As a new member of the Cummins Million Kilometer Club, Xinjiang user Jiang Zhenhui has received a lot of attention since it was reported. As we all know, no major overhaul of the engine in one million kilometers is not all trucks can do it casually. This is not only a test of engine quality, but also a maintenance test for users. So, how did Master Jiang's engine achieve millions of kilometers without major repairs? Let's solve the mysteries together!
Overload and standard engine are OK
Master Jiang was a Shaanxi Heavy Truck equipped with Xi'an Cummins, which was purchased in 2009. The truck just bought it and ran an overloaded coal shipment with heavy responsibility. "In the first half of the year, we were all overloaded and transported coal from Hami to Gansu. When it was many, it was able to pull 120 tons of vehicles. Later, it was only after running Zhejiang and Guangzhou that it began to include the standard." Master Jiang said that when transported in Hami, There are dirt roads on the road. The dirt road can best reflect the performance of the engine, especially in the anti-noise and maintenance rate. The quality of the Xi'an Cummins engine is absolutely reliable, and other engines are not comparable.
Heavy trucks with 1 million kilometers of Cummins engine without major repairs
Master Jiang used a 385-horsepower engine, which not only performed stable under overload conditions, but also performed well when he encountered downhill slopes. From Hami to Guangzhou, nearly 4,000 kilometers away, basically 90% of the highway, in addition to some provincial highways in Ningxia, mainly in the Qinling region will have some downhill sections. “In the Qinling area, there are many uphill slopes, which are often dozens of kilometers of steep slopes. When you go uphill, you don’t have to work hard. Other brands of vehicles are not able to work. It’s very hard to go up, and the exhaust brake of this engine is also very It's good, safe, and basically it doesn't matter how much you can manage to go uphill easily."
Master Jiang of Xinjiang
Of course, in addition to the quality of the engine itself, Master Chiang is also very meticulous about the maintenance of the engine: "I basically do maintenance in Hami. When the engine is running to 8000-10000 kilometers, I will do a replacement of the three filters, especially The Cummins oil was used in the early stage to ensure a smooth running of the engine. The cost of a basic maintenance is basically 1100-1200 yuan."
Using more than 1 million kilometers of operation so far, Master Jiang’s engine has almost no maintenance other than a slightly worn-out exterior. Only the supercharger’s tubes have experienced problems. Even the sound has been maintained very well. There is no increase in the use of time. Big noise.
Big engine dismantling revealed the mysteries of no major repairs
Has the Xi'an Cummins engine been really running as it was today, as the master Chiang said, the quality is very good, and there have been no major problems? For the true verification, the Xi'an Cummins maintenance technology team intentionally dismantled the engine. What is the result of the dismantling?
Technician Performs Cummins Engine Parts Inspection Without Million Kilometer
Master Jiang used the ISM385 30 engine produced in October 2008. The engine was exposed after cleaning. After field dismantling, it was found that the engine's line connection and fuel supply pipe connections were normal. The torque of the cylinder head was tested with 32 sets of data, and it was all within the normal range. In addition, the 14 sets of torques measured for the main bearing caps were also within the normal range, indicating that the engine has never been overhauled.
At the same time, maintenance personnel in turn dismantled and confirmed the other parts of Xi'an Cummins Engine. After dismantling it was discovered that neither the push rod, the inner hole, nor the locking piece of the single-piece rocker arm was bright as new, no abnormal scratches occurred, and most importantly, the carbon deposit of the injector of the engine was very small. In this engine is very rare, the filter does not appear charred phenomenon, proved that the engine burns very well.
In addition, the engine's camshafts and cylinder liners have been lubricated into place, and even some traces of the initial processing of parts have been worn out. Instead, the smoothness brought by the smooth running of the parts is as good as a mirror. effect. The display of such parts and components reveals the fact that Xi'an Cummins has no major repairs!
After Xi'an Cummins quality engineer's verification, the Xi'an Cummins engine used by Master Jiang indeed achieved a million kilometers of no major repairs, indicating Cummins technology from the United States, the reliability of the engine is very secure, but also reflects the Master Jiang for Xi'an The maintenance of the Cummins engine is in full compliance with the engine maintenance specifications and its maintenance requirements are strictly implemented. "My car has been in operation for five or six years. It is still so good to run one million kilometers. I believe we can continue to work!" Master Jiang is more confident in Xi'an Cummins!
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