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Trailer Axle Seat Durability

Trailer Spare Part
December 29, 2025
Category Connection: Trailer Spare Part
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Brief: Get an inside view of features that deliver consistent results in daily use. This video provides a detailed walkthrough of the American Type Trailer Suspension Parts ZG230-450 Top Axle Seat, showcasing its robust construction and precision casting process. You'll see close-up demonstrations of its key technical attributes and learn how its design ensures long-term durability and reliability in demanding trailer applications.
Related Product Features:
  • Precision casting ensures consistent quality and dimensional accuracy for reliable performance.
  • Hardness rating of HB 120-165 provides excellent resistance to wear and impact.
  • Minimal casting draft angle of ≤2° and controlled fillet radii (R2-R5) for precise fit.
  • Rigorous quality control ensures castings are free from cracks, air holes, and slag inclusions.
  • Optional machining of the bottom surface guarantees flatness where required.
  • Complete surface treatment with anti-rust primer for enhanced corrosion protection.
  • Designed as a top axle seat and leaf spring seat for American type trailer suspensions.
  • Robust construction withstands heavy loads and harsh operating conditions.
FAQs:
  • What is the hardness specification for the ZG230-450 Top Axle Seat?
    The casting hardness is specified between HB 120-165, providing optimal strength and durability for trailer suspension systems.
  • How is the quality of the casting ensured?
    Castings are rigorously inspected to be free from defects such as cracks, air holes, slag inclusions, and looseness, ensuring reliable performance.
  • Does the axle seat require any surface treatment?
    Yes, the entire surface of the casting receives an anti-rust primer treatment to protect against corrosion and extend service life.
  • What type of suspension systems is this top axle seat compatible with?
    This top axle seat is designed for American type trailer suspension systems and functions as both a top axle seat and leaf spring seat.
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