2004 GMC Sierra 1500 Pickup Owner's Manual - Page 382

Vehicle* Axle Ratio Maximum Trailer Weight GCWR K-3500 Crew Cab (4WD)* 6000 V8 Dual Rear 4.10 9,300 lbs. (4 218 kg) 16,000 lbs. (7 264 kg) Wheel 6000 V8 Single Rear 4.10 9,500 lbs. (4 309 kg) 16,000 lbs. (7 264 kg) Wheel 8100 V8 Dual Rear 4.10 12,000 lbs. (5 443 kg) 22,000 lbs. (9 979 kg) Wheel 6.6L V8 Diesel Single 3.73 12,000 lbs. (5 443 kg) 22,000 lbs. (9 979 kg) Rear Wheel *Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,500 lbs. (1 587 kg) maximum. The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and trailer including any passengers, cargo, equipment and conversions. The GCWR for your vehicle should not be exceeded. You can ask your dealer for our trailering information or advice, or you can write us at the address listed in your Warranty and Owner Assistance Information Booklet. In Canada, write to: General Motors of Canada Limited Customer Communications Centre, 163-005 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 4-86