09-10-2025, 10:09 PM
ID：1826606
- Brand: Doosan
- Model: DH300-7
- Year of Manufacture: 2011
- Hours: 13,000 hours
- Location: Liaoning - Anshan City
The 2011 Doosan DH300-7 is a heavy-duty hydraulic excavator positioned in the 30-ton class, designed primarily for demanding earthmoving and construction projects. This unit, with 13,000 operating hours, is currently located in Anshan, Liaoning Province, and is priced at $19,662, making it a notable option in the used equipment market for contractors seeking performance with affordability.
Manufacturer Background
Doosan, a South Korean conglomerate founded in 1896, entered the construction equipment industry through the acquisition of Daewoo Heavy Industries in 2005. The DH series quickly became a flagship line, with the DH300-7 representing an upgraded generation of reliable medium-to-large excavators. By 2011, Doosan had already expanded to over 90 countries, selling tens of thousands of excavators annually, and positioning itself as one of the top five global construction equipment manufacturers.
Technical Parameters
- Operating weight: 30 tons
- Power source: Conventional diesel power
- Configuration: Crawler excavator with backhoe bucket
- Manufacturer: Joint venture and import production
- Operating hours: 13,000
Historical Development
The DH300 series was developed to balance fuel efficiency with robust performance. The seventh-generation upgrades included reinforced structural components, advanced hydraulics for smoother operation, and an operator-friendly cabin. Doosan’s continuous improvements targeted both developing markets and mature economies, where durability and cost efficiency were major considerations.
Market Value and Sales Data
In the global used equipment market, 30-ton excavators from major brands like Caterpillar, Komatsu, and Doosan generally range between $18,000 and $30,000 depending on age and condition. The listed price of $19,662 places this unit in the competitive segment, especially for contractors in Asia who value Doosan’s service network and relatively lower maintenance costs compared to some competitors.
Applications in Construction
- Earthmoving and trenching in road projects
- Mining and quarry loading operations
- Demolition tasks with customized attachments
- River and port dredging work
- Infrastructure foundation projects
For a unit with 13,000 hours, buyers should focus on:
- Checking hydraulic pump pressure and cylinder seals
- Inspecting undercarriage wear, especially track chains and rollers
- Testing engine compression and fuel system efficiency
- Reviewing service history for oil change intervals and component replacements
In 2012, a construction firm in Northeast China deployed several DH300-7 units for highway expansion projects. Operators reported that, even after continuous operation in freezing winter conditions, the excavators delivered consistent performance with only minor maintenance. Such durability helped the company finish ahead of schedule, highlighting the machine’s adaptability.
Conclusion
The 2011 Doosan DH300-7 combines proven reliability, cost-effectiveness, and availability of spare parts, making it a practical investment for contractors. While its hours indicate heavy usage, with proper inspection and targeted refurbishment, it remains a valuable workhorse in medium to large-scale projects.
