|Type||4-cycle water-cooled, direct injection|
|No. of cylinders||4|
|Rated power DIN 6271, net||40.5 kW (55 PS) at 2 100 min-1 (rpm)|
|Rated power SAE J1349, net||39 kW (52 hp) at 2 100 min-1 (rpm)|
|Maximum torque||192 Nm (19.6 kgf m, 142 lbf ft) at 1 800 min-1 (rpm)|
|Piston Displacement||3.059 L (187 n3)|
|Bore and stroke||95.4 mm x 107 mm (3.76" x 4.21")|
|Batteries||2 x 12 V / 52 AH|
|Governor||Mechanical speed control with stepping motor|
|Swing-independent 3-pump hydraulic system|
|OHS (Optimum Hydraulic System) assures fully independent and combined operations|
|New-type automatic 2-speed motor increases traction force and travel speed|
|Main pumps||3 variable displacement axial piston pumps|
|Main pumps Maximum oil flow||2 x 63 L/min (16.6 US gpm, 13.9 lmp gpm)
1 x 52.5 L/min (13.9 US gpm, 11.6 lmp gpm)
|Pilot pump||1 gear pump|
|Pilot pump Max. oil flow||22.5 L/min. (5.9 US gpm, 5.0 lmp gpm)|
|Travel||2 variable displacement axial piston motors|
|Swing||1 axial piston motor|
Relief Valve Settings
|Implement circuit||26.0 MPa (265 kgf/cm2, 3 770 psi)|
|Swing circuit||22.6 MPa (230 kgf/cm2, 3 270 psi)|
|Travel circuit||31.4 MPa (320 kgf/cm2, 4 550 psi)|
|Pilot circuit||3.9 MPa (40 kgf/cm2, 570 psi)|
High-strength piston rods and tubes. Cylinder cushion mechanisms provided in boom and arm cylinders to absorb shock at stroke ends.
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.
Demolition version ZAXIS80LCK use other type of high-performance full flow filters with clog indicator.
Pilot controls. Hitachi's original shockless valve and quick warm-up system built in the pilot circuit.
|Travel levers with pedals||2|
|Attachment pedals (Demolition Version ZAXIS80LCK)||1|
Welded sturdy box construction, using heavy-gauge steel plates for ruggedness. D-section frame for resistance to deformation.
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||11.3 min-1 (rpm)|
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 vinyl seat.
* International Standardization Organization
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
|Track shoes||38: ZAXIS70
40: ZAXIS70LC ZAXIS80LCK
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 (3.1 mph)
Low: 0 to 3.4 km/h (2.1 mph)
|Maximum traction force||47.8 kN (4 870 kgf, 10 700 lbf)|
|Gradeability||35 degree (70%) continuous|
SERVICE REFILL CAPACITIES
WEIGHTS AND GROUND PRESSURE
ZAXIS70 / ZAXIS70LC:
Equipped with 3.72 m (12'2") boom, 1.62 m (5'4") arm and 0.28 m3 (0.37 d3: PCSA heaped) for ZAXIS70, 0.33 m3 (0.43 d3: SAE,PCSA heaped ) for ZAXIS70LC bucket.
Equipped with 4.00 m (13'1") K-boom, 2.12 m (6'11") K-arm and 0.28 m3 (0.37 d3: SAE,PCSA heaped) reinforced bucket.
Weights of the basic machines [including 700 kg (1 540 lb) counterweight and triple grouser shoes, excluding front-end attachment, fuel, hydraulic oil, engine oil and coolant etc.] are:
|ZAXIS70||4 950 kg (10 900 lb) with 450 mm (18") shoes|
|ZAXIS70LC||5 030 kg (11 100 lb) with 450 mm (18") shoes|
|ZAXIS80LCK||5 700 kg (12 600 lb) with 450 mm (18") shoes|
ZAXIS70 / ZAXIS70LC with Off-set front:
Equipped with 1.62 m (5'4") arm and 0.28 m3 (0.37 d3: SAE,PCSA heaped) bucket.
Weights of the basic machines [including 800 kg (1 760 lb) counterweight and triple grouser shoes, excluding front-end attachment, fuel, hydraulic oil, engine oil and coolant etc.] are:
|ZAXIS70||5 060 kg (11 200 lb) with 450 mm (18") shoes|
|ZAXIS70LC||5 140 kg (11 300 lb) with 450 mm (18") shoes|
Boom and arms are of all-welded, box-section design. 3.72 m (12'2") boom, 1.62 m (5'4") and 2.12 m (6'11") arms are available.
Bucket is of all-welded steel structure. Side clearance adjust mechanism provided on the bucket joint bracket.