Hydraulic Power Unit for Injection Molding Machines
This hydraulic assembly integrates a manifold, control valves, gear pump, and oil cooler to power the clamping and injection mechanisms in plastic injection molding machines. It falls under HTS 8477.90.65.00 as a specialized part for machinery working plastics, combining multiple specified hydraulic components into one unit.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used in general industrial machinery not specific to plastics/rubber processing
Hydraulic assemblies for non-plastics machinery like metalworking presses fall under Chapter 84 pumps and motors.
If classified as a complete machine rather than a part
Standalone hydraulic units functioning independently may be seen as other machines rather than dedicated parts.
If primarily a control valve manifold without pump integration
Pure valve manifolds for process control may shift to automatic control apparatus in Chapter 90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the assembly incorporates at least two of manifold, valves, pump, or oil cooler via technical specs and diagrams for customs classification
• Provide end-use documentation proving linkage to rubber/plastics machinery to avoid reclassification as general hydraulic parts
• Ensure pressure ratings and fluid compatibility certifications match machinery specs to prevent import delays
Related Products under HTS 8477.90.65.00
Oil Cooler Integrated Hydraulic Manifold for Extruders
A compact hydraulic manifold assembly featuring integrated solenoid valves, hydraulic pump, and finned oil cooler designed for plastic extruder temperature regulation and pressure control. Classified under HTS 8477.90.65.00 for its role in plastics processing machinery, incorporating multiple hydraulic elements.
Multi-Valve Hydraulic Pump Station for Blow Molding
Hydraulic station combining high-pressure pump, directional control valves, distribution manifold, and thermostatic oil cooler for blow molding machine parison control and mold operations. HTS 8477.90.65.00 applies due to its multi-component design for plastics forming machinery.
Integrated Hydraulic Control Module for Rubber Calenders
Assembly featuring hydraulic manifold, proportional valves, axial piston pump, and air-oil cooler for precise roller pressure control in rubber calendering machines. Falls under HTS 8477.90.65.00 as a multi-component hydraulic part for rubber working machinery.
High-Pressure Hydraulic Aggregator for Compression Molding
Heavy-duty hydraulic aggregator with forged steel manifold, servo valves, variable displacement pump, and water-cooled oil cooler for compression molding press operations. HTS 8477.90.65.00 classification reflects its specialized multi-component construction for plastics molding equipment.