Vehicles & two-wheelers

Heavy-Duty Multi-Leaf Spring for Semi-Trailers

<p style="line-height: 2em;"><span style="color: rgb(15, 17, 21); font-family: quote-cjk-patch, Inter, system-ui, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen, Ubuntu, Cantarell, &quot;Open Sans&quot;, &quot;Helvetica Neue&quot;, sans-serif; background-color: rgb(255, 255, 255);">The Heavy-Duty Multi-Leaf Spring is the most widely used suspension component for semi-trailers and heavy-duty …

SupplierShijiazhuang Trust Vehicle Industry Co., Ltd.www.cntrustvehicle.com

About this product

Product information from the supplier.

Technical Specifications

ParameterSpecification
TypeMulti-Leaf Spring (Conventional)
MaterialHigh-grade Spring Steel (50CrV / 55SiMnVB)
Leaf Count7 – 14 leaves (customizable)
Width70 mm / 75 mm / 90 mm / 100 mm
Thickness8 mm – 20 mm per leaf
Length800 mm – 2,200 mm (customizable)
Arc Height80 mm – 300 mm (customizable)
Load Capacity10 – 40 tons per set
Surface FinishBlack paint / Powder coating / Epoxy coating
StandardGB/T 19844 / DIN / JIS compliant

Key Advantages

  • Superior Load Capacity – Multi-leaf construction provides exceptional strength, making it ideal for heavy-duty hauling applications.

  • Excellent Durability – Manufactured from high-grade spring steel with heat treatment for long service life and fatigue resistance.

  • Cost-Effective – Simple design and widespread availability make it the most economical choice for trailer suspension.

  • Easy Maintenance – Individual leaves can be replaced if damaged, reducing repair costs.

  • Wide Compatibility – Direct OEM replacement for most semi-trailer and heavy truck models.