a new cart. This was done in ignorance of God's requirement (Numbers 4:15; Numbers 7:9; Numbers 10:21). They could not have complied with the Law, even if they had known it; hence, no judgment fell on them. But contrast David's "new cart", and see note on 2 Samuel 6:3.
Related Commentaries of 1 Samuel 6:7
1 Samuel 6:7
7 Now therefore make a new cart, and take two milch kine, on which there hath come no yoke, and tie the kine to the cart, and bring their calves home from them: