The parameters of the Hitachi ZX870H series excavator mainly include the working weight of the entire machine, bucket capacity, boom length, stick length, rotation speed, walking speed, climbing ability, bucket digging force, stick digging force, engine model, rated power, displacement, number of cylinders, cylinder diameter x stroke, cooling method, etc. The specific parameters are as follows: 12
Working weight of the entire machine: The working weight of the ZX870H series excavator is approximately 82100kg to 82600kg, depending on the model.
Bucket capacity: The bucket capacity is 4.5 cubic meters (rock bucket).
Boom length: The boom length is 7.1H and 8.4H respectively, depending on the model.
Stick length: The stick length is 2.95H and 3.7H respectively, depending on the model.
Rotation speed: The rotation speed is 7.3rpm.
Walking speed: The walking speed is divided into high speed and low speed, which are 4.1 km/h and 3.1 km/h respectively.
Climbing ability: The climbing ability is 70/35 °, indicating the ability to work on different slopes.
The digging force of the bucket and the digging force of the stick are 402kN and 359kN, respectively.
Engine model: The engine model is Isuzu ISUZU AH-6WG1XYSA-03, with a rated power of 397Kw/1800rpm and a displacement of 15.691L. The number of cylinders is 4, and the cylinder diameter x stroke is 147 x 154mm. The cooling method is water cooling.
Hydraulic system: The main pump type is a variable axial piston pump × 2+gear pump × 1, with a maximum flow rate of 529L/min × 2+30L/min × 1. The walking hydraulic motor type is an axial piston motor × 2 (with parking brake), and the rotating hydraulic motor type is an axial piston motor × 2. The working hydraulic circuit pressure is 31.9MPa, the walking hydraulic circuit pressure is 34.3MPa, the rotating hydraulic circuit pressure is 29.4MPa, and the pilot oil circuit pressure is 3.9MPa.
Oil capacity: The fuel tank capacity is 1120L, the hydraulic tank capacity is 500L, the engine oil change quantity is 57L, and the coolant capacity is 116L.
Main dimensions: The total transportation length is 13520mm to 14770mm, the total transportation width is 4430mm, the total transportation height is 5200mm to 4570mm, the total height of the cab is 3780mm, the ground clearance of the counterweight is 1680mm, the grounding length of the track is 4590mm, the total length of the track is 5840mm, the width of the track plate is 650mm, the total width of the track is 4100mm, and the track gauge is 3450mm.
These parameters provide the basic performance and technical specifications of the Hitachi ZX870H series excavator, helping users understand its applicability and working ability.
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