The BTR-4 "Bucephalus" (Ukrainian: БТР-4 «Буцефал», romanized: Butsefal, abbreviation of Бронетранспортер, Bronetransporter, 'armoured transporter') is an amphibious 8x8 wheeled Infantry fighting vehicle (IFV) designed in Ukraine by the Kharkiv Morozov Machine Building Design Bureau (SOE KMDB). They have seen action in the Russo-Ukrainian War, the capture of Jurf Al Nasr from ISIL, and the 2022 Russian invasion of Ukraine.