Product descriptions
2025 Used Doosan 300 Crawler Excavator Introduction
The Doosan 300 is a heavy-duty 30-ton class large crawler excavator, widely trusted by global large-scale contractors, mining teams and infrastructure engineering companies. Renowned for its extreme power output, ultra-durable structure, stable heavy-load performance and high residual value, this Korean original heavy machine features a solid integrated body design, low failure rate and cost-effective maintenance. It is specially built for high-intensity and harsh working conditions, perfectly suited for large-scale earthmoving, quarry mining, mountain demolition, river dredging, large foundation excavation and major infrastructure construction projects.
Equipped with an original high-power turbocharged diesel engine, the Doosan 300 delivers strong torque reserve and sustained powerful power output, fully supporting long-duration uninterrupted heavy-load and ultra-heavy-load operation. Adopting Doosan’s advanced intelligent hydraulic matching and energy-saving control technology, the machine achieves a perfect balance between explosive digging force and reasonable fuel consumption, effectively reducing comprehensive operation costs for large projects. The high-precision load-sensing hydraulic system provides stable, smooth and responsive operation, with superior breakout force, deep digging depth and ultra-high lifting capacity, fully competent for heavy rock breaking, bulk material loading, large-area land leveling and high-intensity mining operations.
The Doosan 300 is equipped with super-thickened and reinforced heavy-duty boom, arm and bucket, constructed with high-strength wear-resistant alloy steel. The upgraded heavy-duty reinforced undercarriage adopts thick track shoes, strengthened track chains and durable walking devices, featuring excellent compression resistance, impact resistance and wear resistance. It can operate stably in extremely harsh environments such as mining sites, rugged mountain roads, muddy wetlands and steep slopes. The optimized large chassis weight distribution greatly enhances overall body stability, effectively suppressing body shaking during heavy-duty operation and greatly extending the service life of key structural components.
This high-power heavy excavator supports multiple heavy-duty optional attachments, including large-capacity heavy-duty digging buckets, reinforced mining rock buckets, large hydraulic breakers, stone grapples and demolition arms. It can freely switch between large-volume earthmoving, hard rock crushing, bulk material handling and site rough finishing, fully meeting the high-intensity construction demands of mines, large infrastructure, water conservancy projects and road reconstruction.
If you are looking for a cost-effective second-hand 30-ton heavy-duty excavator with strong power, ultra-durable structure and stable heavy-load performance, the 2025 used Doosan 300 crawler excavator is your ideal investment choice for mining, large-scale earthmoving, water conservancy and major civil engineering projects.
About us
Feikai Machinery is a top‑tier Chinese supplier specialized in used excavators. We deliver one‑stop‑shop service covering excavator sales, spare‑parts supply, machine modification, ocean transportation and overseas import customs‑clearance.
Reliable‑quality construction machinery and thoughtful export‑oriented service make Feikai Machinery your trustworthy supplier. Our firm supplies high‑performance second‑hand diggers and cost‑effective brand‑new excavators from well‑known brands including Caterpillar, Sany, Komatsu and Hitachi.
Every used excavator receives strict mechanical inspection and hydraulic system testing before stock‑in, to guarantee excellent working status for global buyers. Apart from qualified digging equipment, we supply complete after‑sales guidance and professional export procedure support, to realize smooth cargo delivery and fast‑on‑site operation.
We provide 1‑year warranty for core machine components. Relevant official documents are available, such as manufacturer certification, Certificate of Origin, EPA approval, SGS inspection report and CE qualification certificate.
Cases
Accessories are provided
FAQs
Who are we?
Our headquarters is located in Hefei, Anhui,China. Our products are sold to counties such as Africa,Southeast Asia, and South America. There are 50 people in our office in total.
Why can we trust you?
Before ordering. you can send an agent to inspect the machines and our company. We provide CE, EPA IS014001, and ISO901 certificates.
What are your payment terms?
Via wire transfer, Western Union, cash, 30%s down payment upon order, 40%s after booking, and the remaining 30%s against of bill of lading.
Will our company provide any services for the machine?
Yes! Before delivering it to you, we will test, inspect, maintain, clean, and disinfect the machine.
How can customers conduct inspections and quality checks in China?
We strongly recommend that you visit our site to inspect our equipment. Please contact us to arrange a convenient time for a visit.
How is the warranty?
Within 12 months after shipment or 3000 operating hours.
Can you ship directly to my port? How much is the shipping cost?
We ship to all main ports worldwide Shipping cost changes by port & container type.tell your destination por, we quote exact freight separately.
How do we ensure quality?
First of all, we have obtained international quality system certification. Secondly, Alibaba Group has completed on-site verification of our factory. Finally, you may entrust an individual third-party institution to inspect our products before shipment.
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