Gross Mass: 355,000 kg.
Empty Mass: 35,000 kg. Thrust (vac): 806,200 kgf. Isp: 337 sec. Burn time: 145 sec. Propellants: Lox/KeroseneIsp(sl): 309 sec. Diameter: 3.9 m. Span: 4.2 m. Length: 37.7 m. Country: Ukraine. No Engines: 1. RD-170Status: Hardware. Comments: Essentially identical to Zenit stage 1.