GMC Sierra Classic 2007 Owner's Manual page 431

K-1500 Regular Cab
Long Box (4WD)*
4800 V8
5300 V8
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs (680 kg)
maximum.
*Fifth-wheel or gooseneck trailer rating limited to 8,300 lbs (3 765 kg).
K-1500 Extended Cab
Long Box (4WD)*
4800 V8
5300 V8
*This vehicle has insufficient payload for fifth-wheel or gooseneck trailering.
Axle Ratio Maximum Trailer Weight
3.42 6,900 lbs (3 130 kg)
3.73 6,900 lbs (3 130 kg)
4.10 7,900 lbs (3 583 kg)
3.42 7,900 lbs (3 583 kg)
3.73 7,900 lbs (3 583 kg)
4.10 8,900 lbs (4 037 kg)
Axle Ratio Maximum Trailer Weight
3.42 6,500 lbs (2 948 kg)
3.73 6,500 lbs (2 948 kg)
4.10 7,500 lbs (3 402 kg)
3.42 7,500 lbs (3 402 kg)
3.73 7,500 lbs (3 402 kg)
4.10 8,500 lbs (3 856 kg)
GCWR
12,000 lbs (5 443 kg)
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
13,000 lbs (5 897 kg)
13,000 lbs (5 897 kg)
14,000 lbs (6 350 kg)
GCWR
12,000 lbs (5 443 kg)
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
13,000 lbs (5 897 kg)
13,000 lbs (5 897 kg)
14,000 lbs (6 350 kg)
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