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2021 Doosan DH420LC-7

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Product Description

Expand your operational capacity with this 2021 Doosan DH420LC-7 excavator, currently available in Wenzhou, Zhejiang. Built for high-demand environments, this 42-ton machine delivers consistent performance across multiple jobsites with its robust Doosan DE12TIS engine producing 210 kW at 2000 rpm. Contractors managing fleet rotations will appreciate the dual 315 L/min main pumps and water-cooled system that ensure reliable uptime during extended shifts.

  • Operating Weight: 41,200 kg with 1.44–2.18 m³ bucket capacity
  • Reach Specifications: 11,520 mm max digging radius, 7,725 mm digging depth
  • Hydraulic Power: 242.1 kN bucket digging force, 34.3 MPa working circuit
  • Arm Options: 2,600/3,250/4,000 mm rod lengths for task-specific configuration
  • Mobility: 3.3–5.5 km/h travel speed, 3,660 mm rear swing radius

Manufactured in Yantai with joint-venture engineering standards, this excavator integrates seamlessly into existing Doosan fleets while providing backup capability for peak production periods. Ready for immediate deployment in earthmoving, foundation work, and large-scale excavation projects

SpecificationsValue
No.1044605
Tonnage (tons)42
Working weight (kg)41200
Bucket capacity (m³)1.44-2.18
Boom length (mm)6700
Rod length (mm)2600/3250/4000
Country of originYantai, Shandong Province
powerTraditional power
manufacturerJoint venture/Import
bucketbackhoe
Engine typeDoosan DE12TIS
Rated power (kw/rpm)210/2000
Cooling modewater-cooling
Rotation speed (rpm)9.5
Bucket digging force (kN)242.1/264.6
Rod digging force (kN)218.5/139.1; 176.4/193.1; 152.9/166.6
Travel speed (km/h)3.3-5.5
Maximum flow of main pump (l/min)2 x 315
Traveling Hydraulic Circuit (Mpa)26.5
Rotary Hydraulic Circuit (Mpa)26.5
Main pump typeParallel inclined axial piston pump
Working Hydraulic Circuit (Mpa)Standard 31.4/ Supercharged 34.3
Pilot pump flow (L/min)24
Total transport length (mm)11690
Total transport width (mm)3350
Total transport height (mm)3575
Full cab height (mm)3150
Counterweight ground clearance (mm)1277
Minimum ground clearance (mm)540
Back end turning radius (mm)3660
Onboard width (mm)2990
Total track length (mm)5215
Track gauge (mm)2750
Track plate width (mm)600
Total track width (mm)3350
Track ground length (mm)4250
Maximum digging radius (mm)11520
Maximum digging depth (mm)7725
Maximum excavation height (mm)11000
Maximum unloading height (mm)7845
Maximum vertical digging depth (mm)4400
Maximum excavation radius of stop surface (mm)11310
Maximum effective digging depth (mm)7570
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Overview

No.1044605

Brand Name:

Doosan

Model Number:

DH420LC-7

Year:

2021

Location:

Zhejiang China

Pub Date

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