DX420LC-7 Crawler Excavator

DX420LC-7 Crawler Excavator

CATEGORY: Crawler Excavator
MANUFACTURER: Doosan
MODEL: DX420LC-7

Engine

  • Model
    DC13
  • Rated Flywheel Power (Gross)
    344.6 hp @ 1800 rpm
  • Rated Horse Power (Net)
    337.9 hp @ 1800 rpm
  • Max. Torque (Net)
    1,143 lbf·ft @ 800 rpm
  • Engine Emissions Tier (EPA)
    Tier 4
  • Engine After Treatment
    CEGR + DOC + SCR
  • Engine Make
    Scania
  • Engine Number of Cylinders
    6
  • Engine Displacement
    775 in³

Hydraulic System

  • Main Pump: Displacement
    11.29 in³/rev
  • Main Pump: Max. Flow Rate (each)
    87.97 gal/min
  • Main Pump: Quantity
    2
  • Main Pump: Main Relief Pressure
    4700 psi

Undercarriage

  • Upper Rollers: Quantity Per Side
    2
  • Lower Rollers: Quantity Per Side
    8
  • Track Length
    17' 0"
  • Track Link: Track Gauge
    9' 0"
  • Ground Clearance
    1' 11"
  • Ground Pressure
    7.82 psi

Swing Mechanism

  • Swing Performance: Max Swing Torque
    95,837 lbf·ft
  • Swing Performance: Max Swing Speed (At Efficiency)
    9.4 rpm

Travel System/Drive Mechanism

  • Travel performance: Traction Force (Highest Value)
    95,769 lbf
  • Travel performance: Traveling Speed - Low (XXX/)
    2.05 mph
  • Travel performance: Traveling Speed - High (/XXX)
    3.36 mph
  • Travel performance: Gradeability
    35 ° @ 70 %

Weights

  • Operating Weight
    97,718 lbs
  • Standard Boom Length
    21' 11"
  • Standard Arm Length
    10' 7"
  • Standard Bucket Size
    2.51 yd³
  • Shoe Width
    2' 11"

Dimensions

  • Shipping Height - Hose (With Attachment)
    11' 4"
  • Shipping Length (Without Attachment)
    38' 6"
  • Shipping Width (Standard)
    12' 11"
  • Overall Height Over Cab
    10' 6"

Working Range

  • Max Digging Reach (Ground)
    36' 9"
  • Max Digging Height
    34' 9"
  • Max Digging Depth
    25' 0"
  • Max Loading Height
    10' 1"

Digging Force (ISO)

  • Bucket Digging Force - Pressure up
    55,078 lbf
  • Arm Digging Force - Normal
    41,365 lbf

Refill Capacities

  • Fuel Tank
    166.43 gal
  • Hydraulic System
    97.74 gal
  • Engine Coolant
    13.95 gal
  • Engine Oil
    11.89 gal
  • Hydraulic Tank
    70.01 gal

Environment

  • Noise Level: Guaranteed Sound Power Level
    105 dBA
  • Noise Level: Operator
    71 dBA

Lift Capacity

  • Lifting Capacity over front @ Horizontal Distance - 10 ft Above Ground
    45,270 lbs @ 15 ft
  • Lifting Capacity over front @ Horizontal Distance - Ground Level
    46,130 lbs @ 15 ft
  • Lifting Capacity over front @ Horizontal Distance - 10 ft Below Ground
    46,340 lbs @ 15 ft
  • Lifting Capacity over front @ Horizontal Distance - 3m Above Ground
    45,261 lbs @ 14.76 ft
  • Lifting Capacity over front @ Horizontal Distance - 3m Below Ground
    46,341 lbs @ 14.76 ft
DX420LC-7 Crawler Excavator
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