Hummer 2006 H3 Owner's Manual page 257

Use the following chart to determine how much your vehicle can weigh, based upon your vehicle model and options.
Engine
Automatic Transmission
Manual Transmission
**The Gross Combination Weight Rating (GCWR) in 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.
Axle Ratio Maximum Trailer Weight
4.56 4,500 lbs (2 041 kg)
4.56 3,000 lbs (1 364 kg)
In Canada, write to:
General Motors of Canada Limited
Customer Communication Centre, 163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
**GCWR
9,500 lbs (4 309 kg)
8,000 lbs (3 629 kg)
4-61