Escalator Tension Carriage Assembly
Adjustable carriage mechanism that maintains proper tension on both step and balustrade chains during operation. Classified in HTS 8431.31.0040 for its principal role in escalator functionality under heading 8428.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If elevator-specific tension systems
Passenger elevator parts use separate statistical suffix.
If unassembled components shipped separately
Machines/parts not elsewhere specified if lacking escalator specificity.
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Import Tips & Compliance
• Include load test certifications and OEM part numbers; ensure weight capacity documentation
• Common error: classifying as general elevator part
Related Products under HTS 8431.31.00.40
Escalator Brake Control Module
Electronic-hydraulic unit controlling emergency and service braking systems on escalators. Principal safety part under HTS 8431.31.0040 for heading 8428 escalators.
Escalator Landing Plate
Heavy-duty platform plates at escalator top/bottom forming transition to building floor. Load-bearing structural parts classified HTS 8431.31.0040.
Escalator Step Riser
Contoured plate forming back edge of each escalator step, housing demarcation lights and safety features. Integral step component classified under HTS 8431.31.0040.
Escalator Step Chain
Heavy-duty roller chain assembly that connects and drives the individual steps of an escalator, ensuring smooth vertical movement. Classified under HTS 8431.31.0040 as a principal part specific to escalators of heading 8428. Essential for transmitting power from the drive system to the step train.
Escalator Step Roller Assembly
Precision-engineered rollers mounted on escalator steps that roll along the track for quiet, low-friction operation. HTS 8431.31.0040 covers these as principal components unique to escalator step mechanisms in heading 8428.
Escalator Balustrade Chain
Specialized chain drive system that moves the escalator handrail (balustrade) in synchronization with the steps. Falls under HTS 8431.31.0040 as an escalator-specific part of heading 8428 machinery.