It wasnarrated from Zaid bin Khalid Al-Juhani that the Messenger ofAllah(ﷺ) said:
"Whoever equips a warrior in the cause of Allah, hewill have a reward like his, without that detracting from thewarrior's reward in the slightest." (FR)
English reference (FR): Vol. 4, Book 24, Hadith 2759 (FR)
Arabic reference (FR): Book 24, Hadith 2864 (FR)