A.M. Isayev Chemical Engineering Design Bureau

The A.M. Isayev Chemical Engineering Design Bureau (Russian: Конструкторское бюро химического машиностроения имени A.M. Исаева), also known as KB KhimMash or just KBKhM, is a Russian rocket engine design and manufacturing company. It is located in the city of Korolyov. It started as the OKB-2 division of the NII-88 research institute, where A.Isaev directed the development of liquid rocket engines for ballistic missile submarines.

Current engines
Engines in current production:
 * Monopropellant Thrusters
 * DOT-5
 * DOT-25
 * MLC-10
 * MLC-50
 * Bipropellant Thrusters
 * S5.142 (DST-25)
 * DST-50
 * DST-100
 * DST-100A
 * DST-200
 * DST-200A
 * DMT-6
 * DMT-500
 * DMT-600
 * DMT-1000
 * DMT-2200
 * Main propulsion
 * S5.80
 * S5.92
 * S5.98
 * KVD-1
 * Propulsion Modules
 * KTDU-80
 * Experimental Engines
 * S5.86.1000-0

Former engines
Engines that are no longer produced.


 * Monopropellant Thrusters
 * S5.70: Used on Phobos 1 spacecraft.
 * S5.70: Used on Phobos 1 spacecraft.
 * Bipropellant Thrusters
 * S5.144: Used on the control module 17D61 of the Ikar.
 * S5.205
 * Orbit Correction Engines
 * S5.4: Liquid engine burning TG-02 and AK20F in the gas generator cycle. Used to deorbit Vostok, Voskhod and Zenit.
 * S5.35: Backup engine of the KTDU-35.
 * S5.53: Orbital correction engine for the lunar version of the Soyuz.
 * S5.60: Main engine of the KTDU-35.
 * S5.66: Maneuvering engine version for the Salyut 1 and Salyut 4 stations. Also was composed of primary and secondary engines.
 * S5.79: Pressure-fed rocket engine burning N2O4/UDMH. Used as the main orbital engine of Salyut-6, Salyut-7, Mir Core Module and Zvezda.
 * Propulsion Modules
 * KDU-414: Pressure-fed liquid rocket engine burning UDMH and RFNA. Used on early soviet deep space probes.
 * KTDU-35: Liquid rocket engine burning UDMH and AK27I in the gas generator cycle. Used on first generation Soyuz, and Progress.
 * KTDU-425: Pump-fed liquid rocket engine. Used on the 4MV bus employed by unmanned Mars and Venus probes.
 * KTDU-426: Spacecraft version of the S5.79. Used on the Soyuz-T.
 * Military Missiles
 * RD-1
 * RD-1M
 * Y-1250
 * U-400-10
 * PT 45-2
 * SU-1500
 * Y-2000
 * S09.19A?
 * S09.29A S09.29.0-0
 * S09.29D
 * S09.29B
 * S09.29.0-OV?
 * S09.29.0-OV?
 * S2.145
 * S2.145
 * S2.168A
 * S2.168B
 * S2.219
 * S.911.0100 S2.219?
 * S2.244
 * S2.258
 * S2.260
 * S2.268
 * S2.514
 * S2.711
 * S2.711V S2.711V1
 * S2.720
 * S2.720.A2
 * S2.720M
 * S2.721 S2.721V
 * S2.722
 * S2.722V
 * S2.726
 * S2.727
 * S2.751V?
 * S2.1100: A TG-02/AK20K burning engine. Development years: 1955–1958. For use in the booster module of the Burya intercontinental cruise missile project.
 * S2.1150: An improved version of the S2.1100. Development years: 1958–1960. For use in the booster module of the Burya project.
 * S2.1200
 * S5.1
 * S.5.6.0000.0
 * S5.15
 * S5.33
 * S5.33A S5.33M
 * S5.41
 * S5.44 5D25
 * S5.57
 * S5.44 5D25
 * 5D25N
 * S5.83
 * Rocket engines for ICBM and SLBM
 * S2.253 (8D511): A kerosene/AK20 burning engine in the pressure fed cycle. Development years: 1951-1955 . For use in first versions of Scud-A. Ignition by hypergolic start fuel TG-02.
 * S2.253A: A kerosene/AK-20 burning engine in the pressure fed cycle. Development years: 1953-1959 . For use in the RSM-11FM. Ignition by hypergolic start fuel TG-02.
 * S2.713: A TG-02/AK27I burning engine in the gas generator cycle. Development years: 1956-1961 . For use in the R-13. It included a fixed nozzle and four verniers.
 * S5.2 (9D21): A TM-185/AK-27I burning engine in the gas generator cycle. Development years: 1959-1962 . For use in the R-17.
 * S5.3: A TG-02/AK-27I burning engine in the gas generator cycle. Development years: 1958-1963 . For use in the R-21.
 * S5.3M: A TG-02/AK-27I burning engine in the gas generator cycle. Development years: 1960. Project for the ICBM R-9B.
 * 4D10: A UDMH/N2O4 burning engine in the staged combustion cycle. Development years: 1962-1968 . For use as main engine of the first stage of R-27. First engine submerged in the propellant tank.
 * 4D10: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1963-1968 . For use as the steering engine of the first stage of the R-27. Submerged in the propellant tank.
 * 4D76: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1964-1971 . For use as main engine of the second stage of R-29. Submerged in the propellant tank.
 * 4D76M: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1969-1970 . Improved version of the 4D-76.
 * 4D28: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1968-1970 . For use on the second stage of the rocket RSM-27K.
 * 3D20: A UDMH/N2O4 burning engine in the staged combustion cycle. Development years: 1971-1973 . For use as main engine RSM-27U.
 * 3D20: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1971-1973 . For use as steering engine R-27U.
 * 3D41: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1973-1975 . For use on the second stage of R-29R. Submerged in the propellant tank.
 * 3D42: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1973-1975 . For use on warhead of the R-29R . Four fixed main combustion chambers and four verniers.
 * 3D67?: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1976-1980 . For use on warhead of the R-39. Dual-mode rocket engine with multiple regimen.
 * 3D36: A UDMH/N2O4 burning engine in the gas generator cycle. Development years: 1980-1986 . For use on warhead of the R-29RM.
 * 3D38: A UDMH/N2O4 burning engine in the staged combustion cycle. Development years: 1980-1986 . For use on the second stage R-29RM. Submerged in the propellant tank.
 * 3D39: A UDMH/N2O4 burning engine in the staged combustion cycle. Development years: 1980-1986 . For use on the third stage R-29RM. Submerged in the propellant tank.