53ft North American Standard Skeletal Trailer
The 53ft North American Standard Skeletal Trailer is an advanced, cross-border intermodal transport chassis engineered precisely to comply with rigorous North American highway standards, bridge formulas, and state/provincial axle-weight laws. Designed specifically to haul 53ft dry freight domestic containers, it features a heavy-duty sliding bogie axle sub-frame compatibility for dynamic weight distribution, DOT-certified lighting and electrical systems, and rear underride protection guards. Fabricated using high-tensile Q345B/Q550/T700 steel and automated submerged-arc welding, it ensures exceptional structural longevity and maximum payload efficiency for transcontinental cross-border logistics. Fully certified under DOT, ISO9001, CCC, CE, and SGS standards.
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Product Details
Technical Specifications Matrix
| Specification Category | Parameter Details |
| Product Name | 53ft North American Standard Skeletal Trailer / 53 Foot DOT-Compliant Intermodal Chassis |
| Condition | 100% Brand New |
| Rated Payload Capacity | 35 – 50 Tons |
| Overall Dimensions (L×W×H) | 16,150–16,400 × 2,500–2,590 × 1,450–1,600 mm |
| Compatible Container Size | One 53ft North American Domestic Dry Freight Container |
| HS Code | 8716391000 |
| International Certifications | DOT, ISO9001, CCC, CE, SGS |
Key Structural & Performance Features
1. North American Standard Chassis & Sliding Bogie Compatibility
- High-Tensile Steel Construction: Fabricated using Q345B, Q550, or T700 high-tensile structural steel plates, offering superior resistance against long-span bending and dynamic highway fatigue.
- Automated SAW Welding: Robotic Submerged-Arc Welding (SAW) combined with $CO_2$ gas-shielded welding guarantees exceptional joint durability under continuous long-haul operations.
- Sliding Bogie Sub-Frame Compatibility: Engineered with a heavy-duty sliding axle rail sub-frame provision, enabling adjustable weight distribution across different state/provincial bridge formulas.
- DOT-Compliant Safety Systems: Equipped with heavy-duty rear underride guards, reflective safety tape schemes, and precision twist-locks built strictly to Federal Motor Vehicle Safety Standards (FMVSS).
2. Axle, Suspension & Pneumatic Braking Systems
- Axle Configurations: 2 or 3 heavy-duty axles (FUWA, BPW, or North American equivalent standards; 13T / 16T capacity per axle) optimized for highway endurance.
- Suspension Options: Air-ride suspension systems equipped with leveling valves or multi-leaf spring options to protect sensitive domestic freight.
- Tire & Rim Setup: 8 to 12 heavy-duty commercial tires paired with low-profile or standard high-load steel rims.
- DOT-Certified Air Brake System: Advanced dual-line pneumatic braking system featuring emergency relay valves, automatic slack adjusters, and full ABS compliance for maximum stopping safety.
3. Operational Accessories & Logistics Setup
- Landing Gear & Kingpin: 28-Ton two-speed heavy landing gear and standard 2-inch or 3.5-inch interchangeable kingpins for reliable tractor coupling.
- Electrical & Lighting System: Fully sealed 24V (or 12V conversion compatible) 7-pin LED lighting harness with waterproof junction boxes meeting strict DOT requirements.
- Standard Utility Add-ons: Spare tire carriers, anti-spray mudflaps, and a weather-sealed locking tool box.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main beam; 1-Year warranty for axles and suspension components.
- Delivery Lead Time: 20 – 30 working days upon order confirmation.
- Packaging & Shipping: Nude packing; stacked or shipped via Ro-Ro vessel, Bulk Cargo ship, or Container.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
