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2020 Doosan DH420LC-7

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Product Description

Built for contractors who can't afford downtime, this 2020 Doosan DH420LC-7 delivers 42-ton class performance with the reliability your fleet demands. Powered by a Doosan DE12TIS engine producing 210 kW at 2,000 rpm with water-cooling, it handles the heaviest site conditions without hesitation. Currently located in Zhejiang, China and ready for export.

With a maximum digging depth of 7,725 mm and a reach of 11,520 mm, this backhoe excavator covers serious ground on large civil, mining, and infrastructure projects. Bucket digging force peaks at 264.6 kN, backed by dual 315 L/min axial piston pumps and a working hydraulic circuit supercharged to 34.3 MPa.

  • Working weight: 41,200 kg | Bucket capacity: 1.44–2.18 m³
  • Boom: 6,700 mm | Rod options: 2,600 / 3,250 / 4,000 mm
  • Maximum excavation height: 11,000 mm | Unloading height: 7,845 mm
  • Travel speed: 3.3–5.5 km/h | Rotation speed: 9.5 rpm
  • Track plate width: 600 mm | Track gauge: 2,750 mm
  • Transport dimensions: 11,690 × 3,350 × 3,575 mm

Adding a proven 40-ton excavator to your rotation keeps production moving when primary machines are under service. This DH420LC-7 is a practical, high-capacity asset for any contractor scaling up operations or managing multi-site workloads.

SpecificationsValue
No.1071122
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.1071122

Brand Name:

Doosan

Model Number:

DH420LC-7

Year:

2020

Location:

Zhejiang China

Pub Date

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