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Direct Factory Sale of High Quality New Rigid Suspension Accessories for Trailers

The Trailer Suspension System is a critical mechanical assembly designed to support the trailer’s load, absorb road shocks, ensure stability during transport, and enhance ride comfort and safety. It connects the trailer frame to the axles and plays a vital role in weight distribution, handling, braking efficiency, and tire wear.

Commonly used in freight trailers, semi-trailers, dump trucks, car carriers, refrigerated vans, and recreational trailers, suspension systems are available in various types including leaf spring, air suspension, torsion rubber suspension, and walking beam systems—each tailored for specific applications, load capacities, and operating conditions.
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  • Trailer Parts

Attribute Description
Product Name Trailer Suspension System
Common Types Leaf Spring, Air Suspension, Torsion Rubber, Walking Beam, Parabolic Spring
Application Commercial trailers, dump trucks, flatbeds, refrigerated vans, RVs
Load Capacity Range 5,000 kg to 30,000 kg per axle (depending on type and configuration)
Material Construction High-strength steel (springs, hangers), aluminum alloy (air suspension arms), rubber (torsion), reinforced elastomers
Mounting Position Front, rear, or tandem axle setups
Damping Mechanism Springs + shock absorbers (optional), air bags, rubber elements
Adjustment Capability Height control (air suspension), camber adjustment (some models)
Corrosion Protection Galvanized, powder-coated, or stainless components
Compliance Standards ISO 16337, ECE R90, FMVSS, SAE J2498, EN 13046
Operating Temperature -40°C to +80°C
Maintenance Requirement Low to moderate (air systems require more checks)
Customization Available Yes – axle spacing, stroke length, ride height, OEM fitment
悬挂配件-2


悬挂配件-4


Parameter Air Suspension (Model: AS-13T) Double-Layer Leaf Spring (Model: LS-10T)
Rated Load Capacity 13,000 kg/axle 10,000 kg/axle
Spring Type Air Bellows (x2 per axle) Multi-leaf parabolic (5 leaves)
Ride Height Adjustment Yes (adjustable via air pressure) Fixed
Stroke (Travel Distance) ±75 mm ±50 mm
Natural Frequency 1.1–1.3 Hz 1.6–1.8 Hz
Damping System Optional hydraulic shock absorbers Standard rebound straps
Axle Mounting Style Direct clamp or U-bolt mount U-bolt mounted
Hanger Material Q345 Steel, hot-dip galvanized Q235 Steel, painted
Shock Absorber (if included) Double-tube, nitrogen-filled, 10" stroke Not standard
Weight (per side) ~65 kg ~48 kg
Compatible Axle Size Ø80–Ø100 mm Fits standard trailer axles
Approvals E-marked, ISO 16337, SAE J2498 ISO 16337, GB/T Standards


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