The AMX-011 Zaku III is a Mobile Suit developed by Neo Zeon as the successor to the Principality of Zeon’s MS-06 ZAKU II.

The AMX-011 Zaku III features a simplistic, versatile design with the ability to utilize optional equipment packs to serve various combat roles. Approximately 33% larger than its predecessor, it benefits from drastically improved power output and acceleration, showcasing the rapid advancements in Mobile Suit production discovered in the decade following the One Year War.

Though this AMX-011S Zaku III Custom and the "mass production" version share identical performance, the former utilizes several optional components to enhance its capabilities, including a pair of external propellant tanks!