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Quick Details

  • Use: Trailer Parts
  • Parts: Trailer Suspension
  • OEM No.: TRA2727
  • Size: 20 x 76-3
  • Place of Origin: Fujian, China (Mainland)
  • Brand Name: WONDEE
  • Model Number: TRA2727 Leaf Spring
  • Type: Parabolic Leaf Spring
  • Spare Parts No.: 355-00
  • Width: 76mm
  • Thickness: 20mm
  • Pieces: 3
  • Weight: 25.83kg
  • Material: SUP9
  • Certificate: ISO9001,TS16949,COC,CIQ,CE,ADR,DOC

Packaging & Delivery

Packaging Details Parabolic Rear Steel Trailer 76x20 TRA2727 Leaf Spring Package: by pallets,25T in 1*20'GP
Delivery Time About 7 Working Days






TRA2727 Leaf Spring Dimension: 


1.Product Name

TRA2727 Leaf Spring

2.OEM No.





Parabolic Leaf Spring



6.Spare Parts No.




8. Part no.:
TRA3340,TRA3343 55-067,55-144,55-192,55-400,55-896,55-930


TRA2727 Leaf Spring Specification:


1.Components: Leaf, Clip, Center Bolt

2.Color: Red, Shinning Black, Dark Black, Grey, Blue

3.Materials:SUP6, SUP7, SUP9, SUP9A, SUP10, SUP11 and SUP11A are available.

4.Quality level: excellent quality for international market, made in China, WONDEE brand

5.Certificate: ISO9001; TS16949; COC; PVOC; CIQ; SONCAP; BV; C/O; FORM E.


7.Our products are popular in the worldwide market, including North American, South American, European, African
and Southeast Asian markets and so on.


The Detail Photos About LEAF SPRNG:



Leaf Spring Use Instruction :


     Leaf Spring is one of cells in auto suspension system,the main function is transmiting all force and monments between
wheels and car frame,relax impactive load caused by the road surface and realize vehicle guidance,makes vhehicles a
normal drive.It is a necessary compenent of truck,trailer,special cars and other vehicles.

During the usage,the following maintaining and servcing are necessary.

1. After drive for a certain mileage,U-bolt of leaf spring should be screwed,in cese of such accidents as malposition of the leaf spring,aberrancy of the car or the breakage from center hole which can all be caused by the looseing of the U bolt.

2. After drive for a certain mileage,eye bushing and pin should be checked and lubricated in time.If bushing is badly worn,it should be replaced in order to avoid the eye sending out noise.At the same time ,such phenomena as the distortion of leaf spring and aberrancy of the car caused by the imbalanced wear of the bushing can also be avoid.

3. After drive for a certain mileage,the assembly of leaf spring should be replaced in time, and leaf spring of both sides should be checked to see if there is any disaccord between both sides camber in order to avoid wear of the bushing can also be avoided.

4. As for new car or those with newly replaced leaf spring car, U-bolt shoule be checked after every 5000 kilometers’driving to see if there is any loose it loose.During driving,much attention should be paid to some unusual sound from the chassis,it may be the sign of dislocation of leaf spring or the loose of U-bolt or the breakage of the leaf spring 













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