80T 5 Axle Flatbed High Strength Steel for Heavy Transport
5 Axle Heavy Duty Flatbed Trailer for Engineering Machinery Transport
A 5 axle heavy duty flatbed trailer is the only sensible choice when you move 80-ton excavators, bulldozers, or crawler cranes daily. Unlike standard 3‑axle flatbeds that crack under concentrated track loads, this trailer uses HG70 high‑tensile steel and a reinforced crossmember layout (300 mm spacing) to handle real heavy machinery without frame fatigue.
We see too many buyers regret saving money on a 3‑axle “heavy duty” trailer. After six months of moving CAT 374 excavators, you get:
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Blown tyres every 1,500 km
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Cracked suspension brackets
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Fines at weighbridges
A genuine 5 axle heavy duty flatbed trailer costs ~35% more upfront but lasts 4x longer under real 80t loads and keeps you legal on most routes without escort.
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
Concentrated load capability
The deck and crossmember spacing (300 mm) are designed for track‑laying machinery. Where standard flatbeds deform under a 30t excavator’s track pads, the double web main beam distributes the point load without permanent bending.
Low loading angle
Removable gooseneck (RGN) style available. Fixed flatbed version includes a rear ramp with 12° approach angle – allows self‑propelled loading without extra equipment.
5‑axle stability
At 80t gross weight, braking distance is 15% shorter than common 3‑axle overloaded setups. The extra axles also reduce tyre blowout risk on unpaved job sites.
Weld integrity
Full penetration welding on main beam, with ultrasonic test report available per batch. No porosity or undercut – essential for mines and infrastructure projects where a frame crack means weeks of downtime.