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Hitachi Excavators ZX33U-5A

Hitachi Mini Excavators - ZAXIS33U
Zero Tail Swing
Superior Operator Comfort and Safety
Powerful Hydraulics
Legendary Hitachi Reliability
Hitachi's Zero Tail Swing mini excavator range keeps your tail completely tucked in, with no overhang. So you can focus on the job in front of you instead of what's behind you.

Specifications

Model CodeZX33U-5A
Engine Rated Power21.2 kW (28.4 HP)
Operating WeightCanopy 3 130 - 3 540 kg
Cab 3 310 - 3 720 kg
Backhoe BucketISO Heaped : 0.08 m3
ENGINE
ModelYanmar EDM-3TNV88
Type4-cycle water-cooled, direct injection
No. of cylinders3
Rated power ISO 9249, net21.2 kW (28.4 HP) at 2 400 min-1 (rpm)
Rated power EEC 80/1269, net21.2 kW (28.4 HP) at 2 400 min-1 (rpm)
Rated power SAE J1349, net21.2 kW (28.4 HP) at 2 400 min-1 (rpm)
Maximum torque105.5 Nm (10.8 kgfm) at 1 000 min-1 (rpm)
Piston displacement1.642 L
Bore and stroke88 mm x 90 mm
Batteries1 x 12 V / 55 Ah
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HYDRAULIC SYSTEM
Hydraulic Pumps
Main pumps2 variable displacement axial piston pumps
1 gear pump
Main pumps Maximum oil flow2 x 38.4 L/min
1 x 22.8 L/min
Pilot pump1 gear pump
Pilot pump Maximum oil flow10.8 L/min
Hydraulic Motors
Travel2 variable displacement axial piston motors
Swing1 axial piston motor
Relief Valve Settings
Implement circuit24.5 MPa (250 kgf/cm2)
Swing circuit16.7 MPa (170 kgf/cm2)
Travel circuit24.5 MPa (250 kgf/cm2)
Pilot circuit3.9 MPa (40 kgf/cm2)
Hydraulic Cylinders
UPPERSTRUCTURE
Revolving Frame
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. Swing parking brake is spring-set/hydraulic-released disc type.
Swing speed9.1 min-1 (rpm)
Swing torque5.1 kNm (520 kgfm)
Operator's Cab
Independent spacious cab, 1 049 mm wide by 1 611 mm high, conforming to ISO* Standards. Reinforced glass windows on 4 sides for visibility. Front windows (upper and lower) can be opened. Reclining seat.
* International Organization for Standarization
UNDERCARRIAGE
Tracks
Tractor-type undercarriage. Welded track frame using selected materials. Side frame welded to track frame.
Numbers of Rollers on Each Side
Upper roller1
Lower rollers4
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 speedsHigh : 0 to 4.3 km/h
Low : 0 to 2.8 km/h
Maximum traction force27 kN (2 750 kgf)
Gradeability58% (30 degree) continuous

SERVICE REFILL CAPACITIES
Fuel tank42.0 L
Engine coolant3.9 L
Engine oil7.2 L
Travel device (each side)0.6 L
Hydraulic system56.0 L
Hydraulic oil tank32.0 L
WEIGHTS AND GROUND PRESSURE
Operating Weight and Ground Pressure
4-PILLAR CANOPY 
Including 0.08 m3 (ISO heaped), bucket weight (67 kg).
* Including 0.08 m3 (ISO heaped), bucket weight (67 kg), additional counterweight (190 kg).
CAB 
Including 0.08 m3 (ISO heaped), bucket weight (67 kg).
* Including 0.08 m3 (ISO heaped), bucket weight (67 kg), additional counterweight (190 kg).
BUCKET AND ARM DIGGING FORCE
Unit: mm
* Excluding track shoe lug Data in ( ) are dimensions of grouser shoe.
Notes: 1. Ratings are based on ISO 10567.
2. Lifting capacity does not exceed 75% of tipping load with the machine on firm, level ground or 87% full hydraulic capacity.
3. The load point is the center-line of the bucket pivot mounting pin on the arm.
4. *Indicates load limited by hydraulic capacity.
5. 0 m = Ground.
For lifting capacities, subtract bucket and quick hitch weight from lifting capacities without bucket.
ZX33U-5A 4-Pillar Canopy Version, Blade above Ground
ZX33U-5A 4-Pillar Canopy Version, Blade on Ground
ZX33U-5A 4-Pillar Canopy Version, Blade above Ground
ZX33U-5A 4-Pillar Canopy Version, Blade on Ground
ZX33U-5A Cab Version, Blade above Ground
ZX33U-5A Cab Version, Blade on Ground
ZX33U-5A Cab Version, Blade above Ground
ZX33U-5A Cab Version, Blade on Ground
HIGH PERFORMANCE
Agility Stands for Efficiency
Swift Actions in Narrow Work Place
Short rear-end swing design allows for safe, confident operation in tight work areas.
Shown equipped with 1.52 m arm, extra piping and additional counterweight.
Excellent Controllability
The Hitachi pilot control system is impressive. The control lever provides excellent fine control and low-effort handling to reduce operator fatigue. It is ergonomically positioned for easy operation. The multi-monitor allows selection of ECO and PWR modes to control the motion speed. With the engine control dial, you can also adjust engine speed with ease. The auto speed change system shifts down travel speed when the load exceeds a certain limit (for instance, when going downhill), and shifts up when the load is less.
Control lever
Shown equipped with auxiliary function lever.
Reduced Fuel Consumption
A new engine has an electronic governor that is a clue to low fuel consumption. With an electronic accelerator, you can achieve precision engine control for fuel economy. To conserve fuel, select ECO mode, and to get more power, select PWR mode. In short, you can choose an optimum mode according to job needs.
The Auto Idle helps save fuel consumption, too. When moving the control lever to neutral, the Auto Idle automatically reduces engine speed to idling level four seconds later, reducing fuel consumption.
Standard and optional equipment may vary by country, so please consult your Hitachi dealer for details.

Unit: mm
Excluding track shoe lug.




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