Zechariah 6:2-3

6:2 Harnessed to the first chariot were red horses, to the second black horses, 6:3 to the third white horses, and to the fourth spotted horses, all of them strong. ¹ 

[6:3]  ¹ tc For the MT reading אֲמֻצִּים (’amutsim, “strong”) Aquila and Syriac presuppose אֲדֻמִּים (’adummim, “red”), thus giving the red horse an assignment and eliminating the problem of a fifth, “spotted” horse. The fourth would be a mottled red horse according to this view. There is, however, no manuscript support for this interpretation.