XE1250 hydraulic excavator is an hydraulic excavator product of the ultra-large tonnage in domestic at present, which is developed by XCMG independently based on its years of R&D experiences with several proprietary intellectual property rights. The excavator is applicable to various mine construction conditions, and the R&D of the ultra-large type hydraulic excavator has technicalization, intelligentization and humanization as a whole.
Cproduct design has the following main technical characteristics:
1. Adopt the Cummins QSK50 full electronic-controlled engine and the double turbocharging technology, having full power and high fuel economy;
2. Various creative advanced hydraulic technologies, higher work efficiency, and more comfortable operation safety;
3. Unique electric control technology ensuring excellent efficiency, stability and energy conservation;
4. Higher reliability and durability;
5. The capacious and comfortable cab and the convenient maintenance and inspection channel can fully show the concept of humanized design;
6. The convenient maintenance can escort high-efficient operation...
型号 Model | XE1250 |
重量 Weight | 115000kg |
接地比压 Ground pressure | 143kpa |
司机室噪音 Noise in driver's cab (ISO 6395) | 78dB(A) |
驾驶室减振Cab damping | 4个硅油橡胶减震器 Four silicone rubber shock absorbers |
二、发动机系统 Engine system
型号 Model | QSK23-C760 |
型式 Type | 水冷、四冲程、六缸直列、直喷、涡轮增压 Water cooling、Four strokes、Six cylinders、Direct injection、Turbo-charging |
额定功率/转速 Rated power/Speed | 567kw/1800rpm |
最大扭矩/转速 Torque/Speed | 3468Nm/1350rpm |
排放标准 Emission standard | U.S.EPA Tier 2 |
排量 Displacement | 23.15L |
燃油箱容量 Fuel tank capacity | 1460L |
三、液压系统Hydraulic system
主泵数量No.of main pump | 3 |
主泵额定流量 Rated flow of main pump | 3×531L |
工作装置压力Working pressure | 34.3MPa |
回转系统压力 Pressure of swing syetem | 28 MPa |
行走系统压力 Pressure of travel system | 34.3 MPa |
先导系统压力 Pressure of pilot system | 3.9 MPa |
液压油箱容积 Hydraulic tank capacity | 640L |