Chevrolet 2004 Silverado 1500 Pickup Owner's Manual page 364

Use one of the following charts to determine how much
your vehicle can weigh, based upon your vehicle
model and options.
Maximum trailer weight is calculated assuming the
driver and one passenger are in the tow vehicle and it
has all the required trailering equipment. The weight
Vehicle*
C-1500 Regular Cab Short Box (2WD)*
4300 V6 (Auto)
4300 V6 (Manual)
4800 V8 (Auto)
4800 V8 (Manual)
5300 V8
* Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs. (680 kg)
maximum.
4-74
Axle Ratio Maximum Trailer Weight
3.08 4,600 lbs. (2 087kg)
3.42 5,100 lbs. (2 313kg)
3.08 3,600 lbs. (1 633 kg)
3.42 4,100 lbs. (1 860 kg)
3.42 6,500 lbs. (2 948 kg)
3.73 7,500 lbs. (3 401 kg)
3.42 4,500 lbs. (2 041 kg)
3.73 5,500 lbs. (2 495 kg)
3.42 7,500 lbs. (3 401 kg)
3.73 8,500 lbs. (3 855 kg)
of additional optional equipment, passengers and cargo
in the tow vehicle must be subtracted from the
maximum trailer weight.
Above the 5,000 lbs. (2 268 kg) trailer rating, the
handling/trailering suspension is required on
C-1500 models and the handling/trailering or off-road
suspension is required on K-1500 models.
GCWR
9,000 lbs. (4 082 kg)
9,500 lbs. (4 309 kg)
8,000 lbs. (3 628 kg)
8,500 lbs. (3 855 kg)
11,000 lbs. (4 994 kg)
12,000 lbs. (5 443 kg)
9,000 lbs. (4 082 kg)
10,000 lbs. (4 535 kg)
12,000 lbs. (5 443 kg)
13,000 lbs. (5 897 kg)