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The DH300 undercarriage idler roller (also known as a front idler, idler group, or idler assembly) is a critical component for Daewoo/Doosan excavators, designed to guide the track and maintain proper tension.
Common Part Numbers and Identifiers for DH300 Idlers:
- 270-00049 / 200102-00001A: Common tracking numbers for DH300 and DH340 models.
- K1011790 / 270-00015 / 270-00063B: Often associated with DH220/DH300/DH330 front idlers.
Key Features and Specifications:
- Function: Supports and guides the track, ensuring smooth operation and preventing track derailment.
- Composition: Consists of the idler shell, internal shaft, seals, and bushings.
- Heat Treatment: Features specialized quenching-tempering processes for high wear resistance and structural strength (HRC48-58 hardness, 4-6mm depth).
- Material: Usually manufactured from 40Mn/SCMn3A or similar durable steel, with bronze bushings.
- Warranty: Typically comes with a 1-year warranty.
These idlers are often sold as a complete assembly (idler shell, tension spring, and yoke) for easier replacement.
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Excavator Undercarriage Part DH300 ... - eBay
eBay
https://www.ebay.com › itm
eBay
https://www.ebay.com › itm
3、Undercarriage Parts: Tracks, rollers, idlers, and sprockets designed to withstand heavy use and provide reliable mobility on various terrains. 4、Cab Parts ...Read more
$901.18In stock$17.51 delivery
Daewoo DH300 excavator undercarriage part front idler
Quanzhou Red Hill Engineering and Machinery Co., Ltd.
https://www.rhundercarriage.com › daewoo-dh300-exca...
Quanzhou Red Hill Engineering and Machinery Co., Ltd.
https://www.rhundercarriage.com › daewoo-dh300-exca...
Idler For Daewoo Excavator DH300 Undercarriage Parts Advantage: Adopt the unique heat treatment method on wheel body, ensure the surface hardness and hardness ...Read more
High Quality Excavator Undercarriage Parts Idler Roller for ...
Alibaba.com
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Alibaba.com
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High-Quality Construction Parts: This high-quality idler roller is designed for DH300, DH300-5, and DH300-7 excavators, ensuring optimal performance and ...Read more
Track Rollers For NIPPON SHARYO DH300 DH400-III Pile ...
Yantai Evergrowing Import and Export Co.,Ltd
https://www.craneundercarriage.com › track-rollers-for-n...
Yantai Evergrowing Import and Export Co.,Ltd
https://www.craneundercarriage.com › track-rollers-for-n...
Evergrowing is one of the most professional China suppliers of track rollers for nippon sharyo dh300 dh400-iii pile driver undercarriage parts.
Excavator Undercarriage Parts Dh300 Track Idler
Made-in-China.com
https://hetrack.en.made-in-china.com › AfBphjJVJckG
Made-in-China.com
https://hetrack.en.made-in-china.com › AfBphjJVJckG
Customization: Available. Warranty: 1 Year. Type: Excavator & Bulldozer Spare Parts. Shipping. Shipping Cost: Contact the supplier about freight and ...Read more
· Review by MIC_BUYER
Undercarriage Parts - Excavator track idler For Dh300 ...
Quanzhou Zhongkai Machinery
https://www.zkmparts.com › ... › Undercarriage Parts
Quanzhou Zhongkai Machinery
https://www.zkmparts.com › ... › Undercarriage Parts
Looking for high-quality track idler for Dh300, Dh360, Dh370, Dh420, Dh500 excavators? Our undercarriage parts are reliable and durable. Buy now!
Excavator Parts Undercarriage Part Dh150 Dh220 Dh280 ...
bestundercarriageparts.com
https://www.bestundercarriageparts.com › showroom
bestundercarriageparts.com
https://www.bestundercarriageparts.com › showroom
Front Idler DH300-8 Product introduction The structure principle of bulldozer idler roller is used to support the track and guide the track winding.
Hitachi crawler excavator undercarriage parts track ...
Xiamen Fortune Industrial Co., Ltd.
https://www.fortunepart.com › Idler
Xiamen Fortune Industrial Co., Ltd.
https://www.fortunepart.com › Idler
We mainly supply crawler excavator and dozer undercarriage parts, such as Track roller, Carrier roller, Sprocket, Idler,Recoil spring assy, Track chain, Track ...Read more
Videos about What is Excavator Parts Undercarriage Parts ...
Made-in-China.com
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Made-in-China.com
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Excavator Parts Undercarriage Parts Daewo Dh150 Dh220 Dh280 Dh300 Front Idler Chat with Supplier ... Idler Roller Parts · Construction Idler ...
Made-in-China.com · 3 weeks ago
Excavator Undercarriage Parts Carrier Roller Idler for ...
Alibaba
https://www.alibaba.com › product-detail › Excavator-...
Alibaba
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Roller material:40Mn/SCMn3A;Bracketing:QT450-10;Cover:42SiMn/40Cr;Floating Seal Cover:42SiMn;Floating seal:15CrNiMo3;O-Ring:Rubber;Double Metal ...