
13.7 M Low Bed Semi Trailer
Product discripution13.7 M low bed semi trailer
|
Item |
Description |
Configuration Parameter |
Feature Advantage |
|
Overall Dimension |
Vehicle Approved Size |
13.75m three-axle low bed trailer |
Legal for domestic road transportation, widely called 13.7m model |
|
Main Frame Material |
Welding Steel |
Integrated Q355 high strength alloy steel |
Light tare weight, strong anti-deformation capacity under heavy load |
|
Ramp System |
Rear Loading Ramp |
Mechanical spring assisted ladder |
No hydraulic oil leakage risk, easy manual operation, low maintenance cost |
|
Running System |
Axle & Suspension |
3-axle balanced suspension + wear-resistant vacuum tires |
Evenly buffer road bumps, fully protect transported construction machinery |
|
Gooseneck Structure |
Traction Front Section |
One-piece bent sunken gooseneck |
Lower vehicle gravity, excellent turning and passing performance |
|
Loading Deck |
Cargo Platform |
Anti-slip patterned steel plate with low ground clearance |
Load over-height equipment without disassembly |
|
Parking Support |
Landing Leg |
Dual independent mechanical telescopic legs |
Support loading & unloading without tractor connection |
|
Circuit & Air Brake Interface |
Front Connection Parts |
Standard quick plug connectors |
Compatible with all mainstream tractor head models |
|
Safety Accessories |
Warning Fittings |
Full perimeter reflective strips + standard rear taillights |
Improve visibility and driving safety day and night |
|
Applicable Transport Goods |
Suitable Cargo |
Excavators, loaders, road rollers, drill rigs |
Perfect for cross-region long-distance machinery haulage |

Integrally bent gooseneck with large radian transition lowers overall vehicle gravity, compatible with all types of tractor heads and offers excellent turning passability.
Multiple groups of bolt reinforcement holes reserved on gooseneck side for optional accessories like guard plates and toolboxes.
Dense longitudinal reinforced cross beams under flatbed with hollow weight-reduction holes, realizing lightweight while maintaining load strength.
External ramp retraction locking mechanism with intuitive operating handle; single person can lock/unlock ladder frame easily.
Full set of quick-connect air & electrical interfaces integrated at gooseneck front, standard partitioned red/yellow/black pipelines for easy inspection and maintenance.
Double-layer thickened web plate welded gooseneck main body with strong torsion & bending resistance, free of deformation after long-term transport of excavators and drill rigs.
Symmetric layout of dual independent parking legs with thick base pads, no sinking when parking on cement or gravel ground.
Split dual ramps vertically stored close to rear, without occupying effective loading width of flat cargo deck.


Thickened built-in buffer springs inside dual ladders absorb shock during machinery loading/unloading, preventing frame damage from impact.
Full set of national standard taillights, reverse reflective marks and anti-collision rubber bumpers integrated at rear, compliant for road operation with high night driving safety.
Stamped anti-slip concave-convex texture on ladder surface boosts friction for tracked equipment, eliminating slipping and rollover risks during loading.
Chain safety latches matched with ramps lock ladder firmly under heavy load, no shaking or abnormal noise at high speed.
Standard compliant overall length with ultra-long flat cargo area, capable of transporting various engineering equipment including excavators, loaders and road rollers.
Three equally spaced axle balanced suspension system evenly distributes bump load, protecting equipment chassis during long haul transport.
Continuous reflective strips wrapped around full vehicle side for clear body contour recognition, safer driving on mountain roads and at night.
Streamlined narrowed front gooseneck reduces high-speed wind resistance and cuts fuel consumption of tractor.

PROFESSIONAL TEAM
7x24 Delivery Service

300+
employee
2000+
orders
0.3+
KM2
20,000
units+
Q1: What is the trailer size? Is it legal for nationwide registration and road use?
This is a standard 13.75m three-axle low-bed semi-trailer with official approval. It is fully legal for registration, annual inspection and nationwide road transportation.
Q2: Are the ramps hydraulic or mechanical spring type? What are the advantages?
It is equipped with mechanical spring-assisted ramps without hydraulic system. It features simple structure, zero oil leakage risk, low failure rate and low maintenance cost, ideal for long-term heavy-duty construction transport.
Q3: What are the core advantages of the low-bed design? Can it carry over-height equipment?
Adopting sunken low-bed design with ultra-low deck height, it can directly load over-height and integral heavy machinery without disassembly, greatly improving loading efficiency and trafficability.
Q4: What is the frame material? Will it deform under heavy load?
The whole frame is integrally welded with Q355 high-strength alloy steel. It features light dead weight and high rigidity with excellent torsion and bending resistance, keeping stable and free of deformation under long-term heavy load of excavators, drill rigs and road rollers.
Q5: How about the overall adaptability and driving safety?
Equipped with three-axle balanced suspension to evenly buffer road bumps and protect transported equipment. Fitted with national standard taillights and full-circle reflective strips, matched with independent parking legs for stable loading and high night driving safety. It is compatible with various tractors and adapts to most road conditions nationwide.
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