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Doosan DX420 LC-9C Crawler Hydraulic Excavator For Mining Operations / Municipal Engineering

Name: Doosan DX420 LC-9C Crawler Hydraulic Excavator For Mining Operations / Municipal Engineering
Brand: Shenzhen New LAND International Logistic Co., Ltd.
SKU: DX420LC-9C
Price: 1,090,000.00 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: Doosan

Model Number: DX420LC-9C

Payment & Shipping Terms

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Product Details

Product Description

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                                    Doosan Crawler Hydraulic Excavator, DX420 LC-9C Excavator, Municipal Engineering Hydraulic Excavator
                      

Doosan DX420 LC-9C Crawler Hydraulic Excavator For Mining Operations / Municipal Engineering

Product Description

The Doosan DX420 LC-9C Hydraulic Crawler Excavator is a tracked hydraulic excavator designed for large-scale projects under the Doosan brand. Manufactured by Doosan Construction Machinery (China) Co., Ltd., it leverages advanced technology and fine craftsmanship to suit high-performance and reliability-demanding scenarios, providing efficient excavation solutions for mining and large civil engineering projects.

Product Features

Powerful and Fuel-Efficient

Equipped with a Scania DC13 turbocharged electronic injection engine with a power output of 245kW
Integrates an intelligent fuel-saving mode and EPOS intelligent control system to adjust dynamically according to different working conditions, reducing fuel consumption

High-Efficiency and Stable Operation

Features a 2m³ large bucket design, delivering excellent digging force, travel traction, and lifting capacity
High swing torque for smooth compound operations
Wide-track crawler and reinforced structural components ensure stability and durability in complex working conditions

Convenient Maintenance

Split-type engine hood design centralizes maintenance components
Optimized fuel filter location
Long replacement cycles for hydraulic oil and other fluids reduce maintenance costs and workload

Comfortable Operation

New cab offers a wide field of vision and low noise
Equipped with a full-automatic air conditioner, adjustable suspension seat, and ergonomic control handles
Enhanced operating experience

Technical Parameters

Parameter Category	Specific Parameter
Overall Operating Weight	42,400 kg
Standard Bucket Capacity	2m³
Engine Model	Scania DC13
Rated Power	245kW (328HP)/1,800rpm
Travel Speed	3.2/5.1 km/h (Low/High)
Swing Speed	8.6 rpm
Max. Digging Radius	11,200mm
Max. Digging Depth	7,435mm
Max. Digging Height	10,490mm
Max. Unloading Height	7,310mm

Application Areas

Mining Operations: Suitable for open-pit mining tasks such as ore excavation, loading, and stripping, efficiently handling large volumes of earth and rock.

Large Infrastructure Projects: Used in highway, railway, and water conservancy projects for earthwork excavation, backfilling, and site leveling.

Construction Projects: Applied in foundation excavation and basement construction for large buildings, meeting excavation needs of varying depths and scales.

Municipal Engineering: Participates in urban road reconstruction and underground pipeline laying for earthwork operations and muck cleaning.

Frequently Asked Questions

Q: Why does the equipment's fuel consumption suddenly increase?

A: Possible causes include a clogged engine air filter, blocked fuel filter, hydraulic system leaks, or improper operation (e.g., frequent sudden acceleration, prolonged idling). Check and replace filters as needed, inspect hydraulic systems for leaks, and standardize operation habits.

Q: How to troubleshoot reduced digging force?

A: First, check hydraulic oil level and quality, replenishing or replacing as necessary. Then inspect hydraulic components (e.g., pumps, control valves) for faults such as stuck spools. Additionally, check for looseness or wear in working devices (e.g., boom, arm, bucket).

Q: What should I do if the equipment makes unusual noises?

A: Engine noises may indicate internal component wear, looseness, or poor lubrication--check oil level and belt tension. Hydraulic system noises may stem from pump wear or air in pipelines--inspect pump operation and vent pipelines. Track mechanism noises require checking crawler tracks, carrier rollers, and idlers for wear or loose connections. Stop operation immediately to prevent fault escalation.

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