Long March 3B
Long March 3B is the four-booster branch of the Long March 3A series. The family encompasses the discontinued 5,100-kilogram standard configuration, the enlarged 5,500-kilogram Long March 3B/E configurations, and mission-specific combinations with the Yuanzheng 1 upper stage.
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Identity
- Aliases
- Chang Zheng 3BCZ-3BLM-3B长征三号B
- Family Name
- Long March 3
- Full Name
- Long March 3B
- Status
- active
- Type
- rocket
- Variant Name
- B
Details
- Description
- Long March 3B is the four-booster branch of the Long March 3A series. The family encompasses the discontinued 5,100-kilogram standard configuration, the enlarged 5,500-kilogram Long March 3B/E configurations, and mission-specific combinations with the Yuanzheng 1 upper stage.
- Dimensions
- Diameter M
- 3.35
- Height M
- 56.326
- First Flight Year
- 1,996
- Manufacturer
- Parent Vehicle Family
- Propulsion Configurations
- Entries
- Nested value
- Nested value
- Nested value
- Nested value
- Name
- Long March 3B standard four-booster configuration
- Notes
- CNSA identifies CZ-3B as a three-stage launcher with four strap-on boosters, N2O4/UDMH on stages 1–2, and LOX/LH2 on stage 3. The stage identities remain intentionally integrated because the cited official material does not name narrower YF models.
- Rocket Specs
- Liftoff Mass Kg
- 458,970
- Payload Capacity Kg
- Gto
- 5,500
- Reusability
- expendable
- Stages Count
- 3
- Strap On Boosters Count
- 4
Links
- Official Url
- https://cgwic.com/Launchservice/LM3B.html
- Wikipedia Url
- https://en.wikipedia.org/wiki/Long_March_3B
Assets & Meta
- Creation Time
- July 13, 2026 at 10:15:44 UTC
- Updated Time
- August 13, 2026 at 23:09:29 UTC
- Image
- Download
Other
- Search Name
- Long March 3B Chang Zheng 3B CZ-3B LM-3B 长征三号B