GMC 2007 Sierra User Manual
Page 444

K-3500 Extended Cab (4WD)* Axle Ratio
Maximum Trailer Weight
GCWR
6.6L V8 Dual Rear Wheel
(Manual)
3.73
14,800 lbs (6 713 kg)
22,000 lbs (9 979 kg)
6.6L V8 Dual Rear Wheel
(Automatic)
3.73
16,300 lbs (7 394 kg)
23,500 lbs (10 659 kg)
*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 Crew Cab (4WD)*
Axle Ratio
Maximum Trailer Weight
GCWR
6000 V8 Single Rear Wheel
4.10
9,400 lbs (4 264 kg)
16,000 lbs (7 264 kg)
6000 V8 Dual Rear Wheel
4.10
9,200 lbs (4 173 kg)
16,000 lbs (7 264 kg)
8100 V8 Single Rear Wheel
4.10
15,000 lbs (6 804 kg)
22,000 lbs (9 979 kg)
8100 V8 Dual Rear Wheel
4.10
14,800 lbs (6 713 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel Single Rear
Wheel
3.73
14,700 lbs (6 668 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel Dual Rear
Wheel (Manual)
3.73
14,500 lbs (6 557 kg)
22,000 lbs (9 979 kg)
6.6L V8 Diesel Dual Rear
Wheel (Automatic)
3.73
16,000 lbs (7 257 kg)
23,500 lbs (10 659 kg)
*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.
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