Doosan InfracoreConstruction EquipmentConstruction Equipment

DX520LCTECHNICAL DATA

ITEMS UNIT STANDARD

ENGINE

MODEL Doosan DV11 Diesel, Tier III Certified

NUMBER OF CYLINDERS 6

RATED FLYWHEEL POWER (hp PER SAE J1995) GROSS

hp / rpm 328 / 1,800

kW / rpm 245 / 1,800

RATED FLYWHEEL POWER (hp PER SAE J1349) NET

hp / rpm 309 / 1800

kW / rpm 231 / 1800

MAXIMUM TORQUE (GROSS) (SAE J1995)

ft. lb / rpm 1,136 / 1,300

Nm / rpm 1,540 / 1,300

PISTON DISPLACEMENTin.³ 669

cc 10,964

BORE AND STROKEin. x in. 5.0 x 5.6

mm x mm 128 X 142

STARTER V / kW 24 V, 7.0 kW

BATTERIES V / AH 2 x 12 V x 150 AH

AIR CLEANER Double element with auto dust evacuation.

MAIN PUMPS – 2 VARIABLE DISPLACEMENT AXIAL PISTON PUMPS MAX FLOW

US gpm 2 x 93.8

L / min. 2 X 355

PILOT PUMP (GEAR DESIGN)

MAXIMUM FLOWUS gpm 5.8

L / min. 22

RELIEF PRESSUREpsi 569

bar 39

MAXIMUM SYSTEM PRESSURE

BOOM/ARM/BUCKET (NORMAL MODE)

psi 4,551

bar 314

BOOM/ARM/BUCKET (POWER MODE)

psi 4,978

bar 343

TRAVELpsi 4,551

bar 314

SWINGpsi 3,698

bar 255

UNDERCARRIAGE

UPPER ROLLERS 2 & 1 (center) each track (STD. Shoes)

LOWER ROLLERS 9 each track

NUMBER OF SHOES (LINKS PER SIDE) 53 each track (Triple Grouser)

TOTAL LENGTH OF TRACKft. in. 14' 8"

mm 4,470

ENVIRONMENTSOUND LEVEL (2000/14/EC) dB(A) 106

CABIN SOUND LEVEL (ISO 6396) dB(A) 72

SWING MECHANISM SWING SPEED rpm 0 - 8.8

DRIVE SYSTEM

TRAVEL SPEED (FAST/SLOW)mph 3.1/1.9

km / h 5.0/3.1

DRAWBAR PULLlb. 74,075

kg 33,600

MAXIMUM GRADE% 70

° 35

GENERAL SPECIFICATIONS

DX520LC

ITEMS UNIT STANDARD

REFILL CAPACITIES

FUEL TANKUS gal. 163.8

L 620

COOLING SYSTEM (RADIATOR CAPACITY)

qt. 42.3

L 40

ENGINE OILqt. 46.5

L 44

SWING DRIVEqt. 4.2

L 4

FINAL DRIVE (EACH SIDE)qt. 6.3

L 6

HYDRAULIC SYSTEMUS gal. 132

L 500

HYDRAULIC TANKUS gal. 70

L 265

BOOM 23' 4" (7.1 m)

ARM 7' 10" (2.4 m)

BUCKET SAE 3.7 yd.³ (2.85 m³)

SHOE WIDTH (TRIPLE GROUSER)

OPERATING WEIGHT GROUND PRESSURE

2'0" (600 mm) STD.

111,440 lb. (50,550 kg)

12.4 psi (0.85 bar)

2'4" (700 mm)

113,650 lb. (51,550 kg)

10.1 psi (0.70 bar)

2'8" STD. (800 mm)

114,200 lb. (51,800 kg)

9.5 psi (0.66 bar)

2'11" (900 mm)

115,520 lb. (52,400 kg)

8.5 psi (0.59 bar)

The piston rods and cylinder bodies are made of high-strength steel. A shock absorbing mechanism is fitted in all cylinders to ensure shock-free operation and extend piston life.

CYLINDERS QUANITY BORE x ROD DIAMETER x STROKE

BOOM 2 6.7" x 4.5" x 5' 3" (170 x 115 x 1,610 mm)

ARM 1 7.5" x 5.1" x 6' 6" (190 x 130 x 1,980 mm)

BUCKET 1 6.7" x 4.5" x 4' 5" (170 x 115 x 1,341 mm)

WEIGHT HYDRAULIC CYLINDERS

BUCKET

A. Suitable for materials with density of 3,370 lb. / yd.³ (2,000 kg•m³) or less

B. Suitable for materials with density of 2,700 lb. / yd.³ (1,600 kg•m³) or less

C. Suitable for materials with density of 1,850 lb. / yd.³ (1,100 kg•m³) or less

CAPACITY WIDTHWEIGHT

RECOMMENDATIONS

23' 4" STD. (7,100 mm) BOOM

23' 4" STD. (7,100 mm) BOOM

SAE, HEAPED CECE, HEAPEDWITHOUT SIDE

CUTTERSWITH SIDE CUTTERS

7' 10" STD. (2,400 mm) ARM

11' (3,350 mm) ARM

2.3 yd.³ (1.73 m³)

2.1 yd.³ (1.58 m³)

48.2" (1,224 mm)

51.2" (1,301 mm)

4,037 lb. (1,831 kg)

A A

2.6 yd.³ (2.01 m³)

2.4 yd.³ (1.82 m³)

54.1" (1,374 mm)

57.1" (1,451 mm)

4,295 lb. (1,948 kg)

A A

3.0 yd.³ (2.29 m³)

2.7 yd.³ (2.07 m³)

60" (1,524 mm)

63" (1,601 mm)

4,643 lb. (2,106 kg)

A B

3.7 yd.³ (2.85 m³)

3.3 yd.³ (2.55 m³)

71.8" (1,824 mm)

74.8" (1,901 mm)

5,249 lb. (2,381 kg)

A B

4.2 yd.³ (3.20 m³)

3.8 yd.³ (2.87 m³)

79.7" (2,024 mm)

82.8" (2,101 mm)

5,734 lb. (2,601 kg)

B C

4.7 yd.³ (3.60 m³)

4.2 yd.³ (3.20 m³)

87.8" (2,229 mm)

90.8" (2,306 mm)

6,041 lb. (2,740 kg)

C C

DIGGING FORCE (ISO)

Bucket (PCSA)2.3 yd.³

(1.73 m³)2.6 yd.³

(2.01 m³)3.0 yd.³

(2.29 m³)3.7 yd.³

(2.85 m³)4.2 yd.³

(3.20 m³)4.7 yd.³

(3.60 m³)

Digging Force

55,116 lbf. 55,116 lbf. 55,116 lbf. 55,116 lbf. 55,116 lbf. 55,116 lbf.

25,000 kgf. 25,000 kgf. 25,000 kgf. 25,000 kgf. 25,000 kgf. 25,000 kgf.

245 kN 245 kN 245 kN 245 kN 245 kN 245 kN

Arm7' 10" STD.

(2,400 mm) ARM11'

(3,350 mm) ARM

Digging Force

59,525 lbf. 44,533 lbf.

27,000 kgf. 20,200 kgf.

265 kN 198 kN

DX520LCDIMENSIONS

BOOM TYPE23' 4"

(7,100 mm) BOOM

ARM TYPE7' 10"

(2,400 mm) ARM11'

(3,350 mm) ARM

BUCKET TYPE (SAE)3.7 yd.³

(2.85 m³)3.07 yd.³ (2.39 m³)

TRACK TYPE WIDE VARIABLE TRACK WIDE VARIABLE TRACK

TAIL SWING RADIUS A12' 6"

(3,800 mm)←

SHIPPING HEIGHT (BOOM) B13' 1"

(3,990 mm)11' 9"

(3,580 mm)

SHIPPING HEIGHT (HOSE) C 13' 6" (4,125 mm)12' 3"

(3,730 mm)

SHIPPING LENGTH D41' 1"

(12,530 mm)40' 1"

(12,230 mm)

SHIPPING WIDTH E11' 11"

(3,640 mm)←

C/WEIGHT CLEARANCE F4' 1"

(1,250 mm)←

HEIGHT OVER CABIN G11'

(3,350 mm)←

HOUSE WIDTH H9' 10"

(2,990 mm)←

CABIN HEIGHT ABOVE HOUSE

I2' 9"

(845 mm)←

CABIN WIDTH J3' 4"

(1,010 mm)←

TUMBLER DISTANCE K14' 8"

(4,470 mm)←

TRACK LENGTH L17' 11"

(5,465 mm)←

UNDERCARRIAGE WIDTH M11' 11"/13' 9"

(3,640 mm)/(4,200 mm)* ←

SHOE WIDTH N35.4"

(900 mm)←

TRACK HEIGHT O4'

(1,210 mm)←

CAR BODY CLEARANCE P2' 6"

(770 mm)←

WORKING RANGE

DX520LC

BOOM TYPE23' 4" STD.

(7,100 mm) BOOM23' 4" STD.

(7,100 mm) BOOM

ARM TYPE7' 10" STD.

(2,400 mm) ARM11'

(3,350 mm) ARM

BUCKET TYPE (SAE)3.7 yd.³

(2.85 m³)2.6 yd.³

(2.01 m³)

MAx. DIGGING REACH A36' 11"

(11,215 mm)39' 9"

(12,120 mm)

MAx. DIGGING REACH (GROUND)

B35' 11"

(10,944 mm)38' 11"

(11,870 mm)

MAx. DIGGING DEPTH C22' 6"

(6,847 mm)25' 7"

(7,810 mm)

MAx. LOADING HEIGHT D24' 7"

(7,505 mm)25' 10"

(7,880 mm)

MIN. LOADING HEIGHT E13' 6"

(4,125 mm)10' 3"

(3,125 mm)

MAx. DIGGING HEIGHT F34' 5"

(10,494 mm)36' 4"

(11,080 mm)

MAx. BUCKET PIN HEIGHT G30' 7"

(9,315 mm)31' 10"

(9,705 mm)

MAx. VERTICAL WALL DEPTH H4' 6"

(1,380 mm)14' 6"

(4,410 mm)

MAx. RADIUS VERTICAL I34' 7"

(10,535 mm)32' 9"

(9,970 mm)

MAx. DEPTH TO 8' LINE J21' 10"

(6,660 mm)25' 2"

(7,675 mm)

MIN. RADIUS 8' LINE K12' 10"

(3,910 mm)13'

(3,950 mm)

MIN. DIGGING REACH L10' 9"

(3,265 mm)2' 11"

(880 mm)

MIN. SWING RADIUS M17'

(5,170 mm)17'

(5,170 mm)

BUCKET ANGLE (deg) d 174 174

ENGINE:

Doosan DV11 ; Electronically Controlled Common Rail Direct Injected

Turbo Charge Air to Air Intercooler

669 cu.in., 6 Cylinder

328 SAE Net Flywheel Horsepower @ 1,800 rpm

Automatic Idling System

Radiator Reserve Tank

Electronic Engine Speed Control

Engine Overheat Prevention System

HYDRAULIC SYSTEM:

Pilot Operated Control Valve

Main Pump, Parallel, Bent Axis, Axial Piston Type

2-355 L / min. (2-94 US gpm), Pressure Setting 4,978 psi

Fan Drive x Pilot Circuit: Gear Type Pump

62 x 22 L / min. (16.4 x 5.8 US gpm), Pressure Setting 569 psi

Swing Motor:

− Axial Piston Type

Swing Reactionless Valve, Swing Speed up to 8.8 rpm.

Parking is Spring-Set, Hydraulic Released Disk Type Brake

Travel Motors, Axial Piston, 2-Speed

In-Shoe Design, Oil Disk Brakes,

Travel speed (High / Low), 3.1 mph / 1.9 mph

Parking Brake

Cross Sensing & Fuel Saving Pump Control

Computer-aided Engine-Pump Control

e-EPOS (Electronic Power Optimizing System) Controller

CAB:

ROPS Approved

Steel, All Weather

Air Conditioner with Heater, R134a Refrigerant

Cigarette Lighter with Ashtray

Door Locks

Front Windshield Wiper with Washer

Radio:

− AM / FM Stereo with Cassette

− Remote Radio On / Off Switch, Control Volume, Channel Selection

Safety Glass, Tinted

Safety Lock Lever

Seat:

− Suspension with Seat Belt (2" Wide)

− Reclining, Height Adjustable

− Adjustable Arm Rests

− Sliding Control Console

− Weight Adjustment Knob

Skylight

Slide-Up Front Window

Sliding Side Windows

Removable Front Lower Window

Front Window Air Defroster

Travel Pedals with Hand Levers

Emergency Breakout Tool

Lunch Box with Hot & Cool Air

12V Spare Socket

Joystick Lever with 2 Switches

Cup Holder

Room Light

Serial Communication Port for Laptop PC Interface

Viscous Cab Mounts

STANDARD EQUIPMENT

DX520LC

ELECTRICAL:

Alternator: 50 Amp.

Batteries: (2) 12 Volt, 150 Amp. Hrs 950 CCA ea.

Starter: 24 V, 7.0 kW

Horn

Lights:

− Front: (4) Machine, (4) Boom

Alarm Buzzer for:

− Engine Overheat

− Engine Oil Pressure

− Hour Meter

Graphic display Monitor for:

− Engine Coolant Temperature Gauge

− Fuel Gauge

− Hydraulic Oil Temperature Gauge

− Digital Clock

Multi-function Display for:

− Engine Oil Pressure Warning Light

− Charging Warning Light

− Preheat Light

− Work light indicator light

− (2) Power Mode Switches

− (2) Working Mode Switches

− Auto Idle Switch

UNDERCARRIAGE: Wide Variable Track

Track Guards and Chains with Adjusters

Track Rollers, (3) Upper, (9) Lower each side

Selected Track Link

Triple Grouser Shoes, 53 each side; 900 mm width

OTHER STANDARD EQUIPMENT:

Hand Control Pattern Changer

Travel Alarm

Air Cleaner with Pre Cleaner

Counterweight, 23,150 lb. (10,500 kg)

Sealed Pins, Boom and Bucket Linkages

Swing Mechanism, Internal Gear and Pinion

Centralized Lube Points

Manuals: Parts and Operator's

Left Side Punched Metal Anti-Slip Plate

Joystick control with single acting pilot valve for single acting capability, terminated at base of the boom

GPS with 1 Year Subscription

ADDITIONAL OPTIONS - FACTORY INSTALLED

Air Suspension Seat

CD Player

Work Lights (2 Front Mounted on Cab)

Work Lights (4 Front 2 Rear Mounted on Cab)

Rotating Beacon (Mounted on Cab)

24V, 80A Alternator

Travel & Swing Alarm

Electric Fuel Supply Pump

Removable Counter Weight

Removable Counter Weight Kit

Rain Shield

Falling Objects Guard Assembly Kit

Lock Valve

DOOSAN BUCKETS – DEALER INSTALLED

1.38 yd3 30” width Bucket

1.75 yd3 36” width Bucket

2.13 yd3 42” width Bucket

2.50 yd3 48” width Bucket

2.90 yd3 54” width Bucket

3.27 yd3 60” width Bucket

HYDRAULIC KITS - FACTORY INSTALLED

Boom Arm Lock Valve with Piping

Double Acting Thumb Kit

Single Acting Breaker Kit

Double Acting Rotating Kit

Overload Warning (Boom Arm Lock Valve Required)

HYDRAULIC KITS - DEALER INSTALLED

Breaker Kit (B) Single Acting HKX

Thumb Kit (T) Double Acting HKX Piping Ends at Boom Tip

Breaker / Thumb Kit (BT) Single & Double Acting HKX

ADDITIONAL OPTIONS

3" Seat Belt

Vandalism Covers

OPTIONAL EQUIPMENT

DX520LCNOTES

1. LOAD POINT IS THE END OF THE ARM.

2. CAPACITIES MARKED WITH AN ASTERISK (*) ARE LIMITED BY HYDRAULIC CAPACITIES.

3. LIFT CAPACITIES SHOWN DO NOT EXCEED 75% OF MINIMUM TIPPING LOADS OR 87% OF HYDRAULIC CAPACITIES.

Metric Unit: 1,000 kg

A (m)B (m)

3 4 5 6 7 8 9 MAX. REACH

A (m)

8 10.17 * 10.17 * 7.49

7 10.63 * 10.63 * 10.08 * 9.17 10.02 * 8.84 8.15

6 12.48 * 12.48 * 11.21 * 11.21 * 10.36 * 8.98 9.98 * 7.77 8.65

5 16.50 * 16.50 * 13.72 * 13.72 * 11.97 * 10.94 10.81 * 8.72 10.03 * 7.05 10.03 * 7.05 9.00

4 18.73 * 17.62 15.04 * 13.35 12.81 * 10.48 11.33 * 8.43 10.31 * 6.87 10.12 * 6.56 9.23

3 20.56 * 16.59 16.24 * 12.7 13.61 * 10.05 11.85 * 8.14 10.61 * 6.69 10.27 * 6.26 9.35

2 21.56 * 15.96 17.12 * 12.2 14.25 * 9.69 12.29 * 7.89 10.86 * 6.52 10.42 6.12 9.35

1 21.75 * 15.67 17.58 * 11.87 14.65 * 9.43 12.57 * 7.69 10.95 6.39 10.49 6.12 9.25

0 (GROUND) 21.40 * 15.58 17.61 * 11.7 14.76 * 9.26 12.63 * 7.57 10.87 6.32 10.8 6.28 9.03

-1 24.31 * 23.14 20.63 * 15.61 17.23 * 11.66 14.53 * 9.2 12.40 * 7.52 11.11 * 6.64 8.70

-2 25.22 * 25.22 * 22.83 * 22.83 * 19.47 * 15.74 16.43 * 11.71 13.91 * 9.23 11.77 * 7.56 11.32 * 7.27 8.22

-3 23.44 * 23.44 * 20.74 * 20.74 * 17.80 * 15.97 15.13 * 11.88 12.77 * 9.37 11.46 * 8.34 7.58

-4 20.11 * 20.11 * 17.87 * 17.87 * 15.46 * 15.46 * 13.11 * 12.17 11.40 * 10.23 6.73

-5 13.84 * 13.84 * 11.99 * 11.99 * 10.77 * 10.77 * 5.56

Feet Unit: 1,000 lb.

A (ft.)B (ft.)

10 15 20 25 30 MAX. REACH

A (ft.)

25 22.36 * 20.87 22.26 * 20.11 25.49

20 26.97 * 26.97 * 23.36 * 20.2 22.01 * 16.12 28.24

15 43.09 * 42.58 30.99 * 27.44 25.28 * 19.14 22.18 * 13.94 29.90

10 35.03 * 25.31 27.38 * 18.02 23.04 * 13.3 22.62 * 12.8 30.66

5 37.61 * 23.84 28.96 * 17.11 23.72 * 12.82 23.24 * 12.42 30.57

0 (GROUND) 51.20 * 36.31 38.13 * 23.15 29.47 * 16.57 23.99 * 12.78 29.64

-5 55.16 * 55.16 * 47.62 * 36.63 36.58 * 23.07 28.44 * 16.46 24.76 * 14.1 27.76

-10 51.16 * 51.16 * 41.75 * 37.41 32.66 * 23.52 25.27 * 17.1 24.75

-15 38.45 * 38.45 * 32.12 * 32.12 * 24.70 * 24.65 24.59 * 24.58 20.04

: Rating Over Front: Rating Over Side or 360 degree

LIFTING CAPACITYBoom: 23'4" (7,100 mm)

Arm: 7'10" (2,400 mm)

Bucket: SAE 3.70 yd.³ (2.85 m³)

Shoe: 35.43" (900 mm)

Counterweight: 11.57 ton (10.5 metric ton)

DX520LC

: Rating Over Front: Rating Over Side or 360 degree

Metric Unit: 1,000 kg

A (m)B (m)

2 3 4 5 6 7 8 9 10 MAX. REACH

A (m)

9 5.20 * 5.20 * 7.92

8 7.60 * 7.60 * 5.04 * 5.04 * 8.66

7 7.75 * 7.75 * 6.33 * 6.33 * 4.99 * 4.99 * 9.24

6 8.09 * 8.09 * 7.67 * 7.38 5.04 * 5.04 * 9.67

5 10.69 * 10.69 * 9.44 * 9.44 * 8.57 * 8.57 * 7.95 * 7.19 5.16 * 5.16 * 9.99

4 19.37 * 19.37 * 14.62 * 14.62 * 11.96 * 11.96 * 10.27 * 10.27 * 9.12 * 8.59 8.30 * 6.97 6.92 * 5.71 5.37 * 5.37 * 10.20

3 22.37 * 22.37 * 16.54 * 16.54 * 13.20 * 13.13 11.10 * 10.29 9.68 * 8.27 8.66 * 6.75 7.92 * 5.57 5.68 * 5.26 10.30

2 17.60 * 17.60 * 18.01 * 16.53 14.25 * 12.52 11.84 * 9.86 10.19 * 7.97 9.00 * 6.54 8.11 * 5.43 6.10 * 5.13 10.31

1 18.12 * 18.12 * 18.85 * 15.96 14.98 * 12.06 12.40 * 9.52 10.59 * 7.71 9.27 * 6.36 8.23 * 5.31 6.67 * 5.12 10.22

0 (GROUND) 14.03 * 14.03 * 20.53 * 20.53 * 19.10 * 15.64 15.35 * 11.76 12.73 * 9.27 10.83 * 7.53 9.40 * 6.23 7.71 * 5.23 7.44 * 5.22 10.02

-1 15.71 * 15.71 * 17.99 * 17.99 * 23.66 * 22.77 18.87 * 15.52 15.36 * 11.6 12.79 * 9.12 10.87 * 7.41 9.35 * 6.15 8.40 * 5.44 9.72

-2 19.20 * 19.20 * 21.93 * 21.93 * 22.48 * 22.48 * 18.22 * 15.52 14.99 * 11.55 12.55 * 9.07 10.63 * 7.36 9.04 * 6.14 8.58 * 5.84 9.29

-3 22.84 * 22.84 * 25.75 * 25.75 * 20.87 * 20.87 * 17.13 * 15.63 14.23 * 11.61 11.93 * 9.1 10.04 * 7.41 8.75 * 6.5 8.73

-4 26.8 * 26.8 * 22.8 * 22.8 * 18.71 * 18.71 * 15.53 * 15.53 * 12.97 * 11.77 10.83 * 9.24 8.87 * 7.56 8.84 * 7.55 8.01

-5 18.88 * 18.88 * 15.79 * 15.79 * 13.24 * 13.24 * 11.02 * 11.02 * 8.92 * 8.92 * 8.76 * 8.76 * 7.06

-6 11.72 * 11.72 * 9.83 * 9.83 * 8.21 * 8.21 * 5.80

Feet

A (ft.)B (ft.)

5 10 15 20 25 30 MAX. REACH

A (ft.)

25 12.56 * 12.56 * 29.20

20 20.80 * 20.80 * 19.25 * 16.75 12.62 * 12.62 * 31.62

15 27.71 * 27.71 * 23.02 * 22.27 20.28 * 16.15 13.15 * 13.15 * 33.11

10 46.25 * 46.25 * 32.34 * 29.91 25.53 * 21 21.59 * 15.45 14.17 * 12.44 33.79

5 51.86 * 43.48 35.98 * 28.03 27.69 * 19.89 22.76 * 14.8 15.84 * 12.11 33.72

0 (GROUND) 33.88 * 33.88 * 52.88 * 42.3 37.77 * 26.9 28.96 * 19.11 23.36 * 14.34 18.50 * 12.36 32.87

-5 48.32 * 48.32 * 50.92 * 42.13 37.52 * 26.46 28.91 * 18.74 22.90 * 14.15 21.60 * 13.33 31.20

-10 53.03 * 53.03 * 63.52 * 63.52 * 46.51 * 42.57 35.10 * 26.56 27.04 * 18.8 22.27 * 15.42 28.56

-15 51.69 * 51.69 * 39.02 * 39.02 * 29.78 * 27.21 22.53 * 19.86 24.62

-20 26.21 * 26.21 * 20.88 * 20.88 18.52

Unit: 1,000 lb.

Boom: 23'4" (7,100 mm)

Arm: 11' (3,350 mm)

Bucket: SAE 3.07 yd.³ (2.39 m³)

Shoe: 35.43" (900 mm)

Counterweight: 11.57 ton (10.5 metric ton)

1. LOAD POINT IS THE END OF THE ARM.

2. CAPACITIES MARKED WITH AN ASTERISK (*) ARE LIMITED BY HYDRAULIC CAPACITIES.

3. LIFT CAPACITIES SHOWN DO NOT EXCEED 75% OF MINIMUM TIPPING LOADS OR 87% OF HYDRAULIC CAPACITIES.

NOTES

DX520LCNOTES

Kn-1M-612-26507-FBRO-DX520LC-TD (6/12)

For more information visit www.doosanequipment.com

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