Downloadable brochures and spec sheets for current and non-current models are here.
EX8000
ENGINE
| 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 |
HYDRAULIC SYSTEM
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 |
Relief Valve Settings
| Implement circuit | 29.4 MPa (300 kgf/cm2) |
| Swing circuit | 29.4 MPa (300 kgf/cm2) |
| Travel circuit | 29.4 MPa (300 kgf/cm2) |
| Pilot circuit | 4.4 MPa (45 kgf/cm2) |
Hydraulic Cylinders
High-strength piston rods and tubes adopted. Cylinder cushion mechanisms are provided for boom, arm, bucket and dump cylinders. Stroke-end control system is provided for arm, bucket cylinders. Bucket cylinders are provided with protector.
Cylinder Dimensions Loading shovel
Hydraulic Filters
All hydraulic circuits have high-quality hydraulic filters for protection against oil contamination and longer life of hydraulic components.
CONTROLS
2 Implement Levers
Electric joystick control levers. Right lever is for boom and bucket control, left lever for swing and arm control. 2 pedals provided for opening/closing the bottom dump bucket.
2 Travel Levers with Pedals
Remote-controlled hydraulic servo system. Independent drive at each track allows counter rotation of tracks.
UPPERSTRUCTURE
Revolving Frame
A deep, full-reinforced box section. Heavy-gauge steel plates used for ruggedness.
Deck Machinery
Maintenance accessibility is the major feature in the layout of deck machinery. Folding stairs provides easy access to the deck machinery. And also the side walk provides easy access to engines, hydraulic and electrical components.
Swing Device
6 high-torque, axial-piston motors with two-stage planetary gear bathed in oil. Swing circle with dirt seals is a heavy-duty, triple-row, cylindrical roller bearing. Induction-hardened internal swing circle gear and pinion immersed in lubricant. Parking brake of spring-set/hydraulic-released disc type. This parking brake in manually releasable.
| Swing speed | 3.2 min-1 (rpm) |
Operator's Cab
The sturdy cab, with the top guard conforming to OPG Level II (ISO), helps protect the operator from falling objects. 1 800 mm width, 3 360 mm length, 2 150 mm height, roomy cab with tinted-glass windows features all-round visibility. Multi-Display (color LCD 10.5 inch) for centralized information of machine status. Color monitor cameras for rear, right side, left lower views. Pressurized 3 air conditioning system.
| Noise level | 75 dB(A) in the cab; on max. engine speed under no-load condition. |
| Eye level height | 9 000 mm |
UNDERCARRIAGE
Tracks
Shovel-type undercarriage. Dual-flanged-type bolt linkage for side frame and X-form center frame assures durability. Heavy-duty track frame of all-welded, stress-relieved structure. Top-grade materials used for toughness. Lifetime-lubricated induction-hardened track rollers, idlers and drive tumblers with floating seals. Specially heat-treated connection pins. Hydraulic track adjuster provided with N2 gas accumulator with relief valve. Track adjuster provided with protection device against abnormal tension. Travel motion alarm device.
Shovel-type Undercarriage
Triple grouser shoes specially heat treated cast steel.
| Shoe width | 1 850 mm |
Numbers of Rollers and Shoes (Each Side)
| Upper rollers | 3 |
| Lower rollers | 7 |
| Track shoes | 39 |
Travel Device
Each track driven by high-torque, axial piston motors, allowing counter rotation of tracks. 2-stage planetary gear plus spur gears reduction device. Dual-support-type traction device. Parking brake of spring-set/hydraulic-released disc type. This parking brake can be manually releasable.
| Travel speeds | High : 0 to 2.0 km/h Low : 0 to 1.4 km/h |
| Maximum traction force | 3 000 kN (306 000 kgf) |
| Gradeability | 60 % (30 degree) max. |
WEIGHTS AND GROUND PRESSURE
Loading Shovel
Equipped with 40.0 m3 (heaped) bottom dump bucket.
SERVICE REFILL CAPACITIES
LOADING SHOVEL ATTACHMENTS
Boom and arm are of all-welded, low-stress, high-tensile strength steel full-box section design.
