank that has not yet been machined to final dimensions may classify under Chapter 72 or 73 as a steel forging rather than under 8483.10, which covers finished or semi-finished transmission shafts. CBP's essential character analysis focuses on whether the article is already dedicated to its end use by shape and machining. Importers should obtain a binding ruling if the degree of processing is ambiguous, as misclassification between chapters carries significant duty and penalty risk.
The correct 10-digit line depends on engine type (spark-ignition vs. compression-ignition), vehicle chapter applicability (Chapter 87 vs. other), and engine displacement where relevant. Importers should retain the manufacturer's technical specification sheet, the vehicle or equipment application list, and the engine displacement rating. For automotive OEM supply chains, the vehicle model and engine family documentation from the assembler typically provides sufficient evidence for CBP review.
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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 % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8483105000 | TRANSMISSION SHAFTS AND CRANKS, NESOI | $111.1M | 14.00% | 52.99% | $15.6M |
| 8483101030 | CAM/CRANKSHAFT F SPARK IGN ENG F VEHICLES OF CH 87 | $51.4M | 5.69% | 73.35% | $2.9M |
| 8483103050 | CAMSHAFTS AND CRANKSHAFTS, NESOI | $28.6M | 14.92% | 91.89% | $4.3M |
| 8483103010 | CAM/CRANKSHAFTS FOR VEHICLES OF CHAPT 87, NESOI | $19.8M | 11.24% | 74.13% | $2.2M |
| 8483101050 | CAMSHAFTS AND CRANKSHAFTS, F SPARK IGN ENG, NESOI | $8.5M | 19.28% | 75.56% | $1.6M |
| 8483101010 | CAMSHAFTS AND CRANKSHAFTS FOR MOTORCYCLES | $633K | 20.72% | 93.40% | $131K |
TRANSMISSION SHAFTS AND CRANKS, NESOI
CAM/CRANKSHAFT F SPARK IGN ENG F VEHICLES OF CH 87
CAMSHAFTS AND CRANKSHAFTS, NESOI
CAM/CRANKSHAFTS FOR VEHICLES OF CHAPT 87, NESOI
CAMSHAFTS AND CRANKSHAFTS, F SPARK IGN ENG, NESOI
CAMSHAFTS AND CRANKSHAFTS FOR MOTORCYCLES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8483105000 | TRANSMISSION SHAFTS AND CRANKS, NESOI | $186.7M |
| 8483101020 | CAM/CRANKSHAFT F SPARK IGN ENG F VEHICLES OF CH 87 | $34.2M |
| 8483103050 | CAMSHAFTS AND CRANKSHAFTS, NESOI | $14.2M |
| 8483103010 | CAM/CRANKSHAFTS FOR VEHICLES OF CHAPT 87, NESOI | $3.6M |
| 8483101050 | CAMSHAFTS AND CRANKSHAFTS, F SPARK IGN ENG, NESOI | $2.7M |
TRANSMISSION SHAFTS AND CRANKS, NESOI
3.4M kg
CAM/CRANKSHAFT F SPARK IGN ENG F VEHICLES OF CH 87
2.7M kg
CAMSHAFTS AND CRANKSHAFTS, NESOI
70.3K no
CAM/CRANKSHAFTS FOR VEHICLES OF CHAPT 87, NESOI
9.9K no
CAMSHAFTS AND CRANKSHAFTS, F SPARK IGN ENG, NESOI
20.7K no
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| Port | Imports | Exports | Balance |
|---|---|---|---|
| CHICAGO, IL | $12.1M | $43.1M | +$31.0M |
| CINCINNATI-LAWRENCEBURG, OH | $12.9M | $35.6M | +$22.7M |
| LAREDO, TX | $14.8M | $24.7M | +$9.9M |