Offshore Derrick Crown Block from Japan
An offshore derrick crown block is a fixed sheave assembly at the top of an offshore drilling derrick, guiding the drilling line for hoisting operations. It is built to withstand extreme loads on floating production platforms and is used with boring or sinking machinery of subheading 8430.41 or 8430.49.
Duty Rate — Japan → Canada
0%
Import Tips
• Classify the crown block as a part of boring or sinking machinery, not as a pulley of heading 84.83
• Provide load ratings and design specifications for CBSA review
• Verify if the item is subject to any Canadian import restrictions for offshore equipment