40ft 3 Axle Flatbed Semi Trailer for Container Haulage| Single Point Suspension

Why Choose This 40ft 3 Axle Flatbed Semi Trailer?

Payload: 40 tons (legal for most markets)
Suspension: Single point (prevents chassis twist)
Axles: 3 x 10–13t, optional sliding tandem
Application: 20ft/40ft containers, machinery, steel coils

Built on Real Manufacturing Experience

We manufacture in Liangshan, China – a global semi-trailer hub with over 20 years of export experience. Every unit undergoes:

Magnetic particle weld inspection
Air brake leak test (30 min)
125% load test before shipment

Single Point Suspension – Why It Matters for Container Haulage

Unlike standard spring suspensions that transfer twisting to the chassis, our single point system uses a central pivot. Field data from 200+ units shows 30% fewer chassis cracks on unpaved roads.

[Image alt: 40ft 3 axle flatbed semi trailer single point suspension container haulage]

Trust & Compliance

ISO 9001 certified facility
DOT compliant lighting and brake system (WABCO valves)
Pre-delivery inspection report included per unit

Get a Factory Quote

Tell us your required axle spacing, tire brand, and landing gear preference. We reply within 24 hours.

Related: Flatbed vs Lowbed Comparison | Suspension Types Explained

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 tri-axle heavy-duty structure

The entire vehicle adopts a high-strength steel flatbed frame with a tri-axle design, which is optimized for 20/40-foot container transportation, ensuring even load distribution and greater stability for long-distance transportation.