Multi-Ratio Speed Changer for Paper Stock Pump
A gearbox with multiple manual ratios for driving pulp stock pumps that circulate cellulosic slurry in paper machines. It is designed for high-efficiency continuous operation. This product falls under tariff item 8483.40.00 as a speed changer.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as a part of paper making machinery
Parts of machinery for making paper are classified under heading 84.39.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the speed changer is classified for paper machinery use
• Provide documentation of its efficiency and continuous operation capabilities
• Check for any applicable trade agreements that may reduce duties
Related Products under Tariff item 8483.40.00
Agricultural Tractor Torque Converter
A torque converter designed for agricultural tractors, handling high torque loads from PTO-driven implements. It functions as a speed changer within the tractor's transmission system, transmitting and modifying rotational force. This product falls under tariff item 8483.40.00 as a torque converter, which is a type of speed changer.
Automotive Fluid Coupling Torque Converter
A fluid coupling torque converter for automatic transmissions in passenger cars, using hydraulic fluid to transmit torque from the engine to the transmission. It is a speed changer that allows for smooth power transfer and torque multiplication. This product falls under tariff item 8483.40.00 as a torque converter.
Constant Ratio Gearbox for Paper Machine Calendars
A robust fixed ratio gearbox engineered for calendar stack drives in paperboard manufacturing lines, providing steady speed reduction for precise roll pressure control. Its non-adjustable gear train ensures consistent performance. This product falls under tariff item 8483.40.00 as a gear box.
Fixed Ratio Drive for Pulp Washer Drum
A robust fixed ratio speed changer powering rotating drums in pulp washers that clean cellulosic pulp fibers for paper production. It is designed for chemical exposure and provides a constant speed ratio. This product falls under tariff item 8483.40.00 as a gear box or speed changer.
Fixed Ratio Gearbox for Pulp Refiner
A fixed ratio speed changer gearbox designed specifically for use in pulp refiners, which process wood chips into cellulosic pulp for paper production. It transmits power from the motor to the refiner disc at a constant ratio. This product falls under tariff item 8483.40.00 as a gear box.
Fixed Speed Reducer for Paperboard Calender Drive
A compact fixed ratio speed reducer transmitting power to calender rolls in paperboard finishing machines, reducing motor speed for precise sheet compression from pulp slurry. It is designed for high-load paper production lines. This product falls under tariff item 8483.40.00 as a speed changer.