Z14 road test acceptance team

In the test, the Z14 engine was matched with the Tianlong flagship tractor . In the first half of 2018, the Tianlong flagship equipped with the ISZ13L engine achieved good sales performance and established a good reputation in the market for power and fuel consumption performance. This made the project team's staff intimately use the Guoliu Z14 engine. It is called "Dragon King". After all-round development work with the vehicle in design, performance, and electronic control, the first batch of road test vehicles loaded with “Tianlongxin” completed the acceptance work in July 2018 and officially started running.

Team member taking a group photo

The "three high test" includes three projects of high temperature, high altitude and high cold. High temperature refers to the summer calibration test. The engine is debugged under high temperature conditions (above 40 degrees Celsius) to meet the requirements of the national six emission, but also to consider the fuel consumption and power performance, and improve the adaptability of the vehicle in high temperature environment. Operational. At the same time, the status of the use limit of engine parts in high temperature environment is monitored, which provides basic data for further optimization. This is an essential part of the engine development process to ensure that the car will not open in the hot summer. And the occurrence of problems such as fire, let consumers use it with confidence.

Xinjiang Turpan high temperature test site

The high temperature test site of Dongfeng Cummins Guoliu Z14 engine is the famous "Flame Mountain"---Turpan, Xinjiang. The ambient temperature in summer can reach 40~45°C, and the surface temperature can reach above 60°C. On July 15, 2018, on August 10, 2018, the test vehicle had completed a one-month high temperature test in Turpan, Xinjiang. Through this test, the technicians have a large amount of detailed and valuable data, and the entire team is very satisfied with the test process and results.

After the high temperature test, the batch of test vehicles went directly to the Qinghai-Tibet Plateau and began a plateau test in Golmud. The test is to debug the engine at high altitude (above 4000 meters above sea level) to improve the performance of the engine plateau, so that the vehicle can maintain good power and economy at high altitude. The plateau test of the National Sixth Z14 engine will last for one to two months.

Product/service engineer is troubleshooting

It is expected that the alpine test of the Guoliu Z14 engine will also start at the end of the year, and the winter calibration test needs to debug the engine under low temperature conditions (below 30 degrees Celsius). The main test contents include low temperature startability, low temperature driving, idle speed stability, icing test, and fault diagnosis. At that time, Kangkang will have follow-up reports.

It is recognized in the industry that Dongfeng Cummins has a strong ability in the design of basic machines and power cylinders. At the same time, it continues the technical heritage of Cummins for 100 years, with updated and more complete design, development and verification workflows. Based on this, Dongfeng Cummins' new generation of heavy-duty engine Z14, which meets the national six/Euro six emission standards, can fully meet the core competitiveness of high durability, reliability, economy, power and light weight. It has set a new benchmark for the industry.

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