Long March 4
Country of Origin: China
Manufacturer: CALT
Height: 41.9 – 45.8 m
Diameter: 3.35 m
Payload to LEO: 4.2 tons
Total Mass: 249 tons
Launch Sites: Jiuquan, Taiyuan
First Flight: September 6, 1988 (4A), May 10, 1999 (4B)
Last Flight: Active
Total Launches: 104
Successful Launches: 101
Long March 4B
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.35 m | UDMH / N2O4 | 4 x YF-21C | 4 x 740.4 kN | 260.7 s / ? | Prop mass: 182 tons | |
| 2 (YF-24C) | 3.35 m | UDMH / N2O4 | YF-22C + 4 x YF-23C verniers | 741.4 + 47.1 kN | ? / 298 s | Prop mass: 52.7 tons | |
| 3 | 2.9 m | UDMH / N2O4 | 2 x YF-40 | 2 x 50.4 kN | ? / 303s | Prop mass: 14 tons |
Long March 4C
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.35 m | UDMH / N2O4 | 4 x YF-21C | 4 x 740.4 kN | 260.7 s / ? | Prop mass: 182 tons | |
| 2 (YF-24C) | 3.35 m | UDMH / N2O4 | YF-22C + 4 x YF-23C verniers | 741.4 + 47.1 kN | ? / 298 s | Prop mass: 52.7 tons | |
| 3 | 2.9 m | UDMH / N2O4 | 2 x YF-40A | 2 x 50.4 kN | ? / 303s | Prop mass: 14 tons |
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