Downloadable brochures and spec sheets for current and non-current models are here.
Interview with Designers of the Ultra-Large Excavators
The cutting-edge technologies for downtime and maintenance cost reduction, developed on the world-class EX8000 Ultra-Large Excavator, are adopted to the New EX-6 Series Giant Models.
ZAXIS470R
ENGINE
| Model | Isuzu AH-6WG1XYSA-01 |
| Type | 4-cycle water-cooled, direct injection |
| Aspiration | Turbocharged |
| No. of cylinders | 6 |
| Rated power ISO 9249, net (Without Fan) | H/P mode : 260 kW (349 HP) at 1 800 min-1 (rpm) |
| Rated power EEC 80/1269, net (Without Fan) | H/P mode : 260 kW (349 HP) at 1 800 min-1 (rpm) |
| Rated power SAE J1349, net (Without Fan) | H/P mode : 260 kW (349 HP) at 1 800 min-1 (rpm) |
| Maximum torque | 1 580 Nm (161 kgfm) at 1 500 min-1 (rpm) |
| Piston displacement | 15.681 L |
| Bore and stroke | 147 mm x 154 mm |
| Batteries | 2 x 12 V / 170 Ah |
HYDRAULIC SYSTEM
| Work mode selector | General purpose mode / Attachment mode |
| Engine speed sensing system | |
| Main pumps | 2 variable displacement axial piston pumps |
| Main pumps Maximum oil flow | 2 x 360 L/min |
| Pilot pump | 1 gear pump |
| Pilot pump Max. oil flow | 30 L/min |
Hydraulic Motors
| Travel | 2 axial piston motors with parking brake |
| Swing | 2 axial piston motors |
Relief Valve Settings
| Implement circuit | 31.9 MPa (325 kgf/cm2) |
| Swing circuit | 27.9 MPa (285 kgf/cm2) |
| Travel circuit | 34.3 MPa (350 kgf/cm2) |
| Pilot circuit | 3.9 MPa (40 kgf/cm2) |
| Power boost | 34.3 MPa (350 kgf/cm2) |
Hydraulic Cylinders
High-strength piston rods and tubes. Cylinder cushion mechanisms provided in boom and arm cylinders to absorb shock at stroke ends.
Dimensions
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Hydraulic Filters
Hydraulic circuits use high-quality hydraulic filters. A suction filter is incorporated in the suction line, and full-flow filters in the return line and swing/travel motor drain lines.
CONTROLS
Pilot controls. Hitachi's original shockless valve.
| Implement levers | 2 |
| Travel levers with pedals | 2 |
UPPERSTRUCTURE
Revolving Frame
Welded sturdy box construction, using heavy-gauge steel plates for ruggedness. D-section frame for resistance to deformation.
Swing Device
Axial piston motor with planetary reduction gear is bathed in oil. Swing circle is single-row, shear-type ball bearing with inductionhardened internal gear. Internal gear and pinion gear are immersed in lubricant.
Swing parking brake is spring-set/hydraulic-released disc type.
| Swing speed | 9.0 min-1 (rpm) |
Operator's Cab
Independent spacious cab, 1 005 mm wide by 1 795 mm high, conforming to ISO* Standards. (OPG top guard fitted Level II (ISO 10262) compliant cab) Reinforced glass windows on 4 sides for visibility.
Reclining seat with armrests; adjustable with or without control levers.
* International Standardization Organization
UNDERCARRIAGE
Tracks
Tractor-type undercarriage. Welded track frame using selected materials.
Side frame bolted to track frame. Lubricated track rollers, idlers, and sprockets with floating seals.
Track shoes with triple grousers made of induction-hardened rolled alloy.
Heat-treated connecting pins with dirt seals. Hydraulic (grease) track adjusters with shock-absorbing recoil springs.
Numbers of Rollers and Shoes on Each Side
| Upper rollers | 3 |
| Lower rollers | 8: ZX470R-3 9: ZX470LCR-3 |
| Track shoes | 47: ZX470R-3 53: ZX470LCR-3 |
| Full track guard | 1 |
Travel Device
Each track driven by axial piston motor through reduction gear for counterrotation of the tracks. Sprockets are replaceable. Parking brake is spring-set/hydraulic-released disc type.
Automatic transmission system: High-Low.
| Travel speeds | High : 0 to 5.5 km/h Low : 0 to 3.4 km/h |
| Maximum traction force | 322 kN (32 800 kgf) |
| Gradeability | 70 % (35 degree) continuous |
WEIGHTS AND GROUND PRESSURE
ZX470R-3:
Equipped with 7.0 m R-boom, 3.4 m R-arm, and 1.9 m3 R-bucket (SAE, PCSA heaped) .
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ZX470LCR-3:
Equipped with 7.0 m R-boom, 3.4 m R-arm, and 1.9 m3 R-bucket (SAE, PCSA heaped).
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SERVICE REFILL CAPACITIES
| Fuel tank | 725.0 liters |
| Engine coolant | 55.0 liters |
| Engine oil | 57.0 liters |
| Swing device (each side) | 6.5 liters |
| Travel device (each side) | 11.0 liters |
| Hydraulic system | 560.0 liters |
| Hydraulic oil tank | 330.0 liters |
BACKHOE ATTACHMENTS
Boom and arms are of all-welded, box-section design. A number of boom and arms are available. Bucket is of all-welded, high-strength steel structure. The ZX470R-3 / ZX470LCR-3 / ZX520LCR-3 are a heavy duty type and euipped with a reinforced R-boom or BER-boom and R-arm or BER-arm.
Backhoe Buckets
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