2003 Toyota Tundra Owners Manual - Page 533
2003 Toyota Tundra Manual
Page 533 highlights
'03 TUNDRA_U (L/O 0301) 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.). 1 Coupler 2 Trailer ball 213 2003 TUNDRA from Jan. '03 Prod. (OM34421U)