It wasnarrated that Anas bin Malik said:
"The Messenger of Allah(ﷺ)used to visit the sick, attend funerals, accept the invitationsofslaves and ride donkeys. On the day (of the battle) of Quraizah andNadir, he was riding a donkey. On the day of Khaibar he was riding adonkey that was bridled with palmfibers and beneath him was apacksaddle made of palmfibers."
English reference: Vol. 5, Book 37, Hadith 4178
Arabic reference: Book 37, Hadith 4318