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| Categories | Excavator Top Roller |
|---|---|
| Brand Name: | CCJT |
| Model Number: | DH300 |
| Certification: | ISO.CE |
| Place of Origin: | Fu Jian China |
| MOQ: | 5 PCS |
| Payment Terms: | T/T, L/C |
| Supply Ability: | 12000 sets/month |
| Delivery Time: | 5-8 work days |
| Packaging Details: | Standard Export Strong Paper Box, Wooden Pallet |
| Condition: | 100% Brand-new |
| Marketing Type: | Hot Product 2022 |
| Dimension: | Standard |
| Terms Of Payment: | 30% Downpayment,70% Before Shipment |
| Type: | Single Flange/Double Flange |
| Heat Treatment: | Quenching And Tempering |
| Company Info. |
| Quanzhou Jintai Machinery Co., Ltd., |
| Verified Supplier |
| View Contact Details |
| Product List |
| Attribute | Value |
|---|---|
| Condition | 100% Brand-new |
| Marketing Type | Hot Product 2022 |
| Dimension | Standard |
| Terms Of Payment | 30% Downpayment,70% Before Shipment |
| Type | Single Flange/Double Flange |
| Heat Treatment | Quenching And Tempering |
| Certification | ISO.CE |
The DH300 Top Roller is a precision-engineered component designed for 30-Ton Doosan DH300-series excavators. This lug-pattern carrier roller ensures durability, excellent load-bearing capacity, and smooth operation in demanding construction environments.
The DH300 top roller is a critical wear part in the undercarriage system of DH300-series excavators (including Daewoo DH300, DH300LC-7 models). Its primary function is to support the upper run of the rubber track, reducing friction between the track and excavator frame while ensuring smooth, consistent movement during operation. As a load-bearing component, it withstands repeated vertical and horizontal forces from the track, making durability and precision essential to prevent track slippage, uneven wear, and costly downtime.


A: We have over ten years of export experience and operate our own bushing factory. CCJT specializes in multiple resource integration with strong quality assurance and excellent service.
A: Typically 5-8 days after order confirmation, depending on quantity.
A: Standard product samples are free; customers cover shipping costs which are refundable with order placement.
A: We manufacture to confirmed specifications with strict quality control, including production inspections and final pre-shipment checks.
A: We welcome all customers regardless of order size and are committed to mutual growth.
WhatsApp: +86 15859569569
WeChat: +86 15159760767
Email: jackie@qzcjt.com
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