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Hey Forum, I am trying to find out what exactly my max tow rating is. First off, I have believed since I owned the truck that it had 3.73 gears. I requested the build sheet from GM and turns out I actually have 3.08 gears (RPO code GU4). I also thought I had the heavy duty tow package (RPO code Z85), but the build sheet says I have the "Trailering Package (Special)(Reese Type Hitch)" which is RPO code Z82. The sticker on the drivers side says the weight of cargo and occupants should not exceed 1577 lbs. So, 7700lbs GVWR - 1577lbs cargo capacity = 6,123lbs curb weight? According to the below site, the max towing capacity is 11,200lbs with 3.73 and max trailer tow, which is what I thought I had. With 3.08 gears and no max tow package, it is only 6,600 lbs, which is a huge difference keeping safety in mind. The guide does mention Z82 as the heavy duty package, but does not explicitly call Z82 the "Max Trailering Package". What i think is happening here is the Z82 is the Max Trailering Package on a Z71. https://my.chevrolet.com/content/dam/gmownercenter/gmna/dynamic/manuals/2014/chevrolet/Multiple Model PDFs/MY14 Trailering Guide_1113.13 - Equinox.pdf So, now that I am unsure of what exactly my tow rating is, I just want to confirm I know the correct limits of my truck. Truck: 2014 Silverado Crew Cab, LTZ Z71, Short Box RPO codes that may help: GU4: Axle, Rear, 3.08 Ratio JD9: Brake Vac Power, 17" Disc/Disc, W/VSES, 7700 LBS JL1: Control, Integrated Trailer Brake KC4: Cooling System, Engine Oil KNP: Cooling System, Transmission, Heavy Duty L83: Engine Gas, 8 CYL, 5.3L, SIDI VVT, AFM, E85 MAX, ALUM, GM MYC: Transmission Auto 6SPD, HMD, 6L-80 Z82: Trailering Package (Special)(Reese Type Hitch) Again, I have the full build sheet so just let me know if that would help you guys help me