2005 Toyota Tundra Owners Manual - Page 889

'05 TUNDRA_U (L/O 0504) NOTICE Vehicles with 2UZ−FE engine (with towing package)-Only use a ball mount attachment specified for the Toyota Tundra. BUMPER TOWING The rear bumper of your vehicle is equipped with a hole to install a trailer ball. The maximum gross trailer weight is 2268 kg (5000 lb.). FIFTH WHEEL TRAILER NOTICE When towing a fifth wheel trailer, be careful not to hit the cabin or deck by the trailer while making a sharp turn. CAUTION The maximum gross trailer weight (trailer weight plus cargo weight) when towing with the bumper must never exceed 2268 kg (5000 lb.). 383 2005 TUNDRA from Apr. '05 Prod. (OM34440U)