Fifth-generation engine to increase speed of Su-57 fighter - RUSSIAN AVIATION

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Fifth-generation engine to increase speed of Su-57 fighter

Russian Aviaton » Thursday December 25, 2025 16:10 MSK

The advanced fifth-generation engine 'Product 177' will increase the speed and range of the Su-57 fighter jet, CEO of Russia’s stat-run corporation Rostec Sergey Chemezov said, answering a TASS question.

"It has a much longer service life, higher speed, longer range, and quite a number of superior characteristics," he told reporters before a State Council meeting dedicated to personnel training for the Russian economy.

Rostec previously reported that the Su-57 fighter jet took to the skies with the advanced fifth-generation engine ‘Product 177.’ The engine was specifically developed by the United Engine Corporation (UEC) for use in fifth-generation aircraft systems. The state corporation added that UAC is currently implementing a program to expand production capacity, which will allow it to increase the volume of Su-57 aircraft deliveries to the military and offer an export version of the fighter to foreign customers.

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