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

Doosan DX420 LC-9C Hydraulic Crawler Excavator

​​Key Features​​

• ​​High-Power Engine:​​ Scania DC13 turbocharged engine (245kW/328HP) with intelligent fuel-saving mode

• ​​Large-Capacity Bucket:​​ 2m³ standard bucket with superior digging/loading efficiency

• ​​Enhanced Stability:​​ Reinforced undercarriage + wide crawler design for tough terrains

• ​​Operator Comfort:​​ Low-noise cab (≤72dB) with air suspension seat and auto-AC

​​Technical Specifications​​

​​Applications​​

• Open-pit mining (ore/overburden removal)

• Large-scale civil engineering (highways/dams)

• Deep foundation excavation

• Urban infrastructure development

​​Performance Advantages​​

1. ​​Fuel Efficiency​​

   • EPOS smart control reduces consumption by 15%

   • 500-hour hydraulic oil change interval

2. ​​Durability​​

   • X-shaped reinforced frame structure

   • 8,000-hour engine lifespan

3. ​​Maintenance Convenience​​

   • Centralized service points

   • Flip-up engine hood design

​​Troubleshooting Tips​​

• ​​High Fuel Use:​​ Check air/fuel filters & hydraulic leaks

• ​​Weak Digging:​​ Inspect hydraulic oil & valve blocks

• ​​Abnormal Noise:​​ Examine pumps/tracks lubrication

​​Why Choose DX420 LC-9C?​​

• 20% faster cycle times vs. 40-ton class competitors

• 3-year/5,000-hour structural warranty

• Global Doosan service network support

This 42-ton excavator delivers mining-grade performance with 11.2m max reach and 10.5m digging height, featuring Scania's Tier 4 Final compliant engine. The optimized hydraulics provide 8% higher efficiency in compound operations compared to previous models.

​​Optional Attachments​​

• Heavy-duty rock bucket

• Vibro hammer

• Demolition grapple