GMC 2012 Sierra Denali Owner's Manual page 325

Trailer tongue weight (A) should be
10 percent to 15 percent and
fifth-wheel or gooseneck kingpin
weight should be 15 to 25 percent of
the loaded trailer weight (B) up to
the maximums for vehicle series
and hitch type.
Vehicle Series
1500
1500
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
ball closest to the vehicle. This will
help reduce the effect of trailer
tongue weight on the rear axle.
Driving and Operating
Hitch Type
Weight Carrying
Weight Distributing
Weight Carrying or
Weight Distributing
Weight Carrying or
Weight Distributing
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
9-75
Maximum Tongue
Weight
272 kg (600 lbs)
499 kg (1,100 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)