GMC 2007 Sierra 1500 Pickup Owner's Manual page 443

K-3500 Regular Cab (4WD)* Axle Ratio
6000 V8 Single Rear Wheel
6000 V8 Dual Rear Wheel
8100 V8 Single Rear Wheel
8100 V8 Dual Rear Wheel
6.6L V8 Single Rear Wheel
6.6L V8 Dual Rear Wheel
(Manual)
6.6L V8 Dual Rear Wheel
(Automatic)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,500 lbs
(1 587 kg) maximum.
*Trailer rating limited to 12,000 lbs (5 443 kg) with weight distributing hitch.
K-3500 Extended Cab (4WD)* Axle Ratio
6000 V8 Single Rear Wheel
6000 V8 Dual Rear Wheel
8100 V8 Single Rear Wheel
8100 V8 Dual Rear Wheel
6.6L V8 Single Rear Wheel
Maximum Trailer Weight
4.10 10,000 lbs (4 536 kg)
4.10 9,800 lbs (4 445 kg)
4.10 15,600 lbs (7 076 kg)
4.10 15,400 lbs (6 985 kg)
3.73 15,400 lbs (6 985 kg)
3.73 15,200 lbs (6 895 kg)
3.73 16,700 lbs (7 575 kg)
Maximum Trailer Weight
4.10 9,600 lbs (4 354 kg)
4.10 9,400 lbs (4 264 kg)
4.10 15,200 lbs (6 895 kg)
4.10 15,000 lbs (6 804 kg)
3.73 15,000 lbs (6 804 kg)
GCWR
16,000 lbs (7 257 kg)
16,000 lbs (7 257 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
23,500 lbs (10 659 kg)
GCWR
16,000 lbs (7 257 kg)
16,000 lbs (7 257 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
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