Hitachi Excavators EX5500-5

When you want to get more work done day-after-day, the EX5500-5 is an excellent choice. It combines proven designs with the newest technological advances to provide you with high uptime and maximum productivity.

Specifications

Engine Gross Power	2 x 1 007 kW (2 x 1 350 hp)
Operating Weight	Loading Shovel : 518 000 kg (1 142 000 lb) Backhoe : 518 000 kg (1 142 000 lb)
Loading Shovel Bucket	PCSA Heaped : 27.0 - 30.6 m3 (35.5 - 40.0 d3)
Backhoe Bucket	PCSA Heaped : 29.0 m3 (38.0 d3) CECE Heaped : 26.0 m3 (34.0 d3)

ENGINE

Model	Cummins QSK45-C
Type	Water-cooled, 4-cycle, 12-cylinder, turbo-charged and after-cooled, direct injection chamber-type diesel engine
Rated power DIN 6271,net	2 x 971 kW (2 x 1 320 PS) at 1 800 min-1 (rpm)
Rated power SAE J1349,net	2 x 971 kW (2 x 1 302 HP) at 1 800 min-1 (rpm)
Rated power SAE J1995, gross	2 x 1 007 kW (2 x 1 350 HP) at 1 800 min-1 (rpm)
Maximum torque	2 x 6 132 Nm (2 x 626 kgf m, 2 x 4 522 lbf ft) at 1 400 min-1 (rpm)
Piston displacement	2 x 45 L (2 x 2 746 n3)
Bore and stroke	159 mm x 190 mm (6.3" x 7.5")
Starting system	24 V electric motor
Batteries	6 x 12V, 6 x 220 AH
Cold starting	Ether aided

HYDRAULIC SYSTEM

Hitachi's ETS (Electronic Total control System) can achieve maximum job efficiency by reducing fuel consumption and noise levels, while maximizing productivity through the optimization of engine-pump functions with excellent controllability increasingfunctions with excellent controllability increasing operator comfort.

E-P Control (Computer-aided Engine-Pump Control system)	Main pumps regulated by electric engine-speed sensing control system.
OHS (Optimum Hydraulic System)	12 main pumps and 6 valves system enable both independent and combined operations of all functions.
FPS (Fuel-saving Pump System)	FPS minimizes energy loss with superior performance in fine control.
Auto-idling system for saving fuel and reducing noise.
Hydraulic drive cooling-fan system for oil cooler.
Forced-lubrication and forced-cooling pump drive system.
Main pumps	8 variable-displacement, axial piston pumps for front attachment and travel
Main pumps Pressure setting	29.4 MPa (300 kgf/cm2, 4 270 psi)
Main pumps Max. oil flow	8 x 375 L/min (8 x 99.1 US gpm, 8 x 82.5 lmp gpm)
Swing pump	4 variable-displacement, axis piston pumps for swinging
Swing pump Pressure setting	29.4 MPa (300 kgf/cm2, 4 270 psi)
Swing pump Max. oil flow	4 x 425 L/min (4 x 112.3 US gpm, 4 x 93.5 lmp gpm)
Pilot pump	2 gear pump
Pilot pump Pressure setting	3.9 MPa (40 kgf/cm2, 569 psi)
Pilot pump Max. oil flow	2 x 108 L/min (2 x 28.5 US gpm, 2 x 23.8 lmp gpm)

Relief Valve Settings

Implement circuit	29.4 MPa (300 kgf/cm2, 4 270 psi)
Swing circuit	24.5 MPa (250 kgf/cm2, 3 560 psi)
Travel circuit	29.4 MPa (300 kgf/cm2, 4 270 psi)
Pilot circuit	3.9 MPa ( 40 kgf/cm2, 569 psi)

Hydraulic Cylinders

High-strength piston rods and tubes adopted. Cylinder cushion mechanisms are provided for boom, arm bucket and dump cylinders. Bucket cylinder of loading shovel is provided with protector.

Cylinder Dimensions

Loading shovel
Backhoe

Hydraulic Filters

All hydraulic circuits have high-quality hydraulic filters for protection against oil contamination and longer life of hydraulic components.

CONTROLS

2 Implement Levers

Remote-controlled joystick hydraulic servo system. Right lever is for boom and bucket control, left lever for swing and arm control. For loading shovel, 2 pedals provided for opening/closing the bottom dump bucket.

2 Travel Levers with Pedals

Remote-controlled hydraulic servo system. Independent drive at each track allows counter-rotation of tracks.

UPPERSTRUCTURE

Revolving Frame

A deep, full-reinforced box section. Heavy-gauge steel plates used for ruggedness.

Deck Machinery

Maintenance accessibility is the major feature in the layout of deck machinery. Sidewalks provide easy access to engines, hydraulic and electrical components. ISO-met stairs and handrails. Sidewalks and stairs are provided with skid-resistant plates.

Swing Mechanism

4 high-torque, axial-piston motors with two-stage planetary gear bathed in oil. Swing circle with dirt seals is a heavy-duty, triple-row, cylindrical roller bearing. Induction-hardened internal swing circle gear and pinion immersed in lubricant. Parking brake of spring-set/ hydraulicreleased disc type. This parking brake is manually releasable.

Swing speed

3.3 min-1 (rpm)

Operator's Cab

The sturdy cab, with the top guard conforming to OPG Level II (ISO), helps protect the operator from falling objects. Independent, pressurized, 1 600 mm (5'3") wide, 2 150 mm (7'1") high, roomy 6.6 m³ (8.6 d³) cab with tinted-glass windows features all-round visibility. Spring-suspension-type, fully-adjustable reclining seat with armrests; movable with or without front & swing control levers by slide. Instrument and control panel are built in cab, which are in easy range of the operator. 3 air conditioner system.

Noise level	75 dB(A) in the cab; on max. engine speed under no-load condition
Eye level height	7 700 mm (25'3")

UNDERCARRIAGE

Tracks

Shovel-type undercarriage. Dual-flanged-type bolt linkage for side frame and X-form center frame assures durability. Heavy-duty track frame of all-welded, stressrelieved structure. Top-grade materials used for toughness. Lifetime-lubricated induction-hardened track rollers, idlers and drive tumblers with floating seals. Specially heat-treated connection pins. Hydraulic track adjuster provided with N2 gas accumulator and relief valve. Track adjuster provided with protection device against abnormal tension. Travel motion alarm device.

Shovel-type Undercarriage

Triple grouser track shoes of induction-hardened cast steel.

Shoe width

1 400 mm (55")

Numbers of Rollers and Shoes (each Side)

Upper rollers	3
Lower rollers	7
Track shoes	39

Traction Device

Each track driven by high-torque, axial piston motors, allowing counter rotation of tracks. 2-stage planetary gear plus spur gears reduction device. Dual-support-type traction device. Parking brake of spring-set/hydraulicreleased disc type. This parking brake is manually releasable.

Travel speeds	High : 0 to 2.3 km/h (1.4 mph) Low : 0 to 1.6 km/h (1.0 mph)
Maximum traction force	2 230 kN (227 000 kgf, 501 000 lbf)
Grade ability	30 degrees (60 %) continuous

WEIGHTS AND GROUND PRESSURE

Loading Shovel

Equipped with 27.0 m³ (35.5 d³;PCSA heaped) bottom dump bucket

Backhoe

Equipped with 10.6 m (34'9") BE-boom, 5.3 m (17'5") BE-arm, and 29.0 m³ (38.0 d³; PCSA heaped) bucket

SERVICE REFILL CAPACITIES

LOADING SHOVEL ATTACHMENTS

Boom and arm are of all-welded, low-stress, high-tensile strength steel full-box section design. Efficient, automatic level crowding achieved by one-lever control because parallel link mechanism keeps the bucket digging angle constant, and level cylinder circuit maintains the bucket height constant. (Auto-Leveling Crowd Mechanism)

Bucket (PCSA heaped 2:1 angle of repose)

BACKHOE ATTACHMENTS

Boom and arm are of all-welded, low-stress, full-box section design. Bucket of all-welded, high-strength steel structure.

Bucket

Easily assembled owning to local assembling system requiring no welding.
Overall width of below 3 500 mm (11'6") during transportation.

UPPERSTRUCTURE

Unit: mm(ft in)

UNDERCARRIAGE

Unit: mm(ft in)

LOADER ATTACHMENT

Unit: mm(ft in)

BACKHOE ATTACHMENT

Unit: mm (ft in)

STANDARD EQUIPMENT

Standard equipment may vary by country, so please consult your Hitachi dealer for details.

ENGINE

- 150 A alternator
- Duty-type air filter with dust ejection system
- Cartridge-type engine oil filter
- Cartridge-type engine oil bypass filter
- Cartridge-type fuel filter
- Water filter
- Fan guard
- Isolation-mounted engine
- Pre-lubrication system
- Auto-idle system
- Emergency engine stop system

HYDRAULIC SYSTEM

- E-P control system
- OHS (Optimum Hydraulic System)
- FPS (Fuel-saving Pump System)
- Hydraulic drive cooling-fan system
- Forced-lubrication and forced cooling pump drive system
- Control valve with main relief valve
- Suction filter
- Full-flow filter
- Bypass filter
- Pilot filter
- Drain filter
- High-pressure strainer

CAB

The sturdy cab, with the top guard conforming to OPG Level (ISO), helps protect the operator from falling objects. Laminated glass windshield. Reinforced/tinted (bronze color) glass side and rear windows. Parallel-link-type intermittent windshield wiper. Front windshield washer. Adjustable reclining seat with adjustable armrests. Footrest. Air horn with electric compressor. Auto-tuning AM-FM radio with digital clock. Seat belt. Storage spaces. Floor mat. Air conditioner with defroster. Rearview mirror. Evacuation hammer. Emergency escape device. Trainer's seat. Pilot control shutoff lever.

MONITOR SYSTEMS

- Meters:
Hourmeter. Fuel gauge. Hydraulic oil temperature gauge. Engine coolant temperature gauge. Tachometer.
- Pilot lamps (Green):
Engine oil level. Engine coolant level. Hydraulic oil level. Travel mode (slow). Travel mode (fast). Auto idle. Engine room light. Entrance light. Pre-lubrication.
- Warning lamps (Red):
Alternator charge. Pump transmission oil pressure. Engine oil pressure. Engine overheat. Hydraulic oil level. Fuel level. Engine coolant level. Auto-lubrication. Engine controller. Air cleaner restriction. Pump contamination. Engine stop. Stop valve close. Ladder position. Fast filling.
- Alarm buzzers:
Pump transmission oil pressure. Engine oil pressure. Engine overheat. Hydraulic oil level. Engine coolant level. Stop valve close.

DATA LOGGING SYSTEM

- DLU (Data-logging unit) continuously records performance of the engine and the hydraulic system. The record can be downloaded by PC and PDA.

LIGHTS

- 8 working lights. 2 entrance light. 3 engine room lights. 2 cab lights.

UPPERSTRUCTURE

- Lockable machine covers
- 52 000 kg (115 000 lb) counterweight
- Hydraulic drive grease gun with hose reel
- Retractable-type ladder with spring-type balancer
- Swing parking brake

UNDERCARRIAGE

- Travel parking brake
- Travel motion alarm device
- Travel motor guard. (Backhoe only)
- Hydraulic track adjuster with N2 gas accumulator and relief valve
- 1 400 mm (35") triple grouser shoes

MISCELLANEOUS

- Standard tool kit
- Stairs and handrails (Meeting ISO)
- Recirculation air filter for air conditioner
- Ventilation air filter for air conditioner
- 12 V power terminal board
- Stop valve for transport and reassembly
- Auto-lubrication system (Lincoln)

FAST-FILLING SYSTEM

- Fast-filling system (Wiggins) for fuel, hydraulic oil, coolant, swing device oil, pump mission oil, engine oil, and grease (couplers not included)

OPTIONAL EQUIPMENT

Optional equipment may very by country, so please consult your Hitachi dealer for details.

- Electric crane (24 VDC)
- High brightness working lights.
- Back and right side color monitor camera.
- Travel motor guard.
- Fast-Filling couplers.
- Pump flow monitor system.
- Satellite data transmitting system.

LOADING SHOVEL ATTACHMENTS

BACKHOE ATTACHMENTS

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