S 5.2
   
Propellant: HNO3 / Kerosene
Thrust: 14,918 kgf (v)
Thrust: 13,470 kgf (sl)
Launch vehicles: Hwasong, Shahab, Qiam, Al-Hussein, Burkan, Paektusan-1
 
   
  
Nodong
  
Propellant: HNO3 / (CH3)2NNH2
Thrust: 28,440 kgf (sl)
Burn time: 120 s
Launch vehicles: Safir
First flight: 1998
 
   
  
Nodong
  
Propellant: HNO3 / (CH3)2NNH2
Thrust: 28,440 kgf (sl)
Burn time: 120 s
Launch vehicles: Paektusan, Uha 2
First flight: 2006
 
 
  
Nodong +
  
Propellant: N2O4 / (CH3)2NNH2
Thrust: 33,225 kgf (v)
Thrust: 30,407 kgf (sl)
Burn time: 120 s
Specific impulse: 255 s (v)
Specific impulse: 232 s (sl)
Launch vehicles: Uha 3, Safir 1A, Simorgh
First flight: 2012
 
 
  
LRE-4
  
Propellant: N2O4 / (CH3)2NNH2
Thrust: 1.800 kgf (v)
Launch vehicles: Paektusan 2, Safir
 
 
  
LRE-4+
  
Propellant: N2O4 / (CH3)2NNH2
Thrust: 1.804 kgf (v)
Launch vehicles: Uha 2 / 3, Safir, Simorgh
 
 
  
LRE-15
  
Propellant: N2O4 / (CH3)2NNH2
Thrust: 3,399 kgf (v)
Thrust: 3,749 kgf (v)
Launch vehicles: Simorgh
 
 
  
LRE-X
  
Propellant: N2O4 / (CH3)2NNH2
Thrust: 3,186 kgf (v)
Launch vehicles: Uha 2 / 3
 
   
  
KRE-75
   
Propellant: O2 / Kerosene
Thrust (sl): 76,274 kgf (v)
Thrust (sl): 66,944 kgf (sl)
Specific impulse: 298 s (v)
Specific impulse: 261 s (sl)
Launch vehicles: KSLV-2
First flight: 2022
 
   
  
KRE-75 vac
   
Propellant: O2 / Kerosene
Thrust (sl): 80,710 kgf (vl
Specific impulse: 315 s (v)
Launch vehicles: KSLV-2
First flight: 2022
 
   
  
KRE-07v
   
Propellant: O2 / Kerosene
Thrust (sl): 6,995 kgf (v)
Specific impulse: 325 s (v)
Launch vehicles: KSLV-2
First flight: 2022
 
   
  
RD-868
  
Propellant: N2O4 / (CH3)2NNH2
Thrust: 249 kgf (v)
Specific impulse: 325 s (v)
Launch vehicles: Vega
First flight: 2012
 
   
  
Rutherford-1
   
Propellant: O2 / Kerosene
Thrust (sl): 18,823 kgf (v)
Thrust (sl): 15,652 kgf (sl)
Specific impulse: 272 s (sl)
Specific impulse: 327 s (v)
Launch vehicles: Electron
First flight: 2017
 
   
  
Rutherford-1 vac
   
Propellant: O2 / Kerosene
Thrust (sl): 2,263 kgf (v)
Specific impulse: 330 s (v)
Launch vehicles: Electron
First flight: 2017