Judges 4:3

4:3 The Israelites cried out for help to the Lord, because Sisera had nine hundred chariots with iron-rimmed wheels, and he cruelly oppressed the Israelites for twenty years.

Judges 4:13

4:13 he ordered all his chariotry – nine hundred chariots with iron-rimmed wheels – and all the troops he had with him to go from Harosheth-Haggoyim to the River Kishon.