Long March 4B
Long March 4B is an improved three-stage member of the Long March 4 series with greater payload capability and a larger fairing than 4A. It primarily serves sun-synchronous and other low-Earth-orbit missions and remains in operational use.
Follow this vehicle family
Future launches and major activity directly linked to this vehicle family.
Identity
- Aliases
- Chang Zheng 4BCZ-4BLM-4B长征四号乙
- Family Name
- Long March 4
- Full Name
- Long March 4B
- Status
- active
- Type
- rocket
- Variant Name
- B
Details
- Description
- Long March 4B is an improved three-stage member of the Long March 4 series with greater payload capability and a larger fairing than 4A. It primarily serves sun-synchronous and other low-Earth-orbit missions and remains in operational use.
- Dimensions
- Diameter M
- 3.35
- Height M
- 47.977
- First Flight Year
- 1,999
- Manufacturer
- Parent Vehicle Family
- Propulsion Configurations
- Entries
- Nested value
- Nested value
- Nested value
- Name
- Long March 4B standard three-stage configuration
- Notes
- CNSA identifies LM-4B as a three-stage launcher using N2O4/UDMH propulsion; exact engine models are intentionally not inferred from the cited vehicle-level sources.
- Rocket Specs
- Payload Capacity Kg
- Sso
- 2,650
- Reusability
- expendable
- Stages Count
- 3
Links
- Wikipedia Url
- https://en.wikipedia.org/wiki/Long_March_4B
Assets & Meta
- Creation Time
- July 13, 2026 at 11:29:37 UTC
- Updated Time
- August 13, 2026 at 23:33:37 UTC
- Image
- Download
Other
- Search Name
- Long March 4B Chang Zheng 4B CZ-4B LM-4B 长征四号乙