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The Heavy-Duty Multi-Leaf Spring is the most widely used suspension component for semi-trailers and heavy-duty trucks. Constructed from multiple steel leaves of varying lengths stacked together, it effectively absorbs shock and distributes load across the axle. Manufactured from high-grade spring steel, this multi-leaf spring delivers exceptional load capacity, durability, and reliable performance under the most demanding hauling conditions. It is a direct OEM replacement compatible with major trailer brands.
Description
| Parameter | Specification |
|---|---|
| Type | Multi-Leaf Spring (Conventional) |
| Material | High-grade Spring Steel (50CrV / 55SiMnVB) |
| Leaf Count | 7 – 14 leaves (customizable) |
| Width | 70 mm / 75 mm / 90 mm / 100 mm |
| Thickness | 8 mm – 20 mm per leaf |
| Length | 800 mm – 2,200 mm (customizable) |
| Arc Height | 80 mm – 300 mm (customizable) |
| Load Capacity | 10 – 40 tons per set |
| Surface Finish | Black paint / Powder coating / Epoxy coating |
| Standard | GB/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.
