F450 vs. F350 Differences - Diesel Forum - TheDieselStop.com
2008- 2010 General Questions General questions related to 2008-Up Super Duty trucks. If it doesn't fit the other categories, post it here. Gas engine discussion that pertains to all models is allowed. Specific gas engine questions should use the Gas Engines forum.

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post #1 of 6 (permalink) Old 11-07-2008, 07:06 PM Thread Starter
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Question F450 vs. F350 Differences

I'm looking to get a new dually F450, but was curious about the big difference in 5er tow ratings between it and F350. Is it just the rear springs that give it the higher tow ratings? That's what salesman told me at a dealer today. Are there really no other differences in these? Any help is appreciated. Thanks!
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post #2 of 6 (permalink) Old 11-07-2008, 08:32 PM
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Tires, wheels, brakes, frame, axles, and suspension. And therefore GAWR, GVWR, and GCWR. About the only things that are the same are cab, engine, and transmission.

                          F-350 DRW           F-450 pickup
Tires,                     245/75R17             225/70R19.5                
wheels,             17x6.5, 8 on 170mm   19.5x6 , 8 on 200mm
brakes, front        13.66                     14,53
brakes, rear         13.39                     15.35            
frame thickness*    2.80                      3.20
front axle              6,000#                   7,000#
rear axle              Dana 80, 9,750#    Dana S-110 12,000#
front suspension    6,000#                    7,000#
rear suspension     9,750#                  12,000#

And therefore 

Front GAWR,           6,000#                     7,000#
Rear GAWR             9,750#                    12,000#
GVWR                   13,000#                 14,500# pickup, 16,000# chassis cab
Max GCWR            26,000#                   33,000#
* - chassis cab. Im not sure about DRW pickups

My Sierra Blanca in the sig pic was a great pickup for 11.5 years. I sold it a coupla years ago. I drove a hand-me-down 2003 F-150 SuperCrew 4.6L 2V for a while, but it was unacceptable for towing more than a rowboat. Replacement is a 2012 F-150 EcoBoost SuperCrew Lariat that tows my 5,000-pound TT like a dream.

Last edited by SmokeyWren; 11-07-2008 at 09:18 PM.
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post #3 of 6 (permalink) Old 11-07-2008, 08:45 PM Thread Starter
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Thanks, I figured he was just trying to sell me the last '08 350 dually on the lot. I'm surprised that the frame is different! I assume beefier. I plan to get a 5er that exceeds the tow rating of the 350, so was curious about the differences.
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post #4 of 6 (permalink) Old 11-07-2008, 08:55 PM
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get the F450 I love how my pulls my fifth wheel.
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post #5 of 6 (permalink) Old 11-10-2008, 12:22 PM
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F450 vs F350

If you need the higher towing capacity the F450 is an awesome vehicle! I have owned mine for 13 months and pull a Teton fiver and it performs great.

Peter B
San Pedro, CA

2008 F-450 Lariat Black over Silver, Med Gray Leather, Automatic, High capacity tow 4:88s, 200A Alt, Nav System, Sirius Sat, Upfitter switches, Moonroof, backup camera, tailgate step, traction control, Audiophile 6-disc, heated seats, rear sensors, tailgate step.
2011 Carriage Carri Lite 36MAX1 (5th Wheel)
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post #6 of 6 (permalink) Old 11-15-2008, 05:15 PM
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F450 vs. F350 Differences?

Biggest difference that I can think of is the size of the smile on my face... MUCH bigger when driving my F-450 than it was when I drove my F-350.

2008 F450SD PSD 4X4 CC DRW Lariat King Ranch White/ Pueblo Gold, Chrome Pkg, Torqshift, 4.30, Job#3, Camper pkg, Reflex spray bed liner, Extang Trifecta Tonneau.
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