GMC Sierra Classic 2007 Owner's Manual page 435

K-2500 Regular Cab
Long Box HD (4WD)*
6.6L V8 Diesel
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 12,000 lbs (5 443 kg) with weight distributing hitch.
K-2500 Extended Cab
Long Box HD (4WD)*
6000 V8
8100 V8
6.6L V8 Diesel
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 12,000 lbs (5 443 kg) with weight distributing hitch.
K-2500 Crew Cab Long
Box HD (4WD)*
6000 V8
8100 V8
6.6L V8 Diesel
* Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up to 3,000 lbs
(1 361 kg) maximum.
*Trailer rating limited to 12,000 lbs (5 443 kg) with weight distributing hitch.
Maximum Trailer Weight
Axle Ratio
3.73 15,600 lbs (7 076 kg)
Axle Ratio Maximum Trailer Weight
4.10 9,900 lbs (4 490 kg)
3.73 13,400 lbs (6 078 kg)
4.10 15,400 lbs (6 985 kg)
3.73 14,800 lbs (6 713 kg)
Axle Ratio Maximum Trailer Weight
4.10 9,700 lbs (4 400 kg)
3.73 13,200 lbs (5 987 kg)
4.10 14,600 lbs (6 622 kg)
3.73 13,200 lbs (5 987 kg)
GCWR
22,000 lbs (9 979 kg)
GCWR
16,000 lbs (7 257 kg)
20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
GCWR
16,000 lbs (7 257 kg)
20,000 lbs (9 072 kg)
22,000 lbs (9 979 kg)
22,000 lbs (9 979 kg)
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