Narrated Abu Umrah (al-Ansari?): We four persons, came to the Messenger of Allah ﷺ, and we (i. e. each one of us) had horses. He therefore, allotted one portion for each of us, and two portions for his horse.
Hadith Referenceسنن ابي داود / كتاب الجهاد / 2734
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:ضعيف, إسناده ضعيف, أبو عمرة مجھول الحال والخبر معلل, انوار الصحيفه، صفحه نمبر 99