Flat Bed Trailers

40FT 3 Axle Flatbed Semi Truck Trailer Container Semi Trailer for Sale

The chassis uses Q345B steel main beams and 16# channel side beams, with mechanical suspension and 12R22.5 tyres. It is built to standard dimensions of 12400 x 2480 x 1550mm and features a JOST 2" or 3.5" kingpin, WABCO RE6 relay valve, and optional ABS. The trailer is suitable for export to markets where container transport is the primary use case.

Use OtherTrailers
Size 12400*2480*1550mm
Suspension MechanicalSuspension
Material Steel
Paint Polyurethanepaint

Ask for a Price on WhatsApp Email the Specification

Stock number held for this listing: 10506

Side view of a 40ft 3-axle flatbed semi-trailer with 12R22.5 tyres and mechanical suspension

Key Benefits

What This Unit Does Well

3-axle layout supports 60T payload, ideal for full container loads on long-haul routes
Q345B steel main beams and 16# channel side beams provide high strength and rigidity
Mechanical suspension with 10-ply leaf springs offers reliable performance on rough roads
JOST kingpin and heavy-duty landing gear ensure secure coupling and stable handling
Polyurethane paint finish resists corrosion in humid and coastal environments
Optional ABS and WABCO braking system improve safety during loaded stops

Application Scenarios

Where It Is Used

Container transport between inland depots and seaports on mixed asphalt and gravel roads
Flatbed hauling of construction equipment and machinery across African and Southeast Asian markets
Long-distance freight where consistent payload capacity and trailer durability are critical
Fleet expansion for logistics companies needing a standardised, high-capacity trailer

Fit

Who It Is For

Fleet owners adding container transport capacity to existing operations
Contractors needing a durable trailer for moving heavy equipment between job sites
Logistics operators sourcing trailers for export to Russia, Africa or Southeast Asia
Dealers stocking semi-trailers for resale in markets with high container traffic

Buyer Pain

Problems It Solves

Inconsistent payload capacity due to weak or undersized trailer frames
Frequent suspension failure on rough terrain from low-grade leaf springs
Lack of spare parts availability for non-standard or unbranded trailers
Difficulty in securing export documentation due to missing certifications
Uncertainty over axle and kingpin compatibility with local tractor heads

Engineering

Technical Features

3-axle configuration with FUWA / BPW / HJ optional axle brands
Mechanical suspension with 10pcs leaf springs, 90mm width x 13mm thickness
JOST 2" or 3.5" bolt-in or welding-type kingpin for secure coupling
WABCO RE6 relay valve and T30/30 spring brake chamber for reliable braking
40L air tanks and optional ABS system for improved safety
12R22.5 tyres from Double Star, Triangle or Linglong brands, 12 per trailer
12mm thick floor with 3mm checkered plate for slip resistance and wear
14mm top flange and 16mm bottom flange on main beam, 500mm height
LED side lights (8) and rear lights (2), width lamps (2) for visibility
Complete chassis sandblasted, primed and painted with two coats of polyurethane

Specification

Specification Table for This Listing

Taken from the supplier specification we hold. Anything not listed here is confirmed in writing before order rather than assumed.

Specification of 40FT 3 Axle Flatbed Semi Truck Trailer Container Semi Trailer for Sale
Use	OtherTrailers
Size	1240024801550mm
Suspension	MechanicalSuspension
Material	Steel
Paint	Polyurethanepaint
Axle	FUWA/BPW/HJoptional
Tire	12R22.5Doublestar/Triangle/Linglongbrand
Function	Transport20ft40ftcontainer
Type	Semitrailer
Certificate	CCCISO9001:2008BVSGS
Trailer Type	Semi trailer
Length	12400 mm
Width	2480 mm
Height	1550 mm
Max Payload	60 T
Axles	3
Axle Brands	FUWA / BPW / HJ optional
Leaf Spring Size	10pcs x 90mm x 13mm
Tyre Size	12R22.5
Tyre Brand	Double Star / Triangle / Linglong
Kingpin Size	2" (50mm) or 3.5" (90mm)
Kingpin Brand	JOST
Braking System	WABCO RE6 relay valve, T30/30 spring brake chamber
Air Tanks	40L
ABS	Optional
Lighting	LED 8 side lights, 2 rear lights, 2 width lamps

Materials

Materials and Build

Q345B steel for main beams and structural frame
16# channel steel (Q235) for side beams
10# channel steel (Q235) for cross members
3mm checkered steel plate for floor surface
12R22.5 radial tyres from Double Star, Triangle or Linglong
JOST brand kingpin and landing gear components
Polyurethane paint for corrosion protection

Process

How an Order Is Handled

You provide the container size, route profile and loading frequency
We confirm axle brand, suspension type and twist lock count based on current stock
You approve the final specification sheet including paint, tyre brand and kingpin size
Trailer is built, tested and photographed before shipment
We book RoRo or container shipment and issue export documents for customs clearance

Quality Control

Checks Before Loading

Chassis dimensions and weld integrity are checked before painting
Axle alignment and kingpin fit are verified before final assembly
Brake system pressure test and air tank integrity check are recorded
Paint thickness and adhesion are measured at multiple points
Final inspection includes full lighting and twist lock function test
Photos and video of the trailer are sent before loading

Customisation

What Can Be Changed

Axle brand: FUWA, BPW or HJ as specified
Tyre brand: Double Star, Triangle or Linglong
Kingpin size: 2" (50mm) or 3.5" (90mm)
Twist lock count: 4, 8 or 12 pcs, lifting or screw type
Paint colour: Custom colour available on request
Landing gear: Manual two-speed, heavy duty, JOST brand

Honest Comparison

How It Compares With the Alternatives

2-axle flatbed trailer	The 3-axle version supports 60T payload, but has higher fuel cost and maintenance on empty runs
Air suspension trailer	Mechanical suspension is cheaper and easier to maintain, but offers less ride comfort on rough roads
Non-ISO certified trailer	This trailer carries CCC, ISO9001:2008 and BV/SGS certificates, which are required for import in Russia and Africa

Use Guide

Using It Well

Check air brake system pressure and brake chamber clearance monthly
Inspect floor plate for wear and replace if thickness drops below 2mm
Keep spare tyres and twist lock tools in the standard tool box for roadside use

Photographs

More Views of This Unit

Photographs held for this listing. Current yard photographs of the specific unit you shortlist are taken fresh before any balance is paid.

Front view of the trailer showing the JOST kingpin and landing gear

Rear view of the trailer with twist locks and LED lighting

Top-down view of the flatbed floor with 3mm checkered plate and cross members

Close-up of the mechanical suspension and leaf spring assembly

Detail of the polyurethane paint finish and chassis structure

Source Specification

Manufacturer Text We Hold for This Listing

40FT 3 Axle Flatbed Semi Truck Trailer Container Semi Trailer for Sale Product Description FLATBED SEMI TRAILER Tare weight 7 000kg Size 1 30 00mm*2500mm* 15 00mm P ayload 60 T Main beam Top flange 14mm, width140mm; Middle Flange 8mm; height 500mm; bottom flange16mm, width 140mm; Material is Q345B Steel S ide beam 16# channel steel(Q235) C ross member 10# channel steel(Q235) F loor 3mm checkered plate Axle 3 /4 A xle FUWA /HJ/BPW brand 13 /16 T Suspension Mechanical suspension American type local brand or Air suspension L eaf spring 10pcs *90(W)mm*13(Thickness)mm or 12*100*12mm Tire 12R22.5 D ouble star /Triangle brand 12pcs Wheel rim 9.0-22.5 better brand 12pcs Kingpin JOST brand 2" /3.5 '' bolt-in king pin or welding type Landing gear JOST brand two-speed, manual operating,heavy duty landing gear 2 8 T T wist lock 4/8/ 12pcs Lifting type or Twist Screw Type optional Braking system WABC

Reproduced from the supplier specification. Figures are confirmed in writing on the proforma invoice before any deposit.

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