GMC 2007 Sierra 1500 Pickup Owner's Manual page 433

C-1500 HD Crew Cab
Standard Box (2WD)*
6000 V8
*Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 2,500 lbs (1 133 kg)
maximum.
C-1500 Extended Cab
Short Box (2WD)*
5300 V8
*This model is neither designed nor intended to tow fifth-wheel or gooseneck trailers.
C-1500 Crew Cab Short
Box (2WD)*
5300 V8
6000 V8
*This model is neither designed nor intended to tow fifth-wheel or gooseneck trailers.
C-1500 Regular Cab
Long Box (2WD)*
4300 V6 (Auto)
4300 V6 (Manual)
Axle Ratio Maximum Trailer Weight
3.73 8,300 lbs (3 765 kg)
4.10 10,300 lbs (4 672 kg)
Axle Ratio Maximum Trailer Weight
3.23 7,000 lbs (3 175 kg)
3.73 8,000 lbs (3 629 kg)
Axle Ratio Maximum Trailer Weight
3.23 6,700 lbs (3 039 kg)
3.73 7,700 lbs (3 493 kg)
3.73 10,100 lbs (4 581 kg)
Axle Ratio Maximum Trailer Weight
3.23 4,800 lbs (2 177 kg)
3.23 3,800 lbs (1 724 kg)
GCWR
14,000 lbs (6 350 kg)
16,000 lbs (7 257 kg)
GCWR
12,000 lbs (5 448 kg)
13,000 lbs (5 902 kg)
GCWR
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
15,500 lbs (7 031 kg)
GCWR
9,500 lbs (4 313 kg)
8,500 lbs (3 859 kg)
433