Reliable Heavy Duty 3 Axle 40ft Flatbed Trailer for Heavy Cargo Transport

When hauling heavy cargo, such as steel coils, large machinery, concrete beams, and 20 or 40-foot containers, the biggest fear is an unreliable trailer—bending, cracking, or collapsing are all unacceptable. Our three-axle 40-foot flatbed trailer is designed for these tough jobs. With a 40-ton load capacity and reinforced main beams, it can handle heavy loads every day with ease and stability.

Key Specifications

Feature	Specification
Deck length	40 ft (12.2 m)
Deck width	8 ft – 8.5 ft (2.44 – 2.59 m)
Payload capacity	40,000 kg (80,000 lbs)
Axles	3 x 10–13 tons (BPW / Fuwa / custom)
Suspension	Single point, mechanical spring, or air
Brakes	Dual line air brake, WABCO valves, ABS ready
Main beam	500 mm height, high‑tensile steel
Tires	12R22.5 (or 315/80R22.5)
Kingpin	2 inch bolt type, replaceable

Specifications

Length: 20/40/45 ft, Customizable
Dimensions: 7000mm-13950mm*2500mm*1570mm-1600mm, Customizable
Load capacity: 20-80 tons, Customizable
Axles: 2/3/4 axles, each axle rated at 13/16 tons, customizable
Type: Gooseneck or tandem
Material: Steel or aluminum
Main beam material: Q345/T700
Suspension: Mechanical suspension or air suspension
Leaf spring: 90mm*13mm*10pcs/90mm*16mm*10pcs
Tires: 12R22.5* 8/12/16 pieces
King Pin: #50(2″)/#90(3.5″), JOST/other brands
Landing gear: 28 tons, two-speed, JOST/other brands
Twist locks: 4-12 sets
Paint: Electrophoretic paint
Other customizable options: Stakes or side walls, rims, ABS, reflective tape, LED lights, toolboxes, etc

If you need to customize a flatbed semi-trailer or want to obtain more product specifications, please contact us via message or WhatsApp

Technical Specifications

Reinforced Main Beam Structure

Utilizing high-strength steel and reinforced ribs, the vehicle’s bending and torsional resistance is significantly improved, easily supporting 40-foot containers and heavy machinery without deformation over long-term use.