Tra type

Short Description:

Quick Details

Use: Trailer Parts

Parts: Trailer Suspension

OEM No.: oem

Max Payload: 16T

Size: customized

Place of Origin: Shandong, China

Brand Name: DADA

Model Number: thousands of types

Color: As required

Certificate: ISO9001:2001,TS16949:2009

Thickness: from 6mm to 56mm

Width: from 44.5 to 150mm

Truck Model: truck and trailer

Supply Ability

Supply Ability: 100000 Set/Sets per Year

Product Detail

Product Tags


We supply kinds of leaf springs used in truck, trailer, bus, farm trailer and boat trailer.

OEM and customized are available.

Including Double-Eye Leaf Spring, Slipper Leaf Spring popular in American market. These light duty leaf springs, with USA standard, can be used in Boat Trailer, Cargo Trailer, Farming Trailer and so on.

For American Series Leaf Spring, they may have many Part Numbers, such as SW4B,it also called72-42/LIB-401-DE/UNA212/PR4B/124903/9150014/93184, but they are same thing, just because different company uses different part number.

Welcome inquiring with part number or drawings,we will be pleased to supply good quality and high performance product to you.


Specification and details

1.Product Name

Leaf Spring


Conventional LF, Parabolic LF, Z type LF


 from 6mm to 56mm


Leaf,clip,center bolt, nylon bushings


By OEM No. or Customized


Black,red,gray,blue,Galvanized etc.




ISO9001:2000 /TS16949

9.Truck,trailer,bus suitable

Boat Trailer, Cargo Trailer, Farming Trailer, all light duty trailers

Packing by pallets and suitable for seaworthy   

1.  We supply many kinds of leaf spring with different capacity.

2.  Conventional Leaf Spring,Parabolic Leaf Spring,Boat Trailer Galvanized Leaf Spring. Small Trailer Leaf Spring,Z-type Leaf Spring And Multi-Leaf Spring are available.

3.  Besides general size Leaf Spring, we can make by customers' request or drawings.

Packing & Delivery

Packaging Details: standard wooden box or pallet

Port: Qing Dao

Lead Time: within 10 days after receiving the deposit


A leaf spring made out of many leaves in various layers piling at the peak of each other frequently began with progressively smaller leaves. These were eventually utilized to give comfort to passengers riding heavier cars. As of this time, leaf springs are detained to big commercial cars and some SUVs. The parabolic type is the latest design of the leaf spring, which is frequently utilized in buses for the reason that it gives a more amusing riding experience. Though it is known as a leaf spring, it doesn’t truly have much impression to a leaf. Basically, it is composed of a big portion of steel which has other smaller ones fixed to it. The sheets are centered on the piece to give a broad and uneven “V” shape.

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