ShanTui Excavator, Mini Excavator, Small Excavator, Medium Excavator, Large Excavator,
Crawler Excavator, Hydraulic Crawler Excavator, Wheeled Excavator
Shantui Construction Machinery Co., Ltd., founded in 1980, was a national category I key enterprise integrating research & development, production and sales of main engine products and key components of earth moving machinery, pavement construction & compaction machinery, building machinery, hoisting machinery and other construction machinery series products; and it is also a state-owned joint-stock listed company. It is one of the top 50 manufacturers of construction machinery in the world.
7 ton Shantui excavator hydraulic excavator SE70-9
Engine model: Kubota V3307T (Tier 3)
Rated power: 48.9 kW/2000 rpm
Operating weight: 7.65 t
Technical Features:
*The Ku-bo-ta V3307T engine conforms to the China-III emission regulation and features high energy-saving and environmental-friendliness, low noise, strong power, and excellent highland
adaptability. The aluminum paralleling radiator features large heat dissipation area and good heat dissipation performance.
*The imported hydraulic units from world's renowned brands and the load-sensing hydraulic system with constant power and electronic proportional control supply the oil of required pressure
and flow based on the load to minimize the energy loss and realize good motion coordination.
*The accelerator features rapid and accurate control. The application of non-linear multi-dimensional power control optimization improves the working efficiency and reduces the fuel
consumption. The preset working modes of Heavy-Load (P), Economic (E), Automatic (A), and Breaking Hammer (B) are at the user's free choice based on the actual working condition. The
friendly human-machine interface eases the operations.
*The cab boasts comfortable operation space with broad vision field and the effective color matching of upholstery and reasonable arrangement of controls as per the ergonomic principle. The
high performance shock absorbers feature high vibration isolation, low stiffness, and good vibration and shock absorption to guarantee the user's operation comfort.
*The extended and widened wheel tread and track gauge, the enhanced working device, and the reasonably arranged parts guarantee the high safety, stability, and reliability of the machine.
*The streamline appearance design and the coordinated matching between colors and markings forge the China's first-class appearance of machine.
Performance Parameters:
| ENGINE | Model | Kubota V3307T |
| Type | Water-cooling, turbo charging | |
| Quantity of cylinders | 4 | |
| Bore x stroke | 94 x 120 mm | |
| Displacement | 3.3 L | |
| Power output | 48.9 kW/2000 rpm | |
| Maximum torque | 263.1NM/1400rpm | |
HYDRAULIC SYSTEM | Pump | Imported |
| Type | Variable piston pump | |
| Maximum discharge flow | 160 L/min | |
| Control circuit | 3.5 MPa | |
| Travel circuit | 28 MPa | |
| Swing circuit | 23.5 MPa | |
| TRAVEL SYSTEM | Travel motor | Variable axial piston motor |
| Travel brakes | Lubricated double-disc | |
| Parking brake | Pressure release | |
| Travel shoes | 2 x 39 | |
| Travel speed | 2.9/4.8 km/h | |
| Drawbar pulling force | 63 kN | |
| Gradeability | 70% | |
| Minimum ground clearance | 385 mm | |
| OIL CAPACITY | Fuel tank | 120 L |
| Cooling system | 11 L | |
| Engine oil | 11 L | |
| Hydraulic oil tank | 140 L | |
| System capacity | 160 L | |
| SWING SYSTEM | Brake | Pressure Release Mechanical Braking |
| Swing speed | 11 rpm | |
| Tail swing radius | 1880 mm | |
| Arm digging force | 44 KN | |
| Bucket digging force | 66 KN | |
| BUCKET | Bucket capacity | Backhoe bucket 0.32 m3 (SAE) |
| Number of bucket teeth | 5 | |
| Bucket width | 860 mm | |
| Arm length | 1.65 m | |
Maximum digging reach/ Maximum digging reach at ground level | 6.36 m/ 6.205 m | |
| Maximum digging depth/height | 4.12 m/6.945 m | |
| Maximum dumping height | 4.895 m | |
| Minimum swing radius | 2.04 m |
Product features
*Originally imported Kubota engine. The engine conforms to China-III emission regulation and features strong power, low fuel consumption, and prominent performance and the aluminum
paralleling radiator features good heat dissipation performance.
*Originally imported hydraulic system. The four-pump constant power control mode is adopted to realize the perfect matching between hydraulic system and engine, reduce the fuel
consumption, and improve the efficiency and the double-pump confluence technology is applied for the boom and arm to realize high motion speeds and stable and efficient operations.
*Electro-mechanically integrated intelligent electronic control system with proprietary intellectual property rights. The multi-functional LCD display can realize the data acquisition and
transmission, orientation, control, protection, and remote firmware upgrade and achieve high intelligent control.
*All-new cab with broader vision field and more reasonable space layout. The air-cushioned seats and the ergonomic control system realize simpler and more comfortable operations and
minimize the driver's fatigue.
*High reliability traveling mechanism and working device. The application of strength calculation, finite element analysis, and new structures and new materials for the structural parts
improves the reliability of the structural parts.
*Convenient repairs and maintenances. The application of full-opening front and rear hoods and side gates and the central lubrication system for slewing system realizes convenient and
efficient maintenances and reduces the maintenance costs.
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