Bamidbar 4:30

30 From shloshim shanah (thirty years old) and upward even until chamishim shanah (fifty years old) shalt thou number them, every one that entereth into the tz’va (holy militia service of Hashem), to do the work of the Avodat Ohel Mo’ed.

Bamidbar 4:30 Meaning and Commentary

Numbers 4:30

From thirty years old and upward
The Septuagint version here, and in ( Numbers 4:3 Numbers 4:23 ) , renders it, from twenty five years old and upward, agreeable to ( Numbers 8:24 ) , at the which age the Levites went into the tabernacle, to wait and to learn their business, but they did not enter upon it till thirty;

even unto fifty years old shalt thou number them;
at which age they were discharged from business:

everyone that entereth into the service, to do the work of the
tabernacle of the congregation; (See Gill on Numbers 4:3).

Bamidbar 4:30 In-Context

28 This is the Avodat Mishpekhot Bnei Gershoni in the Ohel Mo’ed; and misheret (guard duty responsibility) shall be under the direction of Itamar ben Aharon HaKohen.

29 As for the Bnei Merari, thou shalt number them after their mishpekhot, by the bais of their avot;

30 From shloshim shanah (thirty years old) and upward even until chamishim shanah (fifty years old) shalt thou number them, every one that entereth into the tz’va (holy militia service of Hashem), to do the work of the Avodat Ohel Mo’ed.

31 And this is their mishmeret (guard) massa (burden), according to all their Avodah (Service, Ministry) in the Ohel Mo’ed; the frames of the Mishkan, and the crossbars thereof, and the posts thereof, and bases thereof,

32 And the posts surrounding the khatzer, and their bases, and their tent pegs, and their cords, with all their implements, and with all their service; and by shmot (names) ye shall assign the klei mishmeret (vessels of duty) massa (burdens).