Hitachi EX8000 Excavator
Mining Excavators 2011
Hitachi’s ETS (Electronic Total control System) can achieve maximum job efficiency by reducing fuel consumption and noise levels, while maximizing productivity through the optimization of engine-pump functions with excellent controllability increasing operator comfort.
E-P Control (Computer-aided Engine-Pump Control system)
Main pumps regulated by electric engine-speed sensing control system.
I-OHS (Integrated Optimum Hydraulic System)
16 main pumps and 6 control valves and 2 set of flow-assisting valves enable both independent and combined operations of all functions.
FPS (Fuel-saving Pump System)
FPS minimizes energy loss with superior performance in fine control.
Auto-Idling system for saving fuel and reducing noise.
Hydraulic drive cooling-fan system for oil cooler.
Hydraulic drive cooling-fan system for radiator.
Forced-lubrication and forced-cooling pump drive system.
Main pumps 16 variable-displacement, axial piston pumps for front attachment, travel and swing
Main pumps Pressure setting 29.4 MPa (300 kgf/cm2)
Main pumps Max.oil flow 16 x 500 L/min
Pilot pump 2 gear pump
Pilot pump Pressure setting 4.4 MPa (45 kgf/cm2)
Pilot pump Max.oil flow 2 x 110 L/min
Model Cummins QSKTA60-CE
Type Water-cooled, 4-cycle,16-cylinder, turbo-charged and after-cooled, direct injection chamber-type diesel engine
Rated power SAE J1995, gross 2 x 1 450 kW (2 x 1 940 HP) at 1 800 min-1 (rpm)
Rated power Net 2 x 1 450 kW (2 x 1 940 HP) at 1 800 min-1 (rpm)
Maximum torque 2 x 8 364 Nm (2 x 853 kgf m) at 1 500 min-1 (rpm)
Piston displacement 2 x 60 L
Bore and stroke 159 mm X 190 mm
Starting system 24 V electric motor
Batteries 8 x 12 V , 8 x 220 AH
Cold starting Ether aided
Contact;
Hitachi Power Systems America Ltd.
645 Martinsville Road
Basking Ridge, NJ 07920
Tel: 908 605-2800
Fax: 908 604-6211
Tags : axial piston pumps, CONTROL, cooling fan system, engine, kgf, martinsville road, piston displacement, Power, pump, reducing fuel consumption