Truck tractor.

RCW 46.04.655
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
"Truck tractor" means every motor vehicle designed and used primarily for drawing other vehicles but so constructed as to permit carrying a load in addition to part of the weight of the vehicle and load so drawn. "Truck tractor" means every motor vehicle designed and used primarily for drawing other vehicles but so constructed as to permit carrying a load in addition to part of the weight of the vehicle and load so drawn.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=46.04&full=trueFetched: 6/29/2026

Starting a business in Washington? Washington LLC guide: costs and requirements