3 Axle 40ft Flatbed Semi Trailer for Sale | Container & Machinery Transport

A 40ft flatbed semi trailer is one of the most versatile assets in the heavy haulage industry. Whether you need to move shipping containers, construction machinery, or industrial equipment, this trailer type delivers unmatched flexibility and payload capacity.

Why Choose a 40ft Flatbed Semi Trailer?

Unlike enclosed vans, a 40ft flatbed semi trailer allows top and side loading, making it ideal for oversized or irregular cargo. Common applications include:

20ft and 40ft shipping containers
Excavators, bulldozers, and backhoes
Steel coils, pipes, and construction beams
Heavy pallets and industrial machinery

Thanks to its 3‑axle configuration, a 40ft flatbed semi trailer ensures legal weight distribution and higher gross vehicle weight (GVW) limits – critical for long‑distance or cross‑border transport.

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

40-foot Three-Axle Heavy-Duty Platform

12.2-meter length, three-axle layout, high rated load, specifically designed for transporting 40-foot containers and heavy machinery (such as excavators and road rollers), ensuring even load distribution and stable long-distance travel.