GMC 2003 Sierra 1500 Pickup Owner's Manual page 350

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Vehicle*
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Axle Ratio
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Maximum Trailer Weight
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GCWR
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C-1500 Regular Cab Short Box (2WD)*
4300 V6 (Auto)
3.08
9,500 Ibs. (4 313 kg) 5,000 Ibs. (2 267kg) 3.42
9,000 Ibs. (4 086 kg)
4,500 Ibs. (2 041 kg)
F 6 (Manual)
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z : : ;
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4,000 3,500 Ibs. Ibs. (1 (1 587 814 kg) kg) 8,000 8,500 Ibs. Ibs (3 (3 632 859 kg) kg)
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4800 V8 (Auto)
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3.42
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3.73
6,400 Ibs. (2 902 kg)
7,400 Ibs. (3 356 kg)
1 1,000 Ibs. (4 994 kg)
12,000 Ibs. (5 448 kg)
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4800 V8 (Manual)
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i;;:
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4,400 Ibs. (1 995 kg)
5,400 Ibs. (2 449 kg)
9,000 Ibs. (4 086 kg)
10,000 Ibs. (4 540 kg)
7,400 Ibs. (3 356 kg)
8,400 Ibs. (3 810 kg) 13,000 Ibs. (5 902 kg)
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12,000 Ibs. (5 448 kg)
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*
Tongue weight should be 10 percent to
15 percent of trailer weight up to 1,000 Ibs (454 kg). Fifth-wheel or gooseneck kingpin weight 15 percent to
25 percent of trailer weight up to 1,500 Ibs. (680 kg) maximum.
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