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Kubota Diesel Engines Between 56 and 130kW Receive Certification for CARB Tier 4 Final Emissions Regulations

Liquid cooled Diesel Engine V3800-TIEF4
Liquid cooled Diesel Engine V3800-TIEF4

The next emissions regulations for non-road diesel engines with an output range between 56 and 130 kW will come into effect in North America in January 2015. Kubota's non-road diesel engines between 56 and 130 kW are in compliance with the latest emission regulations. These engines have been certified by the U.S. Environmental Protection Agency (EPA) and the European Union (EU) and most recently by the California Air Resources Board (CARB). These engines will be installed in Kubota brand tractors and construction machinery. The engines for non-captive product will also be available for construction and industrial machinery. Mass production will start from October 2014.

Tier 4 Final and Stage IV are very stringent emission regulations. They require NOx (nitrogen oxide) reduction by about 90% in comparison with the current regulations. Kubota has adopted selective catalytic reduction (SCR) for NOx reduction. Together with the Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC), Kubota has developed the integrated technology and system to comply with the latest regulations. Kubota has maintained its compact design with these new engine models and in some cases has even increased the output compared to previous engine models.

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