Roscosmos announced that a mockup of the RD-0169A rocket engine will be shown at the Army-2023 forum, which starts on August 14 in Kubinka near Moscow. It is planned to be used in the future Russian reusable Amur rocket.

Источник изображения: Roscosmos
It is assumed that five such engines will be used on the first stage of the rocket. The RD-0169A engine, created at KBKhA, is made according to a scheme with afterburning of oxidative generator gas, has a thrust of 100 tons near the Earth, and a multiplicity of use of up to ten times.
Roscosmos

The Russian space agency reported that work on the new engine has reached the stage of manufacturing the first prototype: the production of components and assemblies is being carried out in the workshops, after which the first engine will be assembled for ground-based autonomous tests.