JD 450G 650G 750B 850B 750J 850J front idler

FOB Reference Price:Get Latest Price
US $10-40 / Piece | 2 Piece/Pieces USD5000 (Min. Order)
Supply Ability:
1000 Piece/Pieces per Month according to customer request produce
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Quick Details
Place of Origin:
Fujian, China (Mainland)
Brand Name:
Model Number:
JD Idler for 450G 650G 750B 850B 750J 850J
machine type:
bulldozer,crane,excavator,track vehicle
Packaging & Delivery
Packaging Details
In strong fumigate wooden pallet packing
Delivery Time
Within 30 days after contract established

We have JD Idler for 450G
650G  750B  850B  750J    850J


The  Medium Range offers an innovative, reliable and economical set of solutions to your undercarriage needs; for  bulldozers, excavators, old machines or special designs; providing you with the right answer to your specific requirements.

  • A complete line of undercarriage components for track-type machine classes ranging from 7 to 50 ton and 140-228,6 mm (5.51"-9”) chain pitch
  • Dry, greased, sealed or lubricated chain versions, heavy duty chains, more than 11,000 configurations
  • Any configuration available with single, double, triple grousers
  • Cast, forged or fabricated idler types, more than 500 configurations
  • Single flange, double flange or inner flange rollers, more than 1,500 configurations
  • More than 600 configurations of sprockets and segments
  • Low and high temperature versions for extreme applications
  • Undercarriage for special applications: conveyor, pipeline handling, milling machines, forest machines…

1. Product Information






Black or yellow


Forging casting

Surface Hardness




Warranty time

2000 hour



FOB Price

FOB Xiamen USD 10-40/Piece


2 piece

Delivery Time

Within 30 days after contract established


2. Design / Structure / Details Pics





Advantages / Features:

1. Choose wide range of track pad  which were hot rolled by single reinforcement, double reinforcement is suitable for pitch range from 101mm to 260mm track link.

 2. We have different specifications of track pads from standard type to high wear reisistan type can meet all customers's different need.

 3. We can make casting and forging track pad  which was used in mine and other special working conditions.

 4. The track pad  was made of special alloy boron steel material and after properly heat treatment, it can play under bend and high-wear effect in any working conditions.


3. Workshop products







Compatible models:

Pitch 228mm, single grouser track pad  for bulldozer:

1) D8H, D8K, D8L, D8N 2) Komatsu:D120A, D135A, D150A, D155, D275

Pitch 135mm, triple grouser track shoe for excavator:1

) Pc40r, pc45, pc60, pc60u

 2) Hitachi:Ex45, ex40

3) Kobelco:K903, k903a, k903b, k903c


Pitch 190mm, triple grouser track pad  for excavator:

1) Kota:HD900

2) Kobelco:K909, SK150LC, SK160LC, SK200, SK210, SK220LC

3) PC150, PC180, PC200, PC210, PC220, PC230, PC240

4) Liebherr:R902LC R912HDSL, R922HDSL, R932HDS

5) 219, 225, 315, 317, 318, 320, 322, E200B, E240, E330

6) Hitachi:EX200, EX210H, EX220

Pitch 216mm, triple grouser track shoe for excavator:

1) Kato:Hd1500, hd1800, hd1880

2) Kobelco:Sk300, sk400, k914, k916

3) Pc300, pc350, pc360, pc400, pc450

4) Liebherr:Hs841, hs842, hs850, r952, r954, r961, r962, r965, r971

5) Mitsubishi:Ms350, ms380, ms450, cat:235, 330, e450

 6) Hitachi:Ex400, uh14, uh16, uh171, uh172, uh181

7) Hyundai:R350, r420, r450lc

8) Hyundai:R200LC, R210LC

9) JCB:JS200, JS220

10) Mitsubishi:MS160L, MS230, MS240, MS270, MS280, MS300


Pitch 171mm, single grouser track pad  for bulldozer:

D4D, D4E, D4H, D5C, D5M, D6, D6B, 561B, 561C, 561D, 561H, 933, 939, 935, 941, 943

 Pitch 203mm, single grouser track shoe for bulldozer

1)D6C, D6D, D6E, D6G, D6H, D6R, D7, D7C, D7D, D8, D8D, D8E, D8G

2)D60A, D60E, D60F, D60P, D60S, D65A, D65E, D65P, D65S, D68E, D68P, D75A


Pitch 216mm, single grouser track pad  for bulldozer:

1) D7E, D7F, D7G, D7H

2) D60A, D60E, D60F, D60P, D60S, D65A, D65E, D65P, D65S, D68E, D68P, D75A


Our products are according to the standard of OEM to manufacture.