Okla. Stat. tit. 47, § 1-121
The gross vehicle weight rating (GVWR) means the value specified by the manufacturer as the loaded weight of a single vehicle.
Laws 1961, HB 556, p. 317, § 1-121, eff. September 1, 1961; Amended by Laws 1990, HB 1989, c. 219, § 6, eff. January 1, 1991.