North American DOT-Compliant Skeletal Trailer
The North American DOT-Compliant Skeletal Trailer is a rugged intermodal transport chassis engineered in strict compliance with U.S. Federal Motor Vehicle Safety Standards (FMVSS) and Department of Transportation (DOT) regulations for interstate freight. Featuring a reinforced rear impact underride guard, fully sealed modular wiring harnesses, and region-specific axle spacing configurations (such as tandem or widespread tri-axle setups), it ensures absolute legal compliance and highway safety. Fabricated using high-tensile structural steel and automated submerged-arc welding, it delivers supreme structural durability and seamless operation across North American logistics corridors. Fully certified under ISO9001, FMVSS, DOT, and SGS standards.
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Product Details
Technical Specifications Matrix
| Specification Category | Parameter Details |
| Product Name | North American DOT-Compliant Skeletal Trailer / FMVSS Certified Intermodal Chassis |
| Condition | 100% Brand New |
| Rated Payload Capacity | 35 – 50 Tons (North American Highway Bridge Formula Optimized) |
| Overall Dimensions (L×W×H) | 12,200–14,800 (40ft to 53ft adaptable) × 2,438 (96") or 2,591 (102") × 1,250–1,400 mm |
| Regulatory Compliance | Strict Compliance with FMVSS, DOT, SAE, and AAR (Association of American Railroads) Standards |
| Compatible Container Size | 20ft, 40ft ISO Containers, 45ft, 48ft, or 53ft Domestic Containers (Depending on Chassis Length) |
| HS Code | 8716391000 |
| International Certifications | ISO9001, FMVSS / DOT Certified, SGS |
Key Structural & Performance Features
1. DOT-Compliant Chassis & FMVSS Structural Architecture
- High-Tensile Structural Steel: Fabricated using premium high-yield structural steel plates (such as ASTM A572 Grade 50 or equivalent Q345B/Q550), offering exceptional web resilience and fatigue resistance under heavy highway loads.
- Automated SAW Welding: Robotic Submerged-Arc Welding (SAW) combined with $CO_2$ gas-shielded welding guarantees absolute structural joint integrity under continuous high-speed interstate transit stresses.
- FMVSS-Compliant Rear Underride Guard: Equipped with an engineered, heavy-duty rear impact guard certified to meet strict FMVSS 223/224 standards to prevent passenger vehicle under-ride collisions.
- North American Dimensional Profile: Designed to 96-inch or 102-inch overall widths, featuring specific kingpin settings (e.g., 36-inch or 18-inch setbacks) and axle spacings to comply with individual U.S. state bridge weight formulas.
- ISO & Domestic Twist-Lock System: Heavy-duty cast steel retractable or fixed twist-locks positioned to accommodate both international maritime ISO containers and heavy North American domestic boxes.
2. North American Spec Axle, Suspension & Braking Systems
- Heavy-Duty Axle Configurations: 2 or 3 heavy-duty axles (Hendrickson, Fruehauf, or equivalent North American standards; 22,500 lbs to 25,000 lbs capacity per axle) with parallel spindle designs.
- Suspension Options: Hendrickson Intraax or HT series air-ride suspension, or heavy-duty multi-leaf spring suspension engineered for smooth highway tracking and minimal tire wear.
- Tire & Rim Setup: 8 to 12 commercial low-profile tubeless tires (such as 11R22.5 or 295/75R22.5) paired with heavy-duty steel disc or aluminum wheels.
- DOT-Compliant Pneumatic & ABS System: Dual-line pneumatic braking system featuring ABS (Anti-lock Braking System) with PLC communication, spring brake chambers, and SAE-compliant gladhand connections.
3. Operational Accessories & Logistics Setup
- Landing Gear & Kingpin: Jost or Holland two-speed heavy-duty landing gear with sand shoes, paired with an interchangeable 2-inch SAE kingpin.
- Sealed Modular Electrical System: 12V or 24V commercial electrical system featuring sealed, weather-proof modular wiring harnesses, ABS diagnostic pigtails, and DOT-approved reflex reflectors and LED lighting.
- Standard Utility Add-ons: High-visibility retro-reflective conspicuity tape (red/white alternating strips), heavy-duty rubber mudflaps, and a lockable weather-sealed steel toolbox.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main frame structure; 1-Year warranty for axles, suspension, and DOT-compliant braking components.
- Delivery Lead Time: 30 – 40 working days upon order confirmation.
- Packaging & Shipping: Nude packing; shipped via Ro-Ro vessel, Bulk Cargo ship, or specialized container.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
