Off-Road Mining Skeletal Container Semi-Trailer
The Off-Road Mining Skeletal Container Semi-Trailer is an extreme-duty intermodal transport chassis engineered specifically for severe off-road operations, unpaved haul roads, and rugged mining sites. Designed to handle intense torsional shock and extreme payload densities, it features a heavy-duty closed box-beam frame architecture, extra-reinforced multi-leaf spring suspensions, and high-clearance deep-tread off-road tires. Fabricated using ultra-high-tensile Q345B/Q550/T700 structural steel and automated submerged-arc welding, it delivers maximum torsional rigidity, exceptional ground clearance, and long-term durability under harsh environmental conditions. Fully certified under ISO9001, CCC, CE, DOT, and SGS standards.
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Product Details
Technical Specifications Matrix
| Specification Category | Parameter Details |
| Product Name | Off-Road Mining Skeletal Container Semi-Trailer / Extreme-Duty Mining Haul Chassis |
| Condition | 100% Brand New |
| Rated Payload Capacity | 50 – 80 Tons (Mining / Off-Road Rated) |
| Overall Dimensions (L×W×H) | 12,500–13,000 × 2,500–2,600 × 1,550–1,750 mm |
| Frame Architecture | Heavy-Duty Closed Box-Beam Main Member Construction |
| Compatible Container Size | One 40ft Mining Container, or Two 20ft Heavy Ore/Mineral ISO Containers |
| HS Code | 8716391000 |
| International Certifications | ISO9001, CCC, CE, DOT, SGS |
Key Structural & Performance Features
1. Extreme Off-Road Frame & High-Tensile Box-Beam Structure
- High-Tensile Steel Construction: Fabricated using Q345B, Q550, or T700 high-tensile structural steel plates, featuring heavy-gauge box-beam cross-sections that prevent chassis twist across deeply rutted haul roads.
- Automated SAW Welding: Robotic Submerged-Arc Welding (SAW) combined with $CO_2$ gas-shielded welding guarantees absolute structural joint integrity under continuous dynamic off-road shock loading.
- Heavy-Duty Box-Beam Mainframe: Closed-section box-beam design delivers significantly higher torsional rigidity compared to standard I-beam frames, ensuring maximum resistance to frame warping under uneven payload distributions.
- High-Clearance Undercarriage: Elevated chassis ride height and sloped crossmember gussets prevent ground impact and axle snagging on unpaved terrain and rocks.
- Precision ISO Twist-Locks: Heavy-duty cast steel locking mechanisms and reinforced corner pedestals anchor heavy mineral and ore containers firmly against violent shaking.
2. Axle, Suspension & Off-Road Braking Systems
- Heavy-Duty Mining Axles: 2, 3, or 4 heavy-duty axles (FUWA, BPW, or specialized mining-grade brands; 16T / 20T capacity per axle) built to withstand severe dynamic impacts.
- Reinforced Multi-Leaf Suspension: Heavy-duty multi-leaf spring suspension system with thickened equalizer beams and heavy-duty torque rods built for maximum roll stability on unpaved grades.
- Deep-Tread Off-Road Tires: Fitted with specialized high-ply deep-tread off-road tires (e.g., 12.00R20 or 12.00R24) mounted on extra-heavy steel rims for superior traction and puncture resistance.
- High-Capacity Braking System: Dual-line pneumatic braking system featuring large brake drums, emergency relay valves, automatic slack adjusters, and full ABS compliance for safe stopping on steep mining inclines.
3. Operational Accessories & Logistics Setup
- Landing Gear & Kingpin: 28-Ton or 35-Ton heavy-duty two-speed landing gear (JOST / FUWA) paired with a heavy-duty 90# (3.5") interchangeable kingpin designed for severe pulling torque.
- Protected Electrical & Lighting System: 24V 7-pin LED lighting system enclosed in heavy-duty steel light cages with armored wiring conduits meeting mining safety regulations.
- Standard Utility Add-ons: Heavy-duty steel mudguards with anti-spray flaps, dual spare tire carriers with mechanical winches, rock deflectors, and a weather-sealed tool box.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main box-beam frame and structural welds; 1-Year warranty for axles, suspension, and 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 flat-rack containers.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
