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Kubota develops large-displacement diesel engine for Chinese market   

Kubota, which holds a dominant share of the global market for industrial engines of up to 100 hp, has recently developed a large-displacement diesel engine for the Chinese market. With the new engine model added to its product lineup, the company will step up efforts to supply diesel engines to manufacturers of construction and industrial machinery with a view to also becoming the world No. 1 industrial engine manufacturer in the up to 200 hp segment.

Background

• To meet the latest emission regulations governing agricultural and construction machinery in the United States, Europe, and Japan, Kubota made an early start on developing compliant engines, taking advantage of the advanced technological strengths that it had built up over many years as a manufacturer of compact diesel and gasoline engines for industrial applications. The company has obtained relevant certifications in Europe, North America (EPA*1, CARB*2), and Japan, as well as in such countries as China, India, and Brazil, and has introduced products into those markets.
• In line with increasing international consciousness of the need to preserve the natural environment, emission standards for engines have become more stringent in many countries. All manufacturers of construction and industrial machinery are now required to build their machines with engines that comply with the latest regulations and to take measures such as adoption of after-treatment devices. Kubota is preparing to bring to market large-displacement diesel engines as each nation introduces new emission regulations, beginning with the introduction of EU Stage V regulations in 2019.
• To satisfy China NR IV standards*3, which are scheduled to come into effect in 2020, Kubota has developed an engine model that has no SCR*4 after-treatment system but still meets the standards through improvements such as combustion optimization. Including its peripheral components, the new engine model offers less volume and thus contributes to improved flexibility in the design of construction and industrial machinery, together with improved maintainability.
• Kubota is aiming to become the world No. 1 industrial engine manufacturer, not only in the up to 100 hp class but also in the up to 200 hp class, by gradually expanding its lineup of 200 hp engines.

* For a press release on the 200 hp engine series (EU Stage V)
https://www.kubota.com/news/2017/20170306.html
*1 EPA (Environmental Protection Agency): Agency of the United States federal government established to protect human health and the natural environment.
*2 CARB (California Air Resources Board): Agency established by the state government of California, U.S.A. to protect the state’s environment against air pollution effects.
*3 Emission limits for diesel engines for use in non-road mobile machinery and method for measuring emission levels (China Stage III/IV)
*4 SCR (selective catalytic reduction): Technology used to clean nitrogen oxides (NOx) from exhaust emissions discharged from diesel engines.

Outline and Features of New Model

1. High performance with low running costs
   Not only optimizes output per unit of emission but also achieves top-level low fuel consumption compared to other engines in the same power range. This model requires no SCR system and thus eliminates the need for diesel exhaust fluid (DEF) and replenishment of the fluid, leading to a reduction in running costs.
2. Compact design
   This model offers a reduction in volume because it has no SCR system or DEF tank. This enables flexible design of construction and industrial machinery.
3. Easy maintenance
   This model has a configuration that allows maintenance of all parts from one side, contributing to improved working efficiency.

Mass Production
Scheduled to commence in 2020

For inquiries regarding this product, please go to: https://global.engine.kubota.co.jp/en/contact/form.php