D A E W O O H Y D R A U L I C E X C A V A T O R

Operating Weight : 5,250kg(11,576 lb)

STD Bucket Capacity :PCSA 0.176m3(0.23 cu yd)CECE 0.15m3(0.196 cu yd)

Rated Engine PowerDIN NET 40.5kW(55PS)/2,200rpmSAE NET 40.5kW(54.2HP)/2,200rpm

DAEWOO Opening a New Era of Excavator SOLAR 55The SOLAR 55 is the product of Daewoo Heavy Industry’s commitment to building the most comprehensive hydraulic excavator in the world. It is built on the company’s half-century of experience and expertise in the field of heavy machinery. The SOLAR 55 is creating a new standard for hydraulic excavators by featuring more power, greater operator comfort and maximum work performance.

Maximum work performance

Swing boomThe boom of the SOLAR 55 can swing 50to the left and 90 to the right.

This allows for working close to objectssuch as walls or along road sides.

Superior work performanceAs a result of the advanced hydraulic system, the functional movements are fast yet smooth. Because of the improved operator comfort, work performance is maximized during long hours of operation.

Highest dig force in its weight classThe SOLAR 55 has over 3,265kgf(7,198 lb) of digging force with a standard 0.176m3 (0.23cu yd) bucket for maximum productivity.

Powerful, low-RPM, high-output engineThe Isuzu A-4JBI engine generates high horsepower(55PS) output at a very low RPM setting. This creates a very long life engine while reducing fuel consumption and outside noise levels.

90 50

Central control panelThe operator can monitor the SOLAR 55 with a single glance at the easy to read control panel.

Operator,s Station

Spacious Room For Operator’s Comfort And Safety

Ergonomics for maximumoperator convenience

Lockout devicefor controlsWe designed the tilting safety lock lever over the left control console for easy access and safety.

Comfortableoperating spaceIncreased sound deadening materials throughout the entire structure of the cab creates one of the quietest work stations available. Visibility and air circulation have

been improved through the use of larger glass surface areas.

Low effort operating leversSuperior lever design allows fine feathering control with extremely low-effort operator movements.

Foot rest designA foot rest has been added to provide the best posture so that the operator will remain comfortable during long hours of operation.

Easy access for maintenance

High quality air cleaner assemblyThe air cleaner design yields maximum filtration protection yetsimple and easy access for normal maintenance.

Variable piston pumpThe variable piston pump automatically controls the flow of oil depending on the type of work the machine is performing. This allows proportional distribution of power and speed for any type of digging or traveling.

Improved access to hydraulic componentsAll fittings have been improved in design and materials to yield the highest durability and longest life on the market. New larger access covers allow quick and easy hydraulic component inspections and maintenance.

Larger starter motorFor a larger, heavy-duty motor is standard for quicker/easier engine start-up.

Technical Data

EngineModel ........................ ISUZU, A-4JB1Type .......................... Water-cooled, 4-cycle,

4-cylinder in line, direct injectiontype, diesel engine.

Rated flywheel horse powerDIN 6271, net ....................... 40.5 kW (55PS)at 2,200rpmSAE J1349, net ..................... 40.5 kW (54.2HP)at, 2,200 rpm

Piston displacement ................ 2,771cc (169 cu.in)Maximum torque ..................... 18kgf.m(Nm, 176.5Nm)

130.2lbf.ft)at 1,600rpmBore and Stroke ..................... 93 mm 102 mm (3.66" 4.0")Starting System ...................... 12 V electric motorBatteries ............................... 12 V 100 AH

Hydraulic System2 variable displacement axial piston tandem type pumps, 2 gear pumps and control valve (10-spool) of section block

construction. This original design enables both independendent and combinedoperations of all function, joystick control type.Main pumps ........................... 2 variable displacement axial

piston pumps Gear pumps

Pressure setting .................... 206 bar (2,986 psi, 210 kg/cm2)177 bar (2,559 psi, 180 kg/cm2)

Max. oil flow ................................. 2 55 / min(2 14.5us gpm2 12.1uk gpm)

Pilot pump ...................................... Gear pumpPressure setting .......................... 29.4bar(428.6psi, 30kg/cm2)Max.oil flow .................................. 14.3 / min(3.8US gpm, 3.1UK gpm)

Relief Valve SettingsMain relief valves .......................... 206 bar (2,986psi, 210kgf/cm2)

177 bar (2,559psi, 180kgf/cm2)Overload relief valveBoom circuit .................................. 245 bar (3,555psi, 250kgf/cm2)Arm circuit ..................................... 245 bar (3,555psi, 250kgf/cm2)Bucket circuit ................................ 245 bar (3,555psi, 250kgf/cm2)Swing motor

relief valve ................................... 196 bar (2,844psi, 200kgf/cm2)Travel brake valves ....................... 226 bar (3,270psi, 230kgf/cm2)

Hydraulic CylindersCushion Mechanism is provided for boom cylinder to assure shock freeoperation and extend life of cylinder.

Hydraulic FiltersAll hydraulic circuits have high-quality hydraulic filters for protectionagainst oil contamination and longer life of hydraulic components. Suction filter is built in suction line, and 10 full-flow filter in return circuit.

Swing MechanismHigh-torque, axial pistion high speed motor runs in oil. Swingcircle is a single-row, shear type ball bearing with

induction-hardened internal gear. Internal gear and pinion gear immersed in lubricant. A two position swing lock secures the upper structure for transportation.Swing speed .......................... 0 to 10 rpm

DriveFully hydrostatic, each track is driven by an independent, high-torque, axial piston motor through planetary reduction

gears. 2 travel levers provide smooth travel or counterrotation upon demand. Travel speed (High/Low) .............. 3.8/2.1km/h

(2.4/1.3mph)Maximum traction

force ............................................. 4,800kgf(10,584 lbf)Gradeability ................................... 30 (58%)continuous

BrakeTwo oil disc brake on final drive input shafts. Spring appliedhydraulically released, when machine is stationary, brakes are

set automatically. when machine is stationary, brakes are setautomatically. Operating either travel lever disengages brakes.

Controls. 2 Implement LeversPilot Pressure control type. Right lever is for boom and bucketcontrol, left lever is for swing and arm control.

Max. control force ......................... 0.6kgf(1.32 lbf)

Cylinders Q'TY Bore Rod Dia StrokeBoom 1 110 55 720(4.3" 2.2" 28.3")Arm 1 85 55 840(3.3" 2.2" 33.1")Bucket 1 85 55 600(3.3" 2.2" 23.6")Boom swing 1 80 40 496(3.2" 1.6" 19.5")Dozer 1 110 60 184(4.3" 2.2" 7.2")

Arm roll-out Forward Boom Lower

Arm roll-in

SwingRight

SwingLeft

BucketRoll-out

BucketRoll-in

Reverse Boom Raise

Technical Data

2 Travel LeversMechanical type. Independent drive at each track allows counter-rotation of the tracks

Super Structure Revolving FrameA deep, full-reinforced box section. Heavy-gauge steel platesused for ruggedness.

Operator’s CabA roomy, independent, shock and noise-free operator’s cab, 4 sidesafety glass windows give all-round visibility. Front window slides up to be openable fully and right window sideopens for ventilation.

UndercarriageTractor type undercarriage. Heavy-duty track frame, all-weldedstress-relieved structure.Top grade materials used for toughness. Side frames are

welded, securely and rigidly, to the track frame. Liftetime-lubricatedtrack rollers, idlers with floating seals. Track shoes of induction-hardened rolled alloy with triple grousers. Specially heat-treated connecting pins.Hydraulic track adjusters with shock-absorbing recoil springs.

Types of ShoesNumber of rollers and Shoes(Each Side)Upper roller .................................... 1Lower rollers .................................. 5Track shoes ................................... 39Overall track length ...................... 2,546mm(8'4")Ground pressure ........................... 0.294bar(4.28psi)

0.30kgf/cm2

Shoe width ..................................... 400mm(15.8")

WeightSOLAR55 (Operating weight) .......... 5,200 kg (11,464lb)

Major component weightkg lb

Arm .............................................. 123 271Boom ........................................... 270 595Super-structure ........................... 2,200 4,850Counter weight ............................ 286 630

Service Refill Capacities

Liter US gal UK galFuel tank .......................... 120 31.7 26.4

Cooling system ............................. 12 3.17 2.64

LubricationEngine oil ..................................... 8 2.4 2.0Swing drive ................................... 1.5 0.4 0.3

Final drives(each) ....................... 1.1 0.29 0.242Hydraulic tank ............................... 90 23.8 19.8

SafetySwing lock and boom swing lock for long-distance travel and

transportationSafety glass windows

Electric type hornSpring-set / hydraulic-released disc type travel parking brake.Main relief valves. Make-up valves.Overload relief valves. Hydraulic brake valves.Engine coolant temperature gauge.Monitor for before starting(Engine oil level, engine coolant level and hydraulic oil level).Monitor for during operation(Engine oil pressure, engine coolant temperature, alternator charge, air cleaner clogging and fuel minimum level).Alarm buzzer(Engine oil pressure and engine coolant temperature). Working lights pilot lamp.Lever lock

Standard Equipment

CabAll-weather steel cab with all-round visibility.Safety glass windows. Wide screen wiper. Sliding side window.Lockable door. Deluxe seat. Lever lock. And Air conditioner.

Instrument panelEngine coolant temperature gauge. Electric hourmeter. Fuel meter.Monitor for before starting(engine oil level, engine coolant level andhydraulic oil level). Monitor for during operation(Engine oil pressure,engine coolant temperature, alternator charge, air cleaner clogging andfuel minimum level).Alarm buzzer(Engine oil pressure and engine coolant temperature).Working lights pilot lamp.

MiscellaneousCar stereo. Electric type horn. Ashtray. Swing lock. Breaker piping.Counter weight. Lockable and one-touchable machine cover.Precleaner. Battery. Grease gun, Fuel filler pump.

Optional EquipmentBucketsRubber track

Backhoe AttachmentBoom and arm are of all welded, low stress, fullbox sectiondesign. Bucket of all welded, high-strength steel structure.

Lifting Capacities

A (m) 1 2 3 4 5 MAX. REACHB (m) A(m)

4 1,230 892 712 708 4,7303 1,240 893 808 637 842 582 5,3102 1,270 888 918 619 788 523 5.5601 1,830 1,270 1,250 835 894 593 768 506 5,620

0(ground) 1,360 1,360 1,890 1,210 1,230 811 880 580 788 519 5,490-1 1,560 1,560 1,890 1,210 1,210 793 883 583 873 576 5,130-2 3,420 3,420 3,110 2,260 1,900 1,210 1,220 807 1,070 713 4,490-3 2,710 2,340 1,740 1,150 3,330

A (ft) 5' 10' 15' MAX. REACH

B (ft) A(ft)

15' 1,670 1,500 16'1"

10' 1,930 1,590 1,790 1,190 18'04"

5' 4,180 2,700 2,250 1,490 1,690 1,110 18'42"

0(ground) 4,060 2,610 2,190 1,440 1,870 1,230 17'15"

-5' 6,690 6,690 4,070 2,620 2,580 1,710 13'93"

A (m) 1 2 3 4 5 MAX. REACHB (m) A(m)

4 1,280 890 1,380 708 4,7303 1,305 910 808 637 1,211 582 5,3102 1,320 888 918 619 1,158 523 5,5601 1,830 1,270 1,280 835 1,070 593 941 506 5,620

0(ground) 2,320 1,210 1,550 811 1,220 580 1,060 519 5,490-1 1,560 1,560 2,570 1,210 1,730 793 1,300 583 1,280 576 5,130-2 3,200 2,560 3,110 2,260 2,400 1,210 1,550 807 1,480 713 4,490-3 2,710 2,340 1,760 1,150 3,330

A (ft) 5' 10' 15' MAX. REACH

B (ft) A(ft)

15' 1,670 1,500 16'1"

10' 1,930 1,590 1,900 1,190 18'04"

5' 4,270 2,700 2,620 1,490 2,120 1,110 18'42"

0(ground) 5,450 2,610 3,180 1,440 2,690 1,230 17'15"

-5' 6,690 6,690 4,560 2,620 3,400 1,710 13'93"

A

B

BOOM : 3.1m(10'2")

ARM : 1.50m(4'9")

BUCKET : STD

SHOE : 400mm(1'4")

: RATING OVER FRONT

: RATING OVER SIDE OR 360 DEGREE

CENTERLINE OF ROTATION

GROUND LINE

With Dozer (Short Blade)

Without Dozer

1. Load point is the back of the bucket. 2. Rated loads are based on hydraulic capacity. 3. Rated loads do not exceed 87% of hyd. Capacity or 75% of tipping capacity.

FeetMetric

FeetMetric 10'2" Boom, 4'9" Arm (unit : lb)3.1m Boom, 1.5m Arm (unit : kg)

10'2" Boom, 4'9" Arm (unit : lb)3.1m Boom, 1.5m Arm (unit : kg)

A (m) 1 2 3 4 5 MAX. REACHB (m) A(m)

4 1310 815 1,410 708 4,7303 1340 915 808 637 1,230 582 5,3102 1330 888 918 619 970 523 5,5601 1,830 1,270 1,280 835 1,070 593 941 506 5,620

0(ground) 1,360 1,360 2,320 1,210 1,550 811 1,220 580 1,060 519 5,490-1 1,560 1,560 2,570 1,210 1,730 793 1,300 583 1,280 576 5,130-2 3,110 2,260 3,110 2,260 2,400 1,210 1,550 807 1,480 713 4,490-3 2,710 2,340 1,760 1,150 3,330

A (ft) 5' 10' 15' MAX. REACH

B (ft) A(ft)

15' 1,670 1,500 16'1"

10' 1,930 1,590 1,900 1,190 18'04"

5' 4,270 2,700 2,620 1,490 2,120 1,110 18'42"

0(ground) 5,450 2,610 3,180 1,440 2,690 1,230 17'15"

-5' 6,690 6,690 4,560 2,620 3,400 1,710 13'93"

With Dozer (Long Blade)

FeetMetric 10'2" Boom, 4'9" Arm (unit : lb)3.1m Boom, 1.5m Arm (unit : kg)

Working ranges

20

18

16

14

12

10

8

6

4

2

0

-2

-4

-6

-8

-10

-12

6

5

4

3

2

1

0

F

C

E

D

A

6

22 20 18 16 14 12 10 8 6 4 2 0

5 4 3 2 1 0 (m)

(ft)

-1

-2

-3

-4

B

Boom Length 3,100mm(10'2")

Arm Length 1,500mm(4'9")

Max. Digging Reach A 6,100mm(20')

Max. Digging Reach At Ground Level B 6,000mm(19'8")

Max. Digging Depth C 3,890mm(12'8")

Max. Digging Height D 5,330mm(17'6")

Min. Dumping Height E 3,630mm(11'11")

Max. Vertical Wall Digging Height F 3,025mm(9'11")

Specifications

General Specifications

Dimensions

5,940(19'6")

1,550(5'1")

2,546(8'4")1,480(4'8")

1,840(6'4")

1,925(6'4")400(1'4")

700(

2'4"

)

350(

1'2"

)

2,56

5(8'

5")

Operating Weight 5,250kg (11,576 lb)

Bucket

Heaped Capacity PCSA 0.176m3 (0.23 cu yd)

Range CECE 0.150m3 (0.196 cu yd)

Engine

Model ISUZU DIESEL ENGINE A-4JB1

Rated OutputDIN NET 40.5kW(55PS)/2,200 rpm

SAE NET 40.5kW(54.2HP)/2,200 rpm

Max. Torque / rpm 130.2 lbf.ft(176.5Nm)1,600 rpm

Hydraulic System

Type Variable displacement axial pistonpump

Pressure 206 bar (2,986 psi)

Delivery 2 55 /min (2 14.5 us gal/min)Main

Q'ty 2Pumps

Type Gear

Pressure 180 bar (2,559 psi)

Delivery 40.26 / min (10.6 us gal/min)

Q'ty 1

Type Gear

Pilot Pressure 29.4 bar (428.6 psi)

Pump Delivery 14.3 / min (3.8 us gal/min)

Q'ty 1

Swing Mechanism

Max. Swing Speed 10 rpm

Rear Swing Radius 1,550 mm (5'1")

Maneuverability

Ground Pressure 0.294 kg/cm2 (4.28 psi)

Travel Speed (high/low) 3.8/2.1 kph (2.4/1.3 mph)

Gradeability 58%(30 )

Ground Clearance 350mm (1'2")

Capacities

These specifications are subject to change without notice.

Fuel Tank 120 (31.7 US gal)

Hydraulic Tank 90 (23.8 US gal)

Track

Overall Length 2,546 mm (8'4")

Overall Width 1,880 mm (6'2")

Shoe Width 400 mm (1'3") triple grouser shoe

Digging Force

Bucket 33.2 KN (7,198 lbf)

Arm 26.4 KN (5,710 lbf)

Transport Dimensions

Overall Length 5,940 mm (19'6")

Overall Width 1,925 mm (6'4")

Overall Height (Cabin) 2,565 mm (8'5")

Unit : mm(ft.in)

D A E W O

EC 0017 (99.09)

Specifications and features in this catalog are subject to change without prior notice.In some cases the photographs in this catalog show optional equipment.

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