The Kolesov RD-36 was a supersonic turbojet engine used on various Soviet aircraft projects.

A simplified version with a fixed nozzle for the high-altitude Myasishchev M-17 was designated RD-36-51B.

The engine's specifications were:[1] For the high-altitude M-17 "Stratosphera" aircraft (NATO reporting name Mystic-A) a single-shaft TRD RD36-51B was created.

This was a modified version of the RD36-51A engine with an unregulated nozzle and oxygen supply to the combustion chamber.

The engine provided long-duration operation at an altitude of 26,000 m (85,000 ft) at low flight speed (M = 0.6).