GMC Sierra Classic 2007 Owner's Manual page 440

K-3500 Crew
Cab (4WD)*
6.6L V8 Diesel Dual
Rear Wheel (Manual)
6.6L V8 Diesel Dual
Rear Wheel (Automatic)
*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.
*Trailer rating limited to 12,000 lbs (5 443 kg) with weight distributing hitch.
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.
440
Axle Ratio Maximum Trailer Weight
3.73 14,500 lbs (6 557 kg)
3.73 16,000 lbs (7 257 kg)
In Canada, write to:
General Motors of Canada Limited
Customer Communications Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
GCWR
22,000 lbs (9 979 kg)
23,500 lbs (10 659 kg)