Mahabharata 4.30.30

4.30.30

tadbalāgryaṃ virāṭasya saṃprasthitamaśobhata |
dṛḍhāyudhajanākīrṇaṃ gajāśvarathasaṃkulam || 30 ||

And the principal warriors of Matsya who cheerfully followed the king had eight thousand cars, a thousand elephants and sixty thousand horses. And, O bull among the Bharatas, that force of Virata, O king, as it marched forth marking the footprints of the cattle looked exceedingly beautiful. And on its march that foremost of armies owned by Virata, crowded with soldiers armed with strong weapons, and abounding in elephants, horses and cars, looked really splendid.'"