Pneumatic Twist-Lock Automated Skeletal Trailer
The Pneumatic Twist-Lock Automated Skeletal Trailer is an advanced, high-efficiency intermodal transport chassis engineered to maximize operational safety, accelerate turnaround times, and eliminate manual labor in container loading and unloading zones. Equipped with heavy-duty air-actuated remote-controlled twist-locks, it allows drivers to securely lock and unlock container corner castings pneumatically from the tractor cab or a safe ground control valve without manual lever twisting. Fabricated using high-tensile Q345B/Q550 structural steel and automated submerged-arc welding, it delivers supreme structural durability and state-of-the-art port logistics automation. 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 | Pneumatic Twist-Lock Automated Skeletal Trailer / Remote-Actuated Intermodal Chassis |
| Condition | 100% Brand New |
| Rated Payload Capacity | 40 – 55 Tons (Automated Port & Terminal Optimized) |
| Overall Dimensions (L×W×H) | 12,500–13,000 × 2,480–2,500 × 1,350–1,550 mm |
| Twist-Lock System | Heavy-Duty Pneumatically Actuated Retractable Twist-Locks with In-Cab / Valve Control |
| Compatible Container Size | One 40ft High-Cube / Standard ISO Container, or Two 20ft Containers |
| HS Code | 8716391000 |
| International Certifications | ISO9001, CCC, CE, DOT, SGS |
Key Structural & Performance Features
1. Pneumatic-Actuated Chassis & High-Tensile Architecture
- High-Tensile Steel Construction: Fabricated using Q345B or Q550 high-tensile structural steel plates, designed with reinforced corner pockets and protective internal routing channels for pneumatic control lines.
- Automated SAW Welding: Robotic Submerged-Arc Welding (SAW) combined with $CO_2$ gas-shielded welding guarantees absolute structural joint integrity under continuous high-frequency terminal stress.
- Air-Actuated Twist-Locks: Equipped with heavy-duty forged steel retractable twist-locks driven by robust pneumatic cylinders, eliminating the physical strain and safety hazards of manual lever twisting.
- In-Cab & Ground Control Valves: Features an integrated pneumatic control panel and dashboard-linked switching circuit that allows operators to engage or disengage all corner locks simultaneously within seconds.
- Safety Interlock & Sensor Feedback: Integrated mechanical locking pins and electronic proximity sensors provide visual or acoustic confirmation in the cab when containers are fully locked and secure for transit.
2. Axle, Suspension & Pneumatic Braking Systems
- Heavy-Duty Axle Configurations: 2 or 3 premium axles (FUWA, BPW, or equivalent premium brands; 13T capacity per axle) designed for intensive stop-and-go terminal handling.
- Suspension Options: Smooth-riding air suspension systems or heavy-duty multi-leaf spring options engineered for stable load distribution and reduced shock transmission.
- Tire & Rim Setup: 8 to 12 low-rolling-resistance commercial tires paired with 8.25-22.5 or 11.00R22.5 high-efficiency steel rims.
- Advanced Pneumatic & Control Braking System: Dual-line pneumatic braking system featuring dedicated auxiliary air reservoirs for the pneumatic lock circuit, emergency relay valves, and full ABS compliance.
3. Operational Accessories & Logistics Setup
- Landing Gear & Kingpin: 28-Ton two-speed heavy landing gear (JOST / FUWA) and standard 50# (2") or 90# (3.5") interchangeable kingpins.
- Electrical & Control System: 24V 7-pin LED lighting system paired with weather-sealed pneumatic solenoid valve enclosures and pressure-regulated supply lines.
- Standard Utility Add-ons: Heavy-duty steel mudguards with anti-spray flaps, dual spare tire carriers, and a lockable weather-sealed tool/pneumatic control box.
Commercial & Logistics Terms
- Warranty Policy: 3-Year warranty for the main frame structure; 1-Year warranty for pneumatic cylinders, twist-lock mechanisms, axles, 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 Container.
- Payment Terms: T/T (Telegraphic Transfer), L/C (Letter of Credit).
