An upgraded version of the Long March 8, the Long March 8A, will debut in 2025 with increased capability of up to 7 tonnes to a 700 km altitude sun-synchronous orbit. It implements a larger 3.35 meters diameter liquid hydrogen/liquid oxygen second stage, coupled with 2 upgraded version 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.
Stats
Height Standard: 50.34 m (165.2 ft)
Height Core only: 48 m (157 ft)
Diameter: 3.35 m (11.0 ft)
Mass Standard: 356,000 kg (785,000 lb)
Mass Core only: 198,000 kg (437,000 lb)
Stages: 2
Caption courtesy of Wikipedia. Photo courtesy of Yukino / SRA.