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Contradicting a trend, Toyota has reduced the maximum trailer-towing rating of the Tundra half-ton for 2011, in one case up to 1,100 pounds.
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AH ha ha ha... Gains credibility!!!! What a joke... No props to them from me.... Only props id like to see are the ones off an old aircraft carrier dropped onto the truck... Can ya tell I hate a foreign cars companies...
Toyota is one of the first manufacturers to test and certify its trucks against a draft trailer-towing standard known as “Performance Requirements for Determining Tow Vehicle Gross Combination Weight Ratings and Trailer Weight Ratings,” or simply Society of Automotive Engineers standard J2807.
Once J2807 is implemented, truck buyers will finally have an apples-to-apples way to compare the trailer-towing capacity of all light-duty pickups. All manufacturers are expected to follow it starting with the 2013 model year.
J2807 establishes tow-vehicle performance requirements against the following criteria to establish max ratings: timed acceleration on level ground and up a 12 percent incline; maintaining speed on a real-world grade; understeer; trailer-sway response; braking and park brake at GCWR; and tow-vehicle hitch/attachment structure. To minimize test variations, it provides standard test trailer specifications and requirements for their use in these tests.