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|Country of origin||USSR/Russia|
|Propellant||LOX / rocket grade kerosine|
|Cycle||Staged combustion cycle (rocket)|
|Thrust (vac.)||833 kilonewtons (187,000 lbf)|
|Isp (vac.)||350 s|
|Burn time||315 seconds|
|Length||12.7ft / 3.9m|
|Diameter||6.4ft / 2.0m |
|Dry weight||1,125 kilograms (2,480 lb)|
|Zenit-2, Zenit-3SL upper stage|
The RD-120 is a LOX/Kerosene upper stage engine that is used in the Zenit family of launch vehicles.
It should not be confused with the RD-0120, which is a discontinued LOX/hydrogen rocket engine that was used in the Soviet Energia launch system.
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