Credit: Khrunichev. 10,372 bytes. 162 x 178 pixels.
Manufacturer Name: RD-253. Government Designation: 14D14. Designer: Glushko. Developed in: 1990-99. Application: Proton KM-1. Used on stages: Proton KM-1. Used on launch vehicles: Proton 8K82KM. Propellants: N2O4/UDMHThrust(vac): 178,000 kgf. Thrust(vac): 1,746.00 kN. Isp: 317 sec. Isp (sea level): 285 sec. Burn time: 108 sec. Mass Engine: 1,300 kg. Diameter: 1.2 m. Chambers: 1. Chamber Pressure: 157.00 bar. Country: Russia. Status: In Production. References: 219 . Comments: Developed in 1990s.