High strength and load-bearing trailer suspension system

Suspension is a connection device between the axle and the frame, which is used to transmit force and torque, reduce the impact of the road surface on the body, reduce the body vibration caused by the road surface fluctuation, and ensure the smooth running of the vehicle.

The trailer suspension system of DARO Group has the features of strong rigidity, high load-bearing capacity, and reliable performance. With its new structural design, the trailer suspension system can evenly distribute the load points on different axles, resulting in significantly increased bearing capacity, simple structure, low manufacturing cost, small installation space, and more convenient maintenance.


Equalizer bush: bronze/mixed material

Hanger thickness: 6MM,8MM for option

Equalizer thickness: 10MM,12MM for option

Torque arm: 28mm,36mm




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Product Details

Products Description


The trailer suspension system sold by DARO Group has strong rigidity and high load-bearing capacity. The leaf spring has the guiding function and can transmit force and moment in all directions. The spring can also be combined in a certain way to make the leaf spring show linear or nonlinear elastic characteristics. In addition, the number of reeds is closely related to the load-bearing capacity, the more the number of reeds, the higher the thickness, the stronger the rigidity of the reed, the bearing force will increase, of course, its own weight can not be underestimated.


trailer suspension system


trailer suspension system


Suspension Model
A1 (mm)
A1* (mm)
A2 (mm)
A2* (mm)
A3 (mm)
A3* (mm)
H (mm)
Carrying Capacity
(kg)
DR13.3001
380
340
370
330
365
325
135
13000*3
DR13.3002
400
360
390
350
385
345
155
13000*3
DR13.3003
430
390
420
380
415
375
185
13000*3
DR13.3004
460
420
450
410
445
405
215
13000*3
DR13.3005
480
440
470
430
465
425
235
13000*3
DR13.3006
500
460
490
450
485
445
255
13000*3
DR13.3007
520
480
510
465
505
465
275
13000*3


trailer suspension system

The trailer suspension system sold by DARO Group consists of a reed with thin ends and thick middle, equal width and equal length, which reduces noise caused by friction and improves the driving comfort of the vehicle to a certain extent. It is recommended that the owner try to choose the plate spring produced by the regular brand, after all, the suspension is directly related to the load bearing of the vehicle, especially heavy-duty vehicles, and it is better to be cautious when choosing the product.


Application Scenario


trailer suspension system

Steel plate suspension is the oldest and oldest suspension structure. Before the birth of the automobile, it has been widely used in horse-drawn carriages; After the birth of the automobile, many of the structural features of the automobile also evolved from the carriage. In the design of small cars, off-road vehicles, trucks and even some armored vehicles and tanks at that time, steel plate suspension was almost the only way of suspension; As a practical, reliable and economical product, steel plate suspension has been widely used in many fields of automobile manufacturing.

At present, the common suspensions in the commercial vehicle market are mainly leaf spring suspension and air suspension. Although the call for air suspension has become more and more popular in recent years, it is still difficult to shake the market application rate of 80% of leaf spring suspension. Although the spring suspension is not as good as the air suspension in terms of shock absorption performance and self-weight, it has simple structure, low cost and maintenance cost, strong rigidity and high load-bearing force.


Package & Delivery



trailer suspension system


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