Numbers 7:9

9 But Moses did not give any to the Kohathites, because they were to carry on their shoulders the holy things, for which they were responsible.

Read Numbers 7:9 Using Other Translations

But unto the sons of Kohath he gave none: because the service of the sanctuary belonging unto them was that they should bear upon their shoulders.
But to the sons of Kohath he gave none, because they were charged with the service of the holy things that had to be carried on the shoulder.
But he gave none of the wagons or oxen to the Kohathite division, since they were required to carry the sacred objects of the Tabernacle on their shoulders.