GMC 2012 Sierra Owner's Manual page 383

1500
1500
1500 Fifth-Wheel Gooseneck
2500/3500
Standard Box
2500/
3500 Long Box
2500 Fifth-Wheel Gooseneck
3500 Single Rear
Fifth-Wheel Gooseneck
Wheels
3500 Dual Rear
Fifth-Wheel Gooseneck
Wheels
*816 kg (41,800 lbs) for vehicles built before October, 2011. Check the
hitch rating label for correct maximum for the vehicle.
Do not exceed the maximum
allowable tongue weight for the
vehicle. Choose the shortest hitch
extension that will position the hitch
Weight Carrying
Weight Distributing
Weight Carrying or
Weight Distributing
Weight Carrying or
Weight Distributing
ball closest to the vehicle. This will
help reduce the effect of trailer
tongue weight on the rear axle.
272 kg (600 lbs)
499 kg (1,100 lbs)
680 kg (1,500 lbs)
680 kg (1,500 lbs)
907 (2,000 lbs)
1 361 kg (3,000 lbs)
1 814 kg (4,000 lbs)
2 495 kg (5,500 lbs)
Trailering may be limited by the
vehicle's ability to carry tongue
weight. Tongue or kingpin weight
cannot cause the vehicle to exceed
the GVWR (Gross Vehicle Weight
Rating) or the RGAWR (Rear Gross
Axle Weight Rating). See Total
Weight on the Vehicle's Tires later
in this section for more information.
After loading the trailer, weigh the
trailer and then the tongue,
separately, to see if the weights are
proper. If they are not, adjustments
might be made by moving some
items around in the trailer.