Ecvv Trade
Shandong Dorson Hydraulic Co., Ltd.

China Manufacturer with main products: Excavator, Excavator Parts, Loader, Crane, Road Roller, Carrier Roller, Track Roller, Sprocket

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Komatsu Bulldozer D20 Idler Assy

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Our company specializes in developing, manufacturing, exporting various of undercarriage parts and components of engineering machinery such as track roller assembly, carrier roller assembly, sprocket, idler, link assembly, track shoe, high strength bolt and nut, bucket pin and bushing etc. 
1)Material: High Manganese Steel
2)Clour: Black or Yellow
3)Waranty time: 6 months
4)Certification: SGS
5)Technique: Forging, Casting
6)Type: Track roller, bottom roller, lower roller, excavator parts
7)Packaging details: In strong fumigate wooden pallet packing
8)Delivery time: 15-45 days after order confirmed
9)Finish: Smooth
10)Suppy ability: 250, 000 piece/year, according to customers/request produce
11)USE: Construction
1)Material: 40CR or 50Mn; 
2)Surface hardness: HRC 56-62, depth 5-7 mm; 
3)Each roller shell is carefully heat treated to ensure long wear life and stress resistence; 
4)Each roller is precision machined to house special high impact low wear bi-metal bushings. 
5)Reliable and long life time guaranteed; 
6)High strength and superior wear resistence. 
Our track roller for excavators are specially designed, engineered and manufactured for high impact applications. Bulldozer track rollers are designed for applications that call for the maximum wear resistance. 
We use good material to ensure quality and consistency. 
Our heat treatment process provides hardness in high wear areas, and elastic core to resist shock and impact loads. 
Strict quality management to produce effective and stable products, and meet customer's demand. 

Model No. 
1) Komatsu: PC40, PC60-5-6-7, PC100, PC120, PC130, PC240, PC200-1-3-5-6, PC220-1-3-5, PC300-3-5, PC4001-3-5, D20, D30, D31, D50, D60, D75, D80 (D85), D155
2) Hitachi: EX40, EX60, EX150, EX100M, EX100, EX120, EX150, EX200-1-2-3, EX300-1-3-5, EX400, UH08, UH07 EX1100
3) Caterpillar: E110B, E200B (E320), E240 (MS180), E300B, E330, D3C, D5, D5B, D5D, D6C, D6D, D6H, D7G, D8K
4) Daewoo: DH220, DH280, R200, R210
5) Kato: HD250, HD400 (HD450), HD500, HD550, HD700 (HD770), HD800, HD820, HD850, DH880, HD1020, HD1220 (HD1250), HD1430, DH1880
6) Kobelco: SK07N2, SK07-7SK200, SK220, SK300, SK320
7) Sumitomo: SH120, SH200, SH280, SH300, SH400
8) Mitsubishi: MS110, MS120, MS180
9) Samsung: SE55, SE210
Model No. Above is the sizes which are the most popular for your reference only, as a manufacturer, we can also produce the size according to your drawing, please feel free to contact us for any possible business, thank you and look forward to the co-operation with you.

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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