NET
4 David seized from him 1,700 charioteers and 20,000 infantrymen. David cut the hamstrings of all but 100 of the chariot horses.
Darby
4 And David took from him one thousand seven hundred horsemen, and twenty thousand footmen; and David houghed all the chariot [horses], but reserved of them [for] a hundred chariots.
KJV
4 And David took from him a thousand [chariots], and seven hundred horsemen, and twenty thousand footmen: and David houghed all the chariot [horses], but reserved of them [for] an hundred chariots.