30Ton Doosan Dx300 Used Hydraulic Excavator

Product Introduction

The Doosan DX300LC-9 has established itself as a notable presence in the 30-ton excavator segment, recognized for its balanced performance in various heavy-duty operations. As a pre-owned model from the reputable Doosan brand, it offers a practical solution for construction and industrial projects requiring reliable digging and lifting capabilities. This unit, available through Shanghai Ruilan Engineering Machinery Co., Ltd., maintains key functionalities that make it suitable for diverse work environments.

Core Advantages

Hydraulic System Performance

The hydraulic system of the Doosan DX300LC-9 features optimized components, including a dual variable piston pump and a load-sensitive design. This configuration contributes to a 15% increase in response speed during operation, facilitating more efficient handling of materials. The boom and stick incorporate a dual-circuit regeneration system, which helps reduce energy consumption in cyclic movements.

Operator Environment

The cab of this excavator has been upgraded to enhance operator comfort during extended work periods. It is equipped with a floating air seat, and the panoramic view design improves visibility by 20%, aiding in safer maneuvering on job sites. These features contribute to a more controlled and less fatiguing work experience.

Durability Features

Several structural enhancements contribute to the machine's durability. The X-shaped frame structure has been reinforced, extending its service life by a notable margin. The working components utilize thicker plates, with an increase in thickness of around 10%, to withstand heavy loads and frequent use. An optional automatic centralized lubrication system is available to simplify maintenance routines.

Operational Efficiency

In terms of work output, the Doosan DX300LC-9 delivers competitive digging power within its tonnage class. Its engine, rated at 151kw, provides sufficient power for demanding tasks while maintaining reasonable fuel efficiency. Maintenance intervals are extended to 500 hours, reducing downtime for routine checks.

Application Scenarios

This 30-ton excavator is suitable for a range of applications, including:

Mining operations

Large-scale earthwork projects

Infrastructure construction (roads, bridges, etc.)

Port and dock handling

Deep foundation construction

Company Support

Shanghai Ruilan Engineering Machinery Co., Ltd. offers comprehensive support for this product, including quality management protocols and after-sales services. The company provides access to parts and technical assistance to ensure the excavator remains operational. For inquiries, potential buyers can use the contact information provided on the official platform, with options to inquire directly or add the product to a basket for further processing.