Before you go too much further make sure the truck has a trans cooler on it that other than the radiator. If it doesn't get an aftermarket cooler from the parts store. Really simple to install and remember the vehicle will also take extra trans fluid with it installed. With that said try calling a Chevy dealer to get the towing info.
GMC Sierra 3500
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General
what is the towing capacity of a 2003 gmc sierra 3500 dually
2003 GMC Sierra 3500
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General
What is the load capacity of this vehicle? 1983, GMC G3500, 350 cid, 4 bbl carb, 4 speed trans. floor shift, 4.10 : 1 rear gear, flat bed, LWB. What is its towing capacity? It's GVW is given as just...
1988 GMC Sierra 3500
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Maintenance & Repair
got a 350 motor in it but it's a dually. what is the tow rating on it with a 5th wheel ?
1992 GMC Sierra 3500 2 Dr C3500 SLE Extended Cab LB
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General
1998 GMC Sierra 3500 4 Dr K3500 SLT 4WD Crew Cab LB
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General
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