Yanmar Develops New Industrial Diesel Engines



Yanmar has developed 2 industrial diesel engines, the 3TN86CHT and 4TN86CHT, that comply with EU StageV and U.S. EPA/CARB Tier 4 emission regulations.

The new engines integrate the latest diesel engine technology born from Yanmar’s extensive engine development experience to deliver a high power density. To increase power output, a new turbocharger design has been implemented, along with higher strength in various engine parts. As a result, the 3TN86CHT and 4TN86CHT have 20% and 14% more power output, respectively, than TNV models of the same displacement with intercooled turbo in the current lineup.

The compact outline of the engine was designed in consideration of engine bay dimensions, making it easier to install in the manufacturers’ equipment. In addition, increasing the output of the exhaust gas after-treatment system without making it larger contributes to improved operator’s visibility and comfort.

The new engine is equipped with Yanmar’s proprietary DPF system for capturing particulate matters. This system, which has been well received in the market, works well at high altitudes and at low temperatures, and under all work conditions, from light to heavy loads. In addition, the DPF cleaning service has a long interval of 6,000 hours.

With beginnings in Osaka, Japan, in 1912, Yanmar was the first to succeed in making a compact diesel engine of a practical size in 1933. Then, with industrial diesel engines as the cornerstone of its enterprise, Yanmar has continued to expand as a provider of small and large engines, construction, agricultural and marine equipment, energy systems, machine tools, and components.

Source: Yanmar Co., Ltd.

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