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Towing capacity and Payload

Towing capacity and Payload

Postby RW2516S [OP] » Jan 12 2021, 10:03pm

I am trying to find the actual specs for my recently acquired truck and keep coming up with numbers that are all over the place. Any assistance would be greatly appreciated.

2003 Chevrolet Silverado 1500 LS Extended Cab 5.3L Towing package (tran cooler, trailer mode button) 3.42 gearing

How much weight can it tow and how much hitch weight can it handle or what is the payload?

I have found numbers from 5100 to 10,000 on towing capacity and 500 to 800 hitch weight and payload from 1500 to 1739.

If someone would just point me in the right direction to get the accurate numbers I would really appreciate it. I cannot tell from the manual which specs are correct and I have no door sticker listing payload. I just have the tire spec sticker.

Thanks again.
Last edited by RW2516S on Jan 12 2021, 10:16pm, edited 1 time in total.
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Re: Towing capacity and Payload

Postby GBSierraSLE » Jan 12 2021, 10:11pm

There should be a sticker in your driver's door jamb with figures on it for payload, GVWR, etc.

https://www.curtmfg.com/towing-capacity

Tow Ratings VS Camper weight, GVWR, GCWR etc. Explained
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Re: Towing capacity and Payload

Postby RW2516S [OP] » Jan 12 2021, 10:15pm

Mine are gone, just have the tire rating sticker.
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Re: Towing capacity and Payload

Postby GBSierraSLE » Jan 12 2021, 10:33pm

Then look in your owner's manual.
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Re: Towing capacity and Payload

Postby roorancher » Jan 12 2021, 10:46pm

You might try emailing [email protected] to see if they can look up or re-create the "B" pillar tow ratings sticker for you...
I agree with Gary, that the owner's manual could be a good source, but it speaks in generalities, and can differ from your actual ratings.
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Re: Towing capacity and Payload

Postby RW2516S [OP] » Jan 12 2021, 10:55pm

Thank you for the tip to get the new sticker. Of course I tried the owner's manual but like you said it's pages of general ratings but nothing specific to this truck. I read somewhere that there is a site where you can put in the VIN number and get the exact specs but I haven't found it yet.
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Re: Towing capacity and Payload

Postby Bradley21sandersBradley21sanders is online! » Jan 12 2021, 11:10pm

I dont know if the you have the RPO codes in the glove box like my 2009 but if you do here are some that would help you narrow down the rating based on the manuals chart.

you need:
the cab configuration 2 door 4 door etc
2wd or 4x4
axle ratio
engine size

C5H GVWR, 6900 lbs. (3130 kg)
C5M GVWR, 6100 lbs. (2767 kg)
C5S GVWR, 6600 lbs. (2993 kg)
C7H GVWR, 6400 lbs. (2903 kg)

G80 Differential, locking, heavy-duty, rear
G86 Differential, limited slip, heavy-duty, rear
GT4 Rear axle, 3.73 ratio
GT5 Rear axle, 4.10 ratio
GU6 Rear axle, 3.42 ratio

KNP Cooling, external transmission oil cooler
LM7 Engine, Vortec 5300 V8 SFI
LR4 Engine, Vortec 4800 V8 SFI
LU3 Engine, Vortec 4300 V6 MFI
L33 Engine, Vortec 5300 V8 SFI
LQ9 Engine, Vortec 6000 V8 SFI
M32 Transmission, 4-Speed automatic
M30 Transmission, 4-speed automatic
MG5 Transmission, 5-speed manual

Z71 Suspension Package, Off-Road
Z82 Trailering equipment, heavy-duty
Z83 Suspension Package, Solid Smooth Ride
Z85 Suspension Package, Handling/Trailering
ZX3 Suspension Package, Ride-Control

EDIT: I see I overlooked that you know most of that.
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Re: Towing capacity and Payload

Postby Bradley21sandersBradley21sanders is online! » Jan 12 2021, 11:15pm

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Re: Towing capacity and Payload

Postby RW2516S [OP] » Jan 12 2021, 11:22pm

Looks like 7100. Still don't see a payload rating.
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Re: Towing capacity and Payload

Postby adam86107 » Jan 12 2021, 11:47pm

Back in the day they didn't put that yellow and white payload sticker in the door jamb. About the only thing you can do is weigh the truck and and subtract that weight from the GVWR.
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