2 Axle Skeleton Semi Trailer
Heavy Duty Shipping Chassis for ISO Container Transport
ZW Group 2-Axle 40ft Container Skeleton Semi-Trailer – Robust. Lightweight. Reliable.
Optimized for intermodal shipping, this 2-axle 40ft container skeleton semi-trailer delivers low tare weight, superior durability, and unbeatable value—ideal for long-haul container transport.
Product / Description
ZW Group 2-Axle 40ft Container Shipping Skeleton Semi-Trailer is engineered for the modern freight and logistics industry.
Designed to transport standard 20ft and 40ft ISO containers, this skeleton trailer features a lightweight yet durable chassis, superior structural integrity, and optimized configurations—offering increased payload capacity, lower fuel consumption, and easy maintenance.
With a focus on intermodal transport, long-haul logistics, container shipping, and export transport, this semi-trailer is perfectly suited for ports, depots, shipping lines, and road carriers seeking high-performance equipment.
Product Features
2.1 Universal Advantages
Lightweight chassis design – optimized steel profile reduces tare weight, enabling higher payload whilst maintaining road stability.
High-strength steel frame – built with Q345 steel (or equivalent), ensuring durability even under high stress and repeated cycles.
Anti-corrosion coating – advanced multi-layer primer and topcoat paint system (zinc-rich primer + epoxy + polyurethane topcoat) for long-lasting protection against rust, sea-salt, and harsh climates.
Cost-effective pricing – optimized production techniques reduce cost, delivering exceptional value for freight operators.
2.2 Component-Level Advantages
A) Paint / Finishing
Multi-layer protective coating: zinc-rich primer, epoxy primer, and polyurethane topcoat, offering excellent adhesion, UV resistance, and corrosion protection.
Optional custom colors or corporate branding available upon request.
B) Axles
Two heavy-duty axles, rated at 13 tons each (standard), with options for 16 ton rating.
Output shafts and bearings produced by high-quality suppliers (e.g., BPW, SAF, FUW) featuring seal protections and easy serviceability.
C) Wheels & Tires
Steel rims (22.5" or 24.5") from reputable suppliers, ensuring structural integrity and precision.
Radial tubeless tires, standard size 385/65R22.5 or 275/70R22.5, with optional premium brands (e.g., Michelin, Nokian) available.
D) Suspension System
Parabolic leaf springs or air suspension options:
Parabolic for rugged durability and low maintenance;
Air suspension for improved ride comfort, load distribution, and optional lifting/lowering features.
E) Landing Gear & Coupling
Heavy-duty landing gear, dual-speed crank, with integrated support pad—capable of 60 tons static load.
Option for hydraulic or pneumatic support legs for automated deployment.
Standard ISO-aligned 5th wheel kingpin coupling, compatible with global tractor units.
F) Lighting & Electrical
LED combination lights (tail, brake, turn, marker) – energy-saving and long-lasting.
ISO 1185 & 3731 electrical connectors, with 7-pin trailer harness and optional ABS/EBS wiring for braking systems.
Specifications
Specification | Standard Value | Optional Upgrade |
|---|---|---|
Trailer Type | 2-Axle 40ft Container Skeleton | — |
Chassis Material | High-strength Q345 steel | HSLA or alloy steel |
Tare Weight | Approx. 5,500 kg | Lightweight design ≤ 5,200 kg |
Payload Capacity | Up to 33,500 kg | ADR/regulated variants |
Axle Configuration | 2 × 13 ton axles | 2 × 16 ton heavy-duty axles |
Suspension | Parabolic leaf springs | Air suspension |
Tire Size | 385/65R22.5 or 275/70R22.5 radial tires | Premium tires (Michelin, Nokian) |
Rim Size | 22.5" or 24.5" | Alloy rims available |
Landing Gear Capacity | 60 tons | Hydraulic/pneumatic upgrade |
Paint System | Zinc primer + epoxy + polyurethane | Custom colors, branding |
Lighting System | LED combination + 7-pin wiring harness | ABS/EBS wiring |
Kingpin Coupling | ISO standard 2" | 3.5" or 4" ISO rails optional |
Dimensions | 40 ft × ~8 ft × ~5 ft (L×W×H) | Custom dimensions on request |
Compliance & Standards | ISO 668, CSC plate ready | ADR, CIM, or other regional certs |
Load Testing & Verification
Static Load Test – Chassis subjected to 110 % design load (e.g., ~36,850 kg on skeleton) to verify structural integrity.
Dynamic Load Testing – Optional field or lab tests simulating road vibrations, bump impact, and road endurance.
Safety & Compliance – Swing tests for landing gear, brake function tests, and light functionality checks.
Certificate of Conformity – Issued after successful testing, along with inspection reports.
Packaging & Shipping
Surface Protection – Steel-to-steel contact points (e.g., wheel hubs, kingpin) wrapped with protective film.
Corrosion Safeguards – Use of VCI paper and desiccant bags for maritime shipping.
Container or Ro-Ro Packing – Depending on the client’s logistics, trailers can be:
Disassembled and container-packed (for compact export), or
Shipped via Ro-Ro (roll-on/roll-off) with frame protectors and lashings.
Marking & Documentation – Each trailer labeled with serial number, order ID, CSC plate, paint code, packing list, and user manual in English (and optional languages).
FAQ
Q1: What is a skeleton semi-trailer used for?
A: It’s designed for container transport, allowing efficient 20ft/40ft container loading and unloading—widely used in intermodal transport, container haulage, and export logistics.
Q2: What is the tare weight of the 2-axle 40ft skeleton trailer?
A: Standard tare weight is about 5,500 kg, with lightweight versions available at around 5,200 kg.
Q3: Can it carry both 20ft and 40ft containers?
A: Yes—ISO twist locks are adjustable for multiple container types, making this trailer versatile for mixed transport needs.
Q4: What suspension options are available?
A: You can choose between durable parabolic leaf spring suspension or smoother, load-evening air suspension systems.
Q5: Is the paint resistant to corrosion and marine environments?
A: Absolutely—with a multi-layer anticorrosion paint system combining zinc-rich primer, epoxy layer, and polyurethane top coat—ideal for coastal or high-salt applications.
Q6: Do you provide customized colors or branding?
A: Yes—with options for custom paint colors, corporate logo branding, and fleet-specific numbering.
Q7: What standards and certifications does it meet?
A: Our trailers are ISO 668/CSC plate–ready and can be built to ADR or other regional standards as required.
Q8: How is the trailer delivered and packaged?
A: We provide secure, VCI-protected packaging, with options for containerized crate packing or Ro-Ro shipping, complete with documentation and manuals.
Q9: What documentation comes with the trailer?
A: Engineering drawings, load calculations, material specification, inspection reports, user manual, and certificate of conformity.
Q10: How long does production and delivery take?
A: Typically, manufacturing lead time is 25–35 working days, plus shipping time—varies by destination.
