An upgraded version of the Long March 8, the
Long March 8A (), has successfully debuted on February 11, 2025 with increased capability of up to 7 tonnes to a 700 km altitude
sun-synchronous orbit. Its
hydrolox 2nd stage has a larger diameter (to match the 3.35 meters diameter core stage), and has 2 upgraded versions of the
YF-75D engines (known as the YF-75H) with increased thrust to 10 tonnes each through measures such as increased turbopump speeds. The Long March 8A can also use a larger 5.2 meters diameter payload fairing. == Launch statistics ==