China Truck Network reporter learned at the scene, Dongfeng Dolika D12 models can be equipped with Dongfeng Cummins ISB 5.9 and ISD 6.7 two 6-cylinder engines. At the same time, the engine is matched with Fast Transmission and Dana Axle, which form a golden power chain to ensure the reliable quality of the vehicle. In addition, the application of new technologies and new materials such as aluminum alloy fuel tanks, aluminum alloy gas cylinders, vacuum tires, and small leaf springs has also greatly reduced the vehicle's weight.
Dongfeng Dolika D12, Dongfeng Cummins Engine
How much is the weight reduced and how much can a user pull for a single shipment?
According to Dongfeng Cummins technicians, the ISD6.7 engine adopts a lightweight structure design. The flywheel housing and gear chamber are made of high-pressure cast aluminum. Some parts are made of high-strength composite materials and are 20% lighter than similar domestic products. Matching the Dolika D12 model, it is 500 kg lighter than other 12-meter cars, which means that users can transport half a ton of cargo each time.
In addition, the maximum power of the ISD 6.7 National Five-Series engine has been upgraded to 300 hp and the maximum torque has reached 1100N.m. The engine can achieve maximum torque between 1200-1800 rpm, which can fully meet the user's demand for high timeliness.
Dongfeng Cummins Party Secretary and Deputy General Manager Huang Naixu
Lightweight and high timeliness are all there. What are the fuel consumption problems that users are most concerned about?
According to the China Truck Network reporter, the fuel economy of the ISD 6.7 five-series engine is relatively wide. The minimum specific fuel consumption is only 193g/kWh, which is about 5% lower than the industry average. In addition, the application of Dr. Kang and C-LINK also reduced the overall vehicle fuel consumption by at least 1.1L.
Dongfeng Cummins ISD 6.7 Five Series Engine
Liu Yagui, Director of System Integration Department of Dongfeng Cummins, told the China Truck Network reporter: “The C-LINK system is a fleet management system developed exclusively for the team. It can provide vehicle fleet positioning, fuel consumption statistics, fault warning, and alarm for the logistics fleet, and it has a complete vehicle With some weighing functions, the system can obtain driver's driving behavior analysis in more detail by obtaining the underlying data of the engine and help the driver to improve fuel consumption.â€
Dongfeng Cummins System Integration Minister Liu Yagui
Now, light weight, high timeliness, and low fuel consumption have all been met. If there is even higher reliability, it will be even more perfect. However, Dongfeng Cummins is to be perfect.
The reporter learned at the scene that the ISD 6.7 engine has adopted a modular design, the total number of parts is about 20% less than a conventional engine, and the number of connection points is small, and the failure rate is accordingly reduced. At the same time, the crankshaft of the engine is made of alloy steel forging, which effectively increases the fatigue strength of the crankshaft. After being verified by millions of fatigue tests, the service life of the crankshaft is also due to competing products.
Minister Liu Yagui said that the bottom of the ISD 6.7 engine is matched with a cylinder stiffener to reduce engine vibration noise while enhancing the strength of the main body. In addition, the engine can achieve up to 60,000 kilometers of maintenance cycles, further satisfying the user maintenance of the economy.
As a world-class power Dongfeng Cummins Engine, it is always welcomed by users with reliable quality and efficient fuel economy. The launch of Doli Card D12 with Dongfeng Cummins Power Co., Ltd. will also set off an upsurge of sales in the industry and gain a higher market share.
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