China Yuchai International announced that a “K-Gold” model C&C truck equipped with the YC6K1340N liquid natural gas (LNG) engine has won the “Fuel Efficient Heavy-Duty Truck of the Year 2014” at China’s largest annual commercial vehicle event.
At 13 liters, the YC6K1340N engine has the largest displacement and highest torque power among comparable natural gas engines in China. Variants in the K13N range span power ratings from 340-440 PS (250-324 kW, 335-434 hp), with 1950 N·m of torque at 1200 ~ 1500 rpm. By utilizing lean-burn technology, it reduces average energy consumption by approximately 25% compared with diesel engines of similar size and power. The model YC6K1340N is the only engine in China that utilizes the JACOBS in-cylinder brake technology, and has LNG braking power up to 17 kW/L.
|YC6KN engine. Click to enlarge.|
The engine can meet China State 5 and Euro Ⅴ and VI emission standards.
The “2014 Commercial Vehicles of the Year” competition was hosted in Beijing by Commercial Motor World Magazine. The event was co-hosted by the Research Institute of Highway Ministry of Transport, the China Automotive Technology & Research Center (CATARC), the Beijing Institute of Technology, and Tongji, Chang’An and Beihang Universities. Competitors included FAW Jiefang, Sinotruk, Auman Truck, SAIC-IVECO Hongyan and others.
The YC6K13N series of engines are produced by Y&C Engine Company. Y&C is a joint venture of China Yuchai’s main operating subsidiary, Guangxi Yuchai Machinery Company Limited with Shenzhen City Jiusi Investment Management Co., Ltd. and Jirui United Heavy Industry Co., Ltd, a company jointly established by China International Marine Containers Group Ltd. and Chery Automobile Co., Ltd.
Y&C developed the 6K series after six years of independent research, using the world-class DD13/15 as the reference platform. Y&C has 36 technical invention patents on the engine.