2004 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 365

Vehicle* Axle Ratio Maximum Trailer Weight GCWR C-1500 Extended Cab Short Box (2WD)* 3.42 4,700 lbs. (2 133 kg) 9,500 lbs. (4 309 kg) 4300 V6 (Auto) 3.73 5,200 lbs. (2 360 kg) 10,000 lbs. (4 536 kg) 4300 V6 (Manual) 3.42 3,700 lbs. (1 678 kg) 8,500 lbs. (3 859 kg) 3.42 6,100 lbs. (2 769 kg) 11,000 lbs. (4 990 kg) 4800 V8 (Auto) 3.73 7,100 lbs. (3 223 kg) 12,000 lbs. (5 443 kg) 3.42 4,100 lbs. (1 859 kg) 9,000 lbs. (4 086 kg) 4800 V8 (Manual) 3.73 5,100 lbs. (2 313 kg) 10,000 lbs. (4 540 kg) 3.42 7,100 lbs. (3 223 kg) 12,000 lbs. (5 443 kg) 5300 V8 3.73 8,100 lbs. (3 677 kg)** 13,000 lbs. (5 897 kg) 3.73 7,700 lbs. (3 493 kg)*** 13 000 lbs. (5 897 kg) 5300 V8 w/4WS 4.10 8,700 lbs. (3 946 kg)*** 14 000 lbs. (6 350 kg) * Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 1,500 lbs. (680 kg) maximum. **Maximum 8,000 lbs. (3 628 kg) for fifth-wheel or gooseneck. ***Maximum 7,500 lbs. (3 401 kg) for fifth-wheel or gooseneck. Vehicle* Axle Ratio Maximum Trailer Weight GCWR C-1500 Crew Cab Short Box (2WD)* 3.73 8,300 lbs. (3 765 kg) 14,000 lbs. (6 350 kg) 6000 V8 4.10 10,300 lbs. (4 672 kg) 16,000 lbs. (7 257 kg) 3.73 8,000 lbs. (3 629 kg) 14,000 lbs. (6 350 kg) 6000 V8 w/4WS 4.10 10,000 lbs. (4 536 kg) 16,000 lbs. (7 257 kg * Fifth-wheel or gooseneck kingpin weight 15 percent to 25 percent of trailer weight up to 2,500 lbs. (1 133 kg) maximum. 4-75