Semi-trailer platform ZW-Trailer

ZW Group 3‑Axle Extendable Flatbed Semi‑Trailer is a heavy-duty, high-load transport solution engineered for versatile container hauling, oversized machinery, and industrial freight.
Product Description
ZW Group 3 Axle Extendable Flatbed Semi Trailer is a highly versatile and durable transport solution designed for long, oversized, and heavy cargo.   With an adjustable platform that extends to accommodate extra-length loads such as wind turbine blades, steel pipes, prefabricated structures, or machinery.
ZW Group is a leading semi trailer manufacturer in China, known for high-performance trailers built for strength, adaptability, and safety. Our 3 axle extendable flatbed trailer delivers performance for industries like construction, energy, mining, and infrastructure development.
Product Features
General Advantages
1.Premium Painting & Anti-CorrosionOur trailers are coated with automotive-grade polyurethane paint, using advanced sandblasting and baking technology. The surface treatment ensures excellent resistance to corrosion, weathering, and rust, guaranteeing longer service life and reduced maintenance.
2.Modular DesignThe trailer’s structure is designed for easy customization. You can choose various lengths, loading capacities, and optional accessories to suit different applications.
3.OEM & ODM AvailableZW Group offers OEM manufacturing and customized branding for bulk orders, supporting your business growth.
Core Components
1. Axles & Suspension
Brand Options: FUWA, BPW, or ZW branded heavy-duty axles
Axle Configuration: 3 axles with tandem or tridem arrangements
Air or Mechanical Suspension:
Optional mechanical spring suspension for rugged terrains
Air suspension available for smoother, adjustable ride
2. Tyres
High-Quality Tubeless or Radial Tyres from brands like Triangle, Linglong, or Double Coin
Standard spec: 12R22.5 or 385/65R22.5
Optional tire pressure monitoring system (TPMS)
3. Extendable Chassis
Extension Range: Base length typically 13,000 mm, extendable up to 23,000 mm
Manual or Hydraulic Extension mechanism available
Heavy-duty locking pins ensure safety and stability
4. Braking System
WABCO or Haldex Air Brake System with dual-line pneumatic circuit
ABS optional for enhanced road safety
5. Landing Gear & Kingpin
28-ton twin-speed landing gear
2” or 3.5” JOST or ZW kingpin
Detail Advantages
1.Heavy-Duty Steel Structure:Made from Q345B or Q550 high-tensile steel, our trailers ensure high load-bearing strength while keeping structural weight optimized.
2.Reinforced Gooseneck & Side Beam:Enhanced load distribution and improved safety in long-distance or rough-road transport.
3.LED Lighting System:Equipped with waterproof, energy-efficient LED signal lights compliant with international standards.
4.Customized Accessories:Available add-ons include toolboxes, spare tire holders, twist locks, container pins, and more.
Technical Drawings
We provide detailed 2D and 3D drawings upon request. CAD and PDF formats are available for pre-sale approvals or engineering evaluation.
Key drawing features:
Axle spacing and load distribution
Chassis extension ranges
Twist-lock and stake positions
Lighting and brake system layout
Item
Specification
Product Name
3-Axle Extendable Flatbed Semi Trailer
Dimensions
L: 15000mm (extendable to 23000mm), W: 2550mm, H: 1600mm
Total Height from Ground
500mm
Upper Plate Thickness
Upper: 14mm, Lower: 16mm, Middle: 8mm
Curb Weight
9,950kg (±3%)
Chassis Material
Q345 or T700 (choose based on load requirements)
Side Beam
180mm hot-rolled "C" channel steel
Axle Brand/Qty
JOST, 3 pcs
Beam Material
Q345 or T700 hot-rolled “C” channel steel
Support Legs
Double-speed type
Suspension System
Mechanical Suspension
Tire Specs
12R22.5-18PR，RR99
Brake System
13T×3 sets, brake pad size 420×220mm
Electrical System
24V, 7-core connector
Load Testing
To guarantee durability and on-road reliability, all ZW Group trailers undergo load capacity testing:
Dynamic Load Testing using hydraulic pressure simulation
Static Load Test at 1.5x rated load for frame integrity
Road Test Drive on rugged terrain to check suspension & balance
Packaging & Delivery
Shipping Method: Bulk shipment, RO-RO, or flat rack container
Protection:
Anti-rust coatings on exposed parts
Edge protectors and shrink wrapping for vulnerable areas
Lead Time: 15-25 working days depending on customization
1. What is the maximum extension length?
Standard trailers can extend from 13 meters to 23 meters.   Custom extension ranges are available upon request.
2. What is the payload capacity?
Payload ranges from 30 tons to 80 tons depending on the configuration.
3.Do you offer customization?
Yes.   We offer full customization on chassis length, extension range, suspension type, axle brand, color, logo, and more.
4.What is the warranty policy?
We offer a 1-year warranty for main structural components and a 6-month warranty for wearing parts like suspension, brakes, and tires.
5.Can I inspect the trailer before shipment?
Absolutely.   You can send a third-party inspector or request a live video inspection with our team.
6.What countries do you ship to?
ZW Group exports to over 70 countries including Nigeria, South Africa, Indonesia, Philippines, UAE, Chile, Peru, Saudi Arabia, and more.
ZW Group is a global leader in semi trailer design and manufacturing, offering custom extendable flatbed trailers tailored to your transport needs. With state-of-the-art facilities, quality control systems, global logistics support, and professional after-sales service, we ensure our trailers deliver long-term value for your business.
Contact us today to request a quotation, design draft, or technical consultation!
Product origin: Shandong, China (Mainland)
Delivery time: 20-30days
Supply capacity: 300 sets/month
Item: Specification
Product Name: 3-Axle Extendable Flatbed Semi Trailer
Dimensions: L: 15000mm (extendable to 23000mm), W: 2550mm, H: 1600mm
Total Height from Ground: 500mm
Upper Plate Thickness: Upper: 14mm, Lower: 16mm, Middle: 8mm
Curb Weight: 9,950kg (±3%)
Chassis Material: Q345 or T700 (choose based on load requirements)
Side Beam: 180mm hot-rolled "C" channel steel
Axle Brand/Qty: JOST, 3 pcs
Beam Material: Q345 or T700 hot-rolled “C” channel steel
Support Legs: Double-speed type
Suspension System: Mechanical Suspension
Tire Specs: 12R22.5-18PR，RR99
Brake System: 13T×3 sets, brake pad size 420×220mm
Electrical System: 24V, 7-core connector
brand: zw trailer