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03-14-2014, 04:53 PM
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#1
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Junior Member
Join Date: Feb 2014
Posts: 28
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Towing Capacity
Can someone explain WHY two trucks with the same motor size, transmission gearing, and general dimensions will not tow the same amount? I was looking at the difference between the early year 2007 Chevrolet 1500 extra cab 4x4 with a 5.3l motor and a 3:42 rear end compared to the same truck as a 2009. Same truck but different body styles as the early 07 was the old styling.
2007: 5.3 liter engine with 3:42 rear end tows 7500 lbs
2009: 5.3 liter engine with 3:42 rear end tows 5900 lbs
This makes no sense unless the frame is different or they have either overestimated or underestimated one or the other. Can anyone explain why this is?
My camper weighs 5700 lbs so you can see my concern...or wonder which truck to buy...
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03-14-2014, 05:15 PM
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#2
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Senior Member
Join Date: Nov 2012
Posts: 499
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2 completely different trucks from frame up. The only thing in common are the names.
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03-14-2014, 05:17 PM
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#3
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Senior Member
Join Date: Jul 2011
Location: Connecticut
Posts: 626
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with that gear ratio you should be able to tow #9600. I'd have the dealer to a vin check on both of them and have them validate the rear gear ratio
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03-14-2014, 06:07 PM
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#4
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,847
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the reason why is that the 2007 had the 4 speed trans and the 2009 had the new 6 speed trans.
makes a big difference with the 3.42 rear end.
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Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.) 
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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03-14-2014, 06:27 PM
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#5
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Junior Member
Join Date: Feb 2014
Posts: 28
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Was the 2009 the first year of 6 speed transmission?
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03-14-2014, 06:34 PM
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#6
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Senior Member
Join Date: Nov 2013
Location: Seaford, De
Posts: 2,377
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Quote:
Originally Posted by bikendan
the reason why is that the 2007 had the 4 speed trans and the 2009 had the new 6 speed trans.
makes a big difference with the 3.42 rear end.
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so shouldn't the 09 have more capacity, not less? 
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David & Lynn 2014 Coachmen Chaparral Signature 327 RLKS 2016 Ford F350 Lariat CC Dually
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03-14-2014, 06:36 PM
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#7
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Senior Member
Join Date: Sep 2013
Location: Idaho
Posts: 9,839
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Short or long bed?
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03-14-2014, 06:46 PM
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#8
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Site Team
Join Date: Jan 2007
Location: Goodyear, Arizona
Posts: 33,847
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Quote:
Originally Posted by davel1971
so shouldn't the 09 have more capacity, not less? |
i think the amounts are backwards.
__________________
Dan-Retired California Firefighter/EMT
Shawn-Musician/Entrepreneur/Wine Expert
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package
4pt Equal-i-zer WDH and 1828lbs of payload capacity
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03-14-2014, 07:11 PM
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#9
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Senior Member
Join Date: Oct 2011
Location: Fort Worth
Posts: 664
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I have an 09 Silverado 5.3l 3.42 rearend and Heavy duty tow package and am rated for 9500lbs
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03-14-2014, 10:22 PM
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#10
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Junior Member
Join Date: Feb 2014
Posts: 28
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Regular bed. Standard on both. I called Chevrolet and the numbers they gave me were what the books say...09 5900 lbs. 07 7500 lbs
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03-15-2014, 03:23 AM
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#11
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Engineer of Crazy Train
Join Date: Sep 2012
Location: Tiverton, RI
Posts: 1,585
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Does the 09 have the cooling package? Looking at the database, that makes a huge difference.
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03-17-2014, 04:08 PM
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#12
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Senior Member
Join Date: Mar 2011
Location: Canton, Michigan
Posts: 1,348
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You are only stating 2-3 parameters. What about transmission gearing (not just axle ratios). HD towing package?
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03-17-2014, 04:38 PM
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#13
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Senior Member
Join Date: Jul 2011
Location: Connecticut
Posts: 626
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Quote:
Originally Posted by Tony Smith
Regular bed. Standard on both. I called Chevrolet and the numbers they gave me were what the books say...09 5900 lbs. 07 7500 lbs
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The book has all models in it, I'd go have the dealer run your vin to be sure on what you have in your truck. They can give you the exact specs of your truck.
Though when I bought mine, the salesguy told me #9600, but I still had them run the vin to be sure and they gave me the exact specs and I'm able to pull #9600
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2013 Prime Time Tracer 3200BHT
2016 Chevy 3500 CC, DRW (aka: bigbootyjudy)
Ribs in the smoker and Whiskey in hand
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03-17-2014, 05:04 PM
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#14
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Senior Member
Join Date: Jun 2012
Posts: 10,907
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Here's a link to the 2009 Silverado Owners Manual.
http://www.chevrolet.com/content/dam...ado_owners.pdf
The towing info starts on page 4-52. There are 99 different permutations of Silverado 1500's to chose from. If you don't have the HD cooling, then I think the 5900 they told you is correct.
Good luck.
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2009 Silverado 1500 Ext Cab, 5.3L, 4x4, 3.73
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03-18-2014, 06:51 PM
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#15
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Junior Member
Join Date: Feb 2014
Posts: 28
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I think I will stick with the seven model. It tows more and seems to be built stronger...
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03-18-2014, 06:54 PM
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#16
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Senior Member
Join Date: Jul 2013
Posts: 135
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Check the 2010, I remember 1 year had a chump rating but others were better.
2007 may or may not be the same as 2010, 2007 was a GMT-800 and GMT-900.
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