Zenit-3

Country of Origin: Ukraine
Manufacturer: Yuzhnoye

Height: 59.6 m
Diameter: 3.9 m
Payload to LEO: (3.75 to 6.16 tons to GTO)
Total Mass: 471 tons

Launch Sites: Baikonur, Ocean Odyseey
First Flight: March 28, 1999
Last Flight: Active
Total Launches: 45
Successful Launches: 41

Zenit-3F

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
1	3.9 m	RP-1 / LOX	RD-171	140-150 s	7908 kN	? / 337.2 s	354.35 tons / 27.56 tons
2	3.9 m	RP-1 / LOX	RD-120 + RD-8 verniers	360-370 s	912 kN + 79.4 kN	? / 349 s	90.79 tons / 8.3 tons
3 (Fregat-SB)		UDMH / N2O4	S5.92	1635 s	20.01 kN	? / 327 s	11.56 tons / 1.41 tons

Zenit-3SL

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
1	3.9 m	RP-1 / LOX	RD-171	140-150 s	7908 kN	? / 337.2 s	354.35 tons / 27.56 tons
2	3.9 m	RP-1 / LOX	RD-120 + RD-8 verniers	360-370 s	912 kN + 79.4 kN	? / 349 s	90.79 tons / 8.3 tons
3 (Block DM-SL)	3.7 m	RP-1 / LOX	RD-58M	650 s	84.9 kN	? / 352 s	17.36 tons / 2.14 tons

Zenit-3SLB

Stage	Diameter	Fuel	Engine	Time	Thrust (Vac.)	ISP (SL / Vac.)	Mass / Empty Mass
1	3.9 m	RP-1 / LOX	RD-171	140-150 s	7908 kN	? / 337.2 s	354.35 tons / 27.56 tons
2	3.9 m	RP-1 / LOX	RD-120 + RD-8 verniers	360-370 s	912 kN + 79.4 kN	? / 349 s	90.79 tons / 8.3 tons
3 (Block DM-SL)	3.7 m	RP-1 / LOX	RD-58M	650 s	84.9 kN	? / 352 s	17.36 tons / 2.14 tons