Air Suspension Lowbed Semi-Trailer
The Air Suspension Lowbed Semi-Trailer is a precision-engineered, heavy-duty transport semi-trailer equipped with an advanced shock-absorbing air suspension system designed specifically for hauling fragile industrial machinery, high-precision electronics, sensitive medical equipment, and high-value oversized cargo. Built with a load capacity ranging from 30 to 120+ tons, it is constructed using Q345B/Q550/Q700/T700 high-tensile steel and automated submerged-arc welding. Its electronically controlled air suspension system delivers superior vibration dampening, automatic ride-height adjustment, and multi-axle load leveling, ensuring maximum cargo protection, reduced road shock transmission, and strict highway bridge clearance compliance during long-distance transit. Fully certified under ECE, ISO9001, CCC, CE, DOT, and SGS standards.
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Product Details
Technical Specifications Matrix
| Specification Category | Parameter Details |
| Product Name | Air Suspension Lowbed Semi-Trailer / Air Ride Lowboy Semi-Trailer |
| Condition | 100% Brand New |
| Rated Load Capacity | 30 – 120+ Tons |
| Overall Dimensions (L×W×H) | 12,500–18,000 × 2,500–3,000 × 1,500–3,500 mm |
| Low Deck Length | 7,500 – 9,700 mm |
| Loading Deck Height | 650 – 1,050 mm (Adjustable via Air Ride) |
| HS Code | 8716391000 |
| International Certifications | ECE, ISO9001, CCC, CE, DOT, SGS |
Key Structural & Performance Features
1. Advanced Air Suspension & Shock-Dampening System
- Precision Air Ride Technology: Equipped with heavy-duty air bellows and shock absorbers that absorb high-frequency road vibrations, protecting sensitive cargo from structural fatigue and impact damage.
- Automatic Ride-Height Control: Features electronic or mechanical leveling valves that automatically adjust deck height based on load weight, ensuring consistent ground clearance and stability.
- High-Tensile Steel Structure: Fabricated with Q345B, Q550, Q700, or T700 steel plates, engineered to withstand dynamic twisting forces and uneven weight distribution.
- Automated SAW Welding: Robotic Submerged-Arc Welding (SAW) combined with $CO_2$ gas-shielded welding guarantees exceptional frame durability and weld integrity.
2. Axle, Braking & Lifting Systems
- Axle Configurations: 2 to 5 axles (FUWA, BPW, or equivalent premium brands; 13T / 16T capacity per axle optimized for air ride compatibility).
- Tire & Rim Setup: 8 to 20 heavy-duty tires paired with low-profile 6.75-17.5 or 9.00-22.5 steel rims.
- Lift Axle Options: Optional lifting axle mechanism to reduce tire wear and fuel consumption when traveling empty or partially loaded.
- Braking System: Dual-line ABS anti-lock braking system (WABCO, Kemi, Haldex, or equivalent) ensuring reliable braking performance under all load conditions.
3. Cargo Protection & Loading Setup
- Adjustable Loading Height: Deck can be lowered pneumatically to simplify loading operations or raised to negotiate rough terrain and obstacles.
- Platform Width Extension: Outriggers and side brackets extend platform width by 250–300 mm per side to accommodate wide industrial modules.
- Cargo Securing Systems: GR120 heavy-duty lashing chains, D-ring tie-down anchor points, and specialized soft-securing straps to lock sensitive equipment firmly without surface damage.
- Standard Accessories: 28-Ton two-speed landing gear (JOST / FUWA), 50# (2") or 90# (3.5") interchangeable kingpins, 24V 7-pin LED lighting system, 1–2 spare tire carriers, and a waterproof tool box.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main beam; 1-Year warranty for axles, air bellows, and valves.
- Delivery Lead Time: 25 – 35 working days upon order confirmation.
- Packaging & Shipping: Nude packing; shipped via Ro-Ro vessel, Bulk Cargo ship, or Container.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
