313D2 excavator adopts CAT3054C direct injection engine, although direct injection and electric injection have two kinds of advantages, it is undeniable that the electric jet engine is a little difficult to use, the quality of oil is higher, the direct injection can greatly reduce the requirements of oil 名媛直播. In the present working environment, the direct injection can greatly reduce the maintenance rate. The efficiency of fuel oil is higher. The performance is more stable and reliable, which not only reduces energy consumption, but also improves the lifting force and digging force.
313D2's direct injection engine is less sensitive to oil requirements, so the failure rate caused by the oil is reduced, thus reducing the cost of maintenance and maintenance. 313D2 is converted to a direct injection engine and has good adaptability to the requirements of the oil 名媛直播. Carter's word of mouth has been eating hard and hard work, nibbling hard bones, and complex construction environment on the plateau. Better engine conditions, but also increased the power of the engine to 70kw, the fuel consumption is said to be reduced, the 313D2 mechanical engine can be more durable, not picky oil leather durable and durable high value.
From the electric spray to the direct injection, it has the advantages of small wear and maintenance of the machine. The electric spray is more sensitive to the quality of the oil 名媛直播. The sulfur content in the diesel oil in China is high. In the combustion process, the water, impurities and aromatic hydrocarbons that have adverse effects on the fuel system will be produced, and the impurities will accelerate the wear and even die of the movement pairs. Aromatic hydrocarbon will make the rubber lose elasticity and affect the seal. The direct injection engine in China is still more practical and advantageous.
It is more suitable for the equipment situation in China after the electric injection of the engine, although the electric jet engine is more advanced, but the requirements for environmental protection are very high, especially for the requirements of fuel and the convenience of maintenance. The electric jet engine has no direct injection. The general electric spray machine is to be replaced for 1500 hours and the other is about to be changed. The cost is more than 20 thousand, and the quality of the oil is very high. Although the direct injection is not so environmentally friendly, the maintenance cost is much lower. It can be replaced by only about 1000 yuan in two or three years, and the maintenance is also convenient. In China, the direct injection is still more practical.
