ZM-70 7.5ton Crawler Excavator Machine

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4. ZM-70 7.5ton Crawler Excavator Machine
Introduction of ZM-70 7.5ton Crawler Excavator Machine 
1. ZM-70 7.5ton Crawler Excavator Machine designed with mature hydraulic system, Easy to operate. High working efficiency. Main hydraulic parts are imported from Korea, Japan. Stable working performance. 
2. Structural parts are all made by our company; main parts are all under nondestructive inspection treatment, which ensure the parts` strength and stiffness. Main structural parts are treated by shot blasting, which increase the adhesion of painting, prevent from corrosion, and finally prolong the service time of the excavator. 
Parameter of ZM-70 7.5ton Crawler Excavator Machine
  
             Engine       Travel System
Model Cummins QSF2.8T Travel motors Eaton, USA;
Type Turbocharged, 4 stroke, direct injection, water cooled Support roller quantities 2×6
  Carrier roller quantities 2×1
No. of cylinder 4 Travel shoes 2X39
 
       Hydraulic System Cab & Electrical System
Pump KPM, Japan Cab Cab installed with silicon oil rubber, adjustable luxurious seat, cold and warm air-conditioning system plus flexible pilot control system
Type variable double–piston pump  
Max. discharge flow 2X79.2(L/min)  
Max. discharge pressure  
Boom, arm and bucket 27.5 MPa Voltage 12V
Travel circuit 23.5 MPa Batteries 1X12V
Swing circuit 23.5 MPa Battery capacity 120Ah
Control circuit 3.9 MPa Boom, Arm & Bucket
Pilot control pump Gear type Boom cylinder Φ110xΦ75xS1000-L1480
Main control valves KYB, Japan Arm cylinder Φ100xΦ65xS870-L1335
Oil cooler Air cooled type Bucket cylinder Φ55xΦ90xS710-L1115