System:tires; tubeless radial truck tires, T546 psd rd tu st, T546 lp rd tu st and hp2000.vehicle description: trucks, unknown.dot identification: vt3ntcwt 477 through 439; vt3ttcat 367 through 439;vt4ftcat 367 through 439; vt37cat 198 through 439; vt4ktcat 268 through 439;vt3xtfjt477 through 439.