Chevrolet Silverado Classic 2007 Owner's Manual page 432

Use one of the following charts to determine how much your vehicle can weigh, based upon your vehicle
model and options.
C-1500 Regular Cab
Standard Box (2WD)*
4300 V6 (Auto)
4300 V6 (Manual)
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.
C-1500 Extended Cab
Standard Box (2WD)*
4300 V6 (Auto)
4300 V6 (Manual)
4800 V8
5300 V8
6000 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 6,800 lbs (3 084 kg) except with 6000 V8 engine limited to
6,900 lbs (3 130 kg).
432
Axle Ratio Maximum Trailer Weight
3.23 5,000 lbs (2 268 kg)
3.23 4,000 lbs (1 814 kg)
3.23 6,400 lbs (2 903 kg)
3.73 7,400 lbs (3 357 kg)
3.23 7,400 lbs (3 357 kg)
3.73 8,400 lbs (3 810 kg)
Axle Ratio Maximum Trailer Weight
3.23 4,600 lbs (2 087 kg)
3.73 5,100 lbs (2 313 kg)
3.23 3,600 lbs (1 633 kg)
3.23 5,900 lbs (2 676 kg)
3.73 6,900 lbs (3 130 kg)
3.23 6,900 lbs (3 130 kg)
3.73 7,900 lbs (3 583 kg)
4.10 10,400 lbs (4 717 kg)
GCWR
9,500 lbs (4 309 kg)
8,500 lbs (3 855 kg)
11,000 lbs (4 994 kg)
12,000 lbs (5 443 kg)
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
GCWR
9,500 lbs (4 309 kg)
10,000 lbs (4 536 kg)
8,500 lbs (3 859 kg)
11,000 lbs (4 990 kg)
12,000 lbs (5 443 kg)
12,000 lbs (5 443 kg)
13,000 lbs (5 897 kg)
15,500 lbs (7 031 kg)