Asia & Pacific [change]
Downloadable brochures and spec sheets for current and non-current models are here.
Interview with Designers of the Mid-Size Excavators
The "Made by HITACHI" global quality standard, produced at the "Mother Design Factory" in Japan.
ZAXIS280
ENGINE
| Model | Isuzu CC-6BG1T |
| Type | 4-cycle water-cooled, direct injection |
| Aspiration | Turbocharged, intercooled |
| No. of cylinders | 6 |
| Rated power ISO 9249, net | 132 kW (177 HP) at 2 150 min-1 (rpm) |
| Rated power SAE J1349, net | 132 kW (177 HP) at 2 150 min-1 (rpm) |
| Maximum torque | 637 Nm (65 kgfm) at 1 800 min-1 (rpm) |
| Piston displacement | 6.494 L |
| Bore and stroke | 105 mm x 125 mm |
| Batteries | 2 x 12 V / 88 Ah |
HYDRAULIC SYSTEM
Hydraulic Pumps
| Main pumps | 2 variable displacement axial piston pumps |
| Main pumps Maximum oil flow | 2 x 236 L/min |
| Pilot pump | 1 gear pump |
| Pilot pump Maximum oil flow | 34.0 L/min |
Hydraulic Motors
| Travel | 2 variable displacement swash plate piston motors |
| Swing | 1 swash plate piston motor |
Relief Valve Settings
| Implement circuit | 34.3 MPa (350 kgf/cm2) |
| Swing circuit | 32.4 MPa (330 kgf/cm2) |
| Travel circuit | 34.8 MPa (355 kgf/cm2) |
| Pilot circuit | 3.9 MPa (40 kgf/cm2) |
| Power boost | 38.0 MPa (388 kgf/cm2) |
Hydraulic Cylinders
UPPERSTRUCTURE
Revolving Frame
D-section frame skirt for resistance to deformation.
Swing Device
Swash plate piston motor with planetary reduction gear is bathed in oil. Swing circle is single-row. Swing parking brake is spring-set/hydraulicreleased disc type.
| Swing speed | 10.3 min-1 (rpm) |
| Swing torque | 90.5 kNm (9 200 kgfm) |
Operator's Cab
Independent spacious cab, 1 005 mm wide by 1 675 mm high, conforming to ISO* Standards.
* International Standarisation Organisation
UNDERCARRIAGE
Tracks
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 | 2 |
| Lower rollers | 7 : ZX280-5G 8 : ZX280LC-5G |
| Track shoes | 45 : ZX280-5G 48 : ZX280LC-5G |
| Track guard | 1 : ZX280-5G/ZX280LC-5G |
Travel Device
Each track driven by 2-speed axial piston motor. Parking brake is spring-set/hydraulic-released disc type. Automatic transmission system: High-Low.
| Travel speeds | High : 0 to 5.2 km/h Low : 0 to 3.1 km/h |
| Maximum traction force | 246 kN (24 600 kgf) |
| Gradeability | 70 % (35 degree) continuous |
SERVICE REFILL CAPACITIES
| Fuel tank | 510.0 L |
| Engine coolant | 26.0 L |
| Engine oil | 25.0 L |
| Swing device | 11.7 L |
| Travel device (each side) | 9.2 L |
| Hydraulic system | 290.0 L |
| Hydraulic oil tank | 156.0 L |
WEIGHTS AND GROUND PRESSURE
Operating weight and Ground pressure
*1 :Including 1.10 m3 (ISO heaped) bucket weight (900 kg) and counterweight (5 900kg).
WEIGHT: BASIC MACHINE and COMPONENTS
Basic Machine Weight and Overall width
Excluding front-end attachment, fuel, hydraulic oil, coolant, etc., and including counterweight.
ZX280-5G
ZX280LC-5G
Component weights
BUCKET AND ARM DIGGING FORCES
* At power boost
BACKHOE ATTACHMENTS
Boom and arms are of welded, box-section design. 6.20 m boom, and 2.42 m, 3.11 m and 3.76 m arms are available. Bucket is of welded steel structure. Side clearance adjust mechanism provided on the bucket joint bracket.
