From Zhangye in Gansu to the north, the farthest to Urumqi, the whole journey is 1403.1 kilometers; the south is farthest, farthest to Shenzhen, the whole journey is 2888.3 kilometers, and this is carried in Chengdu, Shenzhen, Jinan, Urumqi and other parts of the country, this Dongfeng Cummins ISZ The 480-horsepower Dongfeng Tianlong KX took only 44 months to achieve a record of 1.08 million kilometers of accumulated mileage without major repairs.

This is not the first Dongfeng Tianlong KX in the forward animal husbandry team to achieve over one million kilometers without overhaul.

Another farm on the forward ranch equipped with Dongfeng Cummins ISZ engine over one million kilometers without overhaul Tianlong KX

Dairy shipments are afraid of problems halfway. As the first ISZ engine with a cumulative mileage of more than one million kilometers without overhaul, there is no precedent for reference. Therefore, after the mileage of the vehicle exceeds one million kilometers, the current captain of the Gansu Qianmu Animal Science and Technology Co., Ltd., the captain of the cattle, began to worry. "What is the state of the engine? How long can it run? Will the performance show a cliff-like recession? ?"

In the face of customer's doubts and anxieties, Dongfeng Cummins did not follow the so-called "feeling" route, but simply and rudely chose to speak with "facts."

Forward animal husbandry captain - cattle captain

On September 20, 2019, under the joint witness of the team leader of the Advance Shepherd Team, the Deputy General Manager of the Dongfeng Cummins Business Office (position?) and the China Truck Network reporter, the first million kilometers without overhaul ISZ engine dismantling It officially started in Zhangye City, Gansu Province. In the long time waiting for the dismantling of other external parts, the reporter interviewed the captain of the cow.

Doubt: "What is the state of the engine after more than a million kilometers?"

As one of the leading enterprises in the field of raw milk supply in China, Advance Animal Husbandry covers the whole country, and the farthest can be directly from Shenzhen to Shenzhen. The captain of the cattle told the reporter that fresh milk transportation is about fresh-time, so when choosing a car, it puts high demands on the power and stability of the vehicle.

The Advance Animal Husbandry Team uses the Dongfeng Tianlong KX equipped with the Oriental Cummins ISZ series engine.

According to the leader of the cattle team, this dismantled Dongfeng Tianlong KX equipped with 480 horsepower is the first batch of Dongfeng Windmill purchased by Advance Animal Husbandry. Since November 2015, as of the current three years and seven months, the accumulated mileage has reached 1.08 million kilometers. "At the time, a total of five top-loaded Tianlong KX equipped with Dongfeng Cummins ISZ 480 horsepower engine were purchased." The captain of the cattle told reporters that "in addition to this one, the other four Dongfeng Tianlong KXs have also surpassed 1 million kilometers." ”

After the disassembly is completed, the parts are neatly displayed

The captain of the cattle told the reporter that as of now, there are 48 Tianlong KXs equipped with Dongfeng Cummins ISZ series engines, including 38 of 480 horsepower and 10 of 560 horsepower. "There are not only a few super-million-kilometer Tianlong KXs that have been overhauled in the fleet, but there are also more than 700,000 overhauls without overhaul." The captain of the cattle revealed.

Regardless of the team, the captain of the cattle revealed to reporters that he personally has full trust in the Dongfeng Cummins engine. "I started from the truck in 2000, and the car was driven by Dongfeng Cummins' engine." From 160 horsepower to 292 horsepower, from 375 horsepower to the current 480 horsepower, 560 horsepower "Dongfeng Cummins engine power, explosive, And fuel economy has always been perfect."

Crankshaft close-up

Rest assured: "I thought the engine status would be good, but I didn't expect it to be so good."

With the opening of the cylinder head, the various components were gradually disassembled, and the atmosphere at the scene began to become tense. The captain of the cow picks up a part from time to time, wipes the carbon deposits or residual oil on the surface, and looks at the light; or looks at the inside of the engine near the disassembly area. "Look here," the captain of the cow pointed to the end of the putter and told reporters that "it is very smooth here. If it is not good for running-in, it will not show such a smooth state."

Crankshaft close-up

The disassembled parts are lined up on the chopping board. After a series of clean observations on the push rods, connecting rods, camshafts, cylinder liners, connecting rods, and main shaft tiles, Dongfeng Cummins Gansu Kang Jian, sales manager of the business department, told the reporter that the running-in condition of each component is good, and the wear condition is within the standard value, especially the camshaft and crankshaft. After cleaning, it can be said to be almost as clean as new. For the situation in the tank, whether it is Kang Jian or the captain of the cattle, they are very surprised. "I thought that the situation is good, but I did not expect the situation is very good." The captain of the cow smiled and told the reporter.

Confusing: "The product itself and the habits of use are important factors in achieving a million kilometers."

It is understood that the Dongfeng Cummins ISZ series engine is designed with integrated design to minimize the application of unnecessary parts and reduce the frequency of failure. At the same time, in order to ensure the consistency of the status of each component, Dongfeng Cummins assembly workshop It maintains a constant temperature of 26 °C throughout the year, and introduces intelligent equipment in key parts, such as intelligent measures such as robot tightening torque to ensure the consistency and stability of assembly of various parts. In addition to the engine's own protection, the user's use and maintenance are also very important.

After disassembly, parts display (partial)

The reporter learned from the team leader that because the team is often in a state of people stopping, in order to avoid different driving habits of different drivers and increase vehicle wear, the team regularly systematically trains drivers to ensure operational standards. At the same time, in order to avoid the loss of inferior oil to the engine, the Advance Animal Husbandry Team clearly stipulates that the vehicle adopts the national standard oil, and the engine oil and urea are also purchased from the Dongfeng Cummins authorized service station, which minimizes the external wear and consumption of the engine. The vehicle is always in excellent condition in terms of power.

Tile situation close-up

After reviewing the internal situation, the head of the Dongfeng Cummins ISZ 480 horsepower engine with an average of 1.08 million kilometers in 3 years and 8 months without overhaul and high-speed road conditions with an average fuel consumption of 32 liters, the captain of the cattle said very satisfaction. At this time, the captain of the cattle not only paid attention to the remaining four vehicles in the team that were over 1 million kilometers without overhaul, but also filled the expectation and confidence of the vehicles that had accumulated over 700,000 kilometers without overhaul.

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