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ZAXIS180LC
ENGINE
| Model | Isuzu AA-4BG1TCG |
| Type | 4-cycle water-cooled, direct injection |
| Aspiration | Turbocharged, intercooled |
| No. of cylinders | 4 |
| Rated power DIN 6271, net SAE J1349, net | H/P mode : 90.2 kW (123 PS,121 hp) at 2 200 min-1 (rpm) P mode : 87.4 kW (119 PS,117 hp) at 2 000 min-1 (rpm) |
| Maximum torque | 449 Nm (46 kgf m, 331 lbf ft) at 1 800 min-1 (rpm) |
| Piston Displacement | 4.329 L (264 n3) |
| Bore and stroke | 105 mm x 125 mm (4.13" x 4.92") |
| Batteries | 2 x 12 V / 55 AH |
| Governor | Mechanical speed control with stepping motor |
HYDRAULIC SYSTEM
| Work mode selector | Digging mode / Attachment mode |
| Engine speed sensing system | |
| Main pumps | 2 variable displacement axial piston pumps |
| Main pumps Maximum oil flow | 2 x 150 L/min (39.6 US gpm, 33.0 lmp gpm) |
| Pilot pump | 1 gear pump |
| Pilot pump Max. oil flow | 24.2 L/min (6.4 US gpm, 5.3 lmp gpm) |
Hydraulic Motors
| Travel | 2 variable displacement axial pistom motors |
| Swing | 1 axial piston motor |
Relief Valve Settings
| Implement circuit | 34.3 MPa (350 kgf/cm2, 4 980 psi) |
| Swing circuit | 33.3 MPa (340 kgf/cm2, 4 830 psi) |
| Travel circuit | 34.3 MPa (350 kgf/cm2, 4 980 psi) |
| Pilot circuit | 3.9 MPa (40 kgf/cm2, 570 psi) |
Hydraulic Cylinders
High-strength piston rods and tubes. Cylinder cushion mechanisms provided in boom and arm cylinders to absorb shock at stroke ends.
Dimensions
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 and quick warm-up system built in the pilot circuit.
| Implement levers | 2 |
| Travel levers with pedals | 2 |
UPPERSTRUCTURE
Revolving Frame
Welded sturdy box construction, using heavy-gauge steel plates for ruggedness. Reinforce 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 induction-hardened internal gear. Internal gear and pinion gear are immersed in lubricant.
Swing parking brake is spring-set/hydraulic-released disc type.
| Swing speed | 12.9 min-1 (rpm) |
Operator's Cab
Independent roomy cab, 1 005 mm (40") wide by 1 675 mm (66") high, conforming to ISO* Standards. Reinforced glass windows on 4 sides for visibility. Openable front windows (upper and lower).
Adjustable, reclining seat with armrests; movable with or without control levers.
* International Standardization Organization
UNDERCARRIAGE
Tracks
Tractor-type undercarriage. Welded track frame using selected materials. Side frame welded to track frame. Lubricated track rollers, idlers, and sprockets with floating seals.
Track shoes with triple grousers made of induction-hardened rolled alloy. Flat and triangular shoes are also available. 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 |
| Track shoes | 46 |
| Track guard | 1 |
Travel Device
Each track driven by 2-speed axial piston motor through planetary reduction gear for counterrotation of the tracks. Sprockets are replaceable.
Parking brake is spring-set/hydraulic-released disc type. Travel shockless relief valve built in travel motor absorbs shocks when stopping travel.
Automatic transmission system: High-Low.
| Travel speeds | High: 0 to 5.0 km/h (3.13 mph) Low: 0 to 3.0 km/h (1.88 mph) |
| Maximum traction force | 153 kN (15 600 kgf, 34 400 lbf) |
| Gradeability | 35 degree (70%) continuous |
WEIGHTS AND GROUND PRESSURE
Equipped with 5.50 m (18'1") boom, 2.70 m (8'11") arm and 0.70 m3 (0.92 d3: SAE, PCSA heaped) bucket.
ZAXIS180LC
ZAXIS180LCN
Weights of the basic machines [including 3 800 kg (8 380 lb) counterweight and triple grouser shoes, excluding front-end attachment, fuel, hydraulic oil, engine oil and coolant etc.] are:
| ZAXIS180LC | 13 800 kg (30 400 lb) with 600 mm (24") shoes |
| ZAXIS180LCN | 13 500 kg (29 800 lb) with 500 mm (20") shoes |
SERVICE REFILL CAPACITIES
BACKHOE ATTACHMENTS
Boom and arms are of welded, box-section design. 5.50 m (18'1") boom, and 2.25 m (7'5"), 2.70 m (8'11") and 3.20 m (10'6") arms are available.
Bucket is of welded steel structure. Side clearance adjust mechanism provided on the bucket joint bracket.
Buckets
