Hydraulic Self-Steering Axle Skeletal Trailer
The Hydraulic Self-Steering Axle Skeletal Trailer is an elite, heavy-duty intermodal transport chassis engineered specifically to conquer tight terminal layouts, urban roundabouts, and complex industrial routing. Featuring advanced hydraulic forced-steering or self-steering rear axle geometries, it drastically reduces tire scrub, minimizes cornering resistance, and dramatically tightens the turning radius of ultra-long multi-axle configurations. Fabricated using high-tensile Q345B/Q550 structural steel and automated submerged-arc welding, it delivers supreme structural rigidity, extended tire life, and effortless maneuverability under extreme payload 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 | Hydraulic Self-Steering Axle Skeletal Trailer / Forced-Steering Intermodal Chassis |
| Condition | 100% Brand New |
| Rated Payload Capacity | 50 – 70 Tons (Ultra-Long Heavy Industrial Rating) |
| Overall Dimensions (L×W×H) | 14,000–16,500 × 2,480–2,500 × 1,450–1,650 mm (Customizable Lengths) |
| Steering Technology | Hydraulic Forced-Steering / Self-Steering Rear Axle Geometry with Kingpin Linkage |
| Compatible Container Size | One 40ft/45ft Heavy ISO Container, or Multiple 20ft Containers |
| HS Code | 8716391000 |
| International Certifications | ISO9001, CCC, CE, DOT, SGS |
Key Structural & Performance Features
1. Advanced Steering Chassis & High-Tensile Architecture
- High-Tensile Steel Construction: Fabricated using Q345B or Q550 high-tensile structural steel plates, designed with expanded web thicknesses to withstand the severe twisting forces generated during sharp multi-axle turns.
- Automated SAW Welding: Robotic Submerged-Arc Welding (SAW) combined with $CO_2$ gas-shielded welding guarantees absolute structural joint integrity under heavy continuous dynamic stress.
- Kingpin-Linked Hydraulic Steering System: Features a precision mechanical-hydraulic linkage connected to the kingpin or fifth-wheel pivot, automatically steering the rear axle group in sync with the tractor's turning angle.
- Drastic Tire Scrub Reduction: Eliminates lateral tire dragging (scrubbing) common in rigid multi-axle trailers, resulting in up to 30%-40% longer tire tread life and reduced rolling resistance.
- Precision ISO Twist-Locks: Heavy-duty cast steel locking mechanisms positioned securely to anchor long-format or heavy industrial containers against severe cornering forces.
2. Steering Axles, Suspension & Pneumatic Braking Systems
- Hydraulic Steering Axle Configurations: Equipped with 3, 4, or 5 heavy-duty axles where the rear 1 or 2 axles feature hydraulic forced-steering knuckle assemblies (FUWA, BPW, or specialized heavy-duty brands; 13T / 16T capacity per axle).
- Suspension Options: Heavy-duty multi-leaf spring suspension or balanced air suspension systems calibrated to maintain stable wheel tracking and load sharing across articulating axles.
- Tire & Rim Setup: 12 to 16 heavy-duty commercial tires paired with reinforced high-load steel rims.
- Advanced Pneumatic Braking System: Dual-line pneumatic braking system featuring emergency relay valves, automatic slack adjusters, and full ABS compliance ensuring powerful, controlled stopping safety.
3. Operational Accessories & Logistics Setup
- Landing Gear & Kingpin: 28-Ton or 30-Ton two-speed heavy landing gear (JOST / FUWA) with reinforced base plates and standard 50# (2") or 90# (3.5") interchangeable kingpins equipped with steering linkage mounts.
- Electrical & Lighting System: 24V 7-pin LED lighting system with waterproof wiring harnesses and oversized vehicle clearance markers meeting international road safety directives.
- Standard Utility Add-ons: Heavy-duty steel mudguards with anti-spray flaps, dual spare tire carriers, and a lockable weather-sealed tool/hydraulic reservoir box.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main frame structure; 1-Year warranty for axles, hydraulic steering cylinders, and suspension components.
- Delivery Lead Time: 35 – 45 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).
