Toyota Tundra 2014 Brochure & Specs page 36

#TundraTows
SR5 Double Cab Long Bed shown in Silver Sky Metallic with available 18-in. 5-spoke alloy wheels and tow mirrors.
See footnote 26 in Disclosures section for more information on towing.
TOWING SAE J2807
SAE J2807 is the standard for tow ratings set by the Society
of Automotive Engineers, SAE. Toyota agreed to adopt the
standard for 2013 and is the only manufacturer to have done
so. In fact, since 2010, the entire Toyota lineup has been SAE
J2807 compliant.