Derived from the container flatbed trailer, the sidewall semi-trailer features integral sidewalls (permanent or detachable). Its versatility, adaptability, and ease of operation make it the dominant choice for road freight. Offered in capacities including 40, 60, 80, and 100 tons, these trailers efficiently transport diverse loads, ranging from crated goods to loose bulk commodities.
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Specification
Model
Sidewall Semi Trailer
Loading Capacity
30-100 Tons
Material
Q345/T700
Axles
FUWA/BPW/Other
Tires
Linglong/Triangle/Other
Leaf Spring
90mm*13mm*10
King Pin
50#(2")/90#(3.5") JOST/Other
Landing Gear
28 Ton, JOST/Other Brand
Sidewall Semi-Trailer Frame: This welded structure is the primary load-bearing component. It typically consists of longitudinal main beams (often fabricated I-beams), cross members (supporting beams), front/rear bolsters (connecting beams), side sills (side beams), and gussets/brackets (inclined brackets).
Sidewall Structure: Sidewalls are constructed from either flat (straight) or vertically corrugated sheet panels. The vertical corrugation design provides significantly higher compressive strength and is the more common style. Sidewalls are generally detachable for flexibility. For maximum structural integrity, they can be permanently welded directly to the frame.
King Pin: This critical component provides the articulated connection point between the trailer and the tractor. King pins are typically forged from high-strength chrome alloy steel and conform to standard size classifications, most commonly 50# or 90#.
Suspension System: The suspension supports the trailer's load and absorbs road shocks, particularly under heavy loading. The three predominant types are:
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