It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) allotted two shares for the horse and one share for the rider in the distribution of war booty.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 5286
Hadith Gradingحکم دارالسلام:إسناده صحيح ، خ : 2863 ، م : 1762 .