Sahih Bukhari Volume 005, Book 059, Hadith Number 537.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 59. Military Expeditions Led by the Prophet (PBUH) (Al-Maghaazi)
Narrated By Ibn 'Umar : On the day of Khaibar, Allah's Apostle divided (the war booty of Khaibar) with the ratio of two shares for the horse and one-share for the foot soldier. (The sub-narrator, Nafi' explained this, saying, "If a man had a horse, he was given three shares and if he had no horse, then he was given one share.")