Nev. Rev. Stat. § 484A.310
“Truck-tractor” defined.
“Truck-tractor” means every motor vehicle designed and used primarily for drawing other vehicles and not so constructed as to carry a load other than the part of the weight of the vehicle and load so drawn.
(Added to NRS by 1969, 1203)—(Substituted in revision for NRS 484.213)