専用機 (sen'yōki) means a pilot's custom unit, as in シャア専用ザク, Char's Zaku. In kit names the shorter 専用 is common. Bandai's English schedule renders it with the pilot's name, as in CHAR'S ZAKU (GQ), or with CUSTOM, as in GELGOOG Menace (LUNAMARIA HAWKE CUSTOM).
Our kit database counts 241 items with 専用 in the Japanese name (Bandai's lists, read Oct 11, 2026).
Read Oct 14, 2026. The definition is ours; facts come from the pages above.