Understanding the F450?
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Laughing Gas
Joined: Aug 2004
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From: SoCal
Understanding the F450?
Am I correct in understanding that the F350 with Tow Boss (4.30 gear) has the same tow capacity as the F450 with 4.30 gears? Just the GVWR is higher for the F450 in that configuration.
Senior User
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From: Sierra Foothills, CA
Comparing 4WD crew cabs with AT 4.30 and DRW the 450 is 16k conventional towing while the 350 is 15k, just as Percys Armory said.The same configuration for 5th wheel towing the 450 is 20K while the 350 is 17,700.
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From: Middleburg Florida
Originally Posted by Big Sky Rancher
Comparing 4WD crew cabs with AT 4.30 and DRW the 450 is 16k conventional towing while the 350 is 15k, just as Percys Armory said.The same configuration for 5th wheel towing the 450 is 20K while the 350 is 17,700.
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From: California
Originally Posted by FloridaF250
We've been looking for a 5th wheel and every one asks what size is my tow vehicle when I tell them an 06 SD they say I can haul one up to 23K? Is that wrong?
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Elder User
Joined: Feb 2006
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From: Central Massachusetts
Yes dealers will tell you what they want to sell. You could haul more than what is recomended. When we traded up our 5th wheel in 2002. I was hauling 13,000# with my350 drw v10 3.73's rated 9800#. It did haul pretty good. The brakes, suspension, frame could handle it. I had to use my head towing. Had a 5 speed stick so I could pretty much keep it in the right rpm range. Coming up through Pa had to keep it on the floor up to 20 minutes in 3rd gear at 3700 rpms. At times had trouble on some hills not able to run the speed limit because of being under geared. had to be careful pulling out in front of people, it would take a long time to get up to speed. From experience I would advise going with Fords towing guide to be safe. Plan on upgrading next year to a heavier 5thw. that is why I did get a 450. Could have gotton by with a 350 but wanted the extra safety margin.
Last edited by firehawk198; Apr 24, 2007 at 11:20 AM. Reason: spelling
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Elder User
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Originally Posted by FloridaF250
We've been looking for a 5th wheel and every one asks what size is my tow vehicle when I tell them an 06 SD they say I can haul one up to 23K? Is that wrong?
Elder User
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From: SE WI
Originally Posted by 1968gtcs
The 450 also has a much better turning radius over the 350
Senior User
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From: California
Originally Posted by NS F250
Interesting, what are the turning radii on the 350 and 450? I could not find anything on Ford's site. Is this true for 4x4 also?
Senior User
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From: Sierra Foothills, CA
Originally Posted by FloridaF250
We've been looking for a 5th wheel and every one asks what size is my tow vehicle when I tell them an 06 SD they say I can haul one up to 23K? Is that wrong?
Former Vendor
Joined: Mar 2007
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There is a 2007 Super duty PDF Trailer Tow Guide at http://www.fordvehicles.com/assets/p...series9-18.pdfOnly in 2006 did the 4:30 axle (tow boss package) become available and thats 18,500 lbs max capacity. Even at that it is quite possible to have an 18,000 lb trailer that has a pin weight that exceeds the maximum payload rating of the truck. If your tailer weighs 23,500 lbs then you need a 450 with 4:88 axle.
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Do not believe what sales people tell you. I once had a salesperson tell me the V-10??? Diesel in the truck I was looking at had more power that a Chevy 6 Cylinder diesel....HONEST thats what she told me....I about died on the spot laughin. TRUE STORY...
Former Vendor
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LOL, some of the chevy's did run on 6 cyl once in a while
Originally Posted by DFord79
Do not believe what sales people tell you. I once had a salesperson tell me the V-10??? Diesel in the truck I was looking at had more power that a Chevy 6 Cylinder diesel....HONEST thats what she told me....I about died on the spot laughin. TRUE STORY...