F450 vs F550 - 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 10 (permalink) Old 12-29-2012, 03:10 PM Thread Starter
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F450 vs F550

Im looking for a diffrent truck im looking for a 550 or 450 crew cab i was wondering what the diffrence was besides the springs? Also is there a diffrence between the cab and chassy and one with a bed besides the bed? Im going to put a flat bed on so it doesn't matter. Thanks for your help.

'08 F-450 4X4 Crew cab Lariat w/flat bed, Bull rated front bumper/grill guard, S&B intake, cat/DPF delete, EGR delete, SCT programmer w/innovative tunes, Edge CTS screen, coolant filter, PML tranny pan, Airdog II 165
--Early '99 excab long bed with a 7.3 and a six speed 4X4 DP 5po chip, BDP dominator turbo, 4" turbo back, open air intake,
--Also drive a '05 378 Peaterbilt w/C15 525hp Twin turbos 13speed 3 drive axels 55'long w/a Haybuster haygrinder mouted on it w/650hp C18 Cat powering the grinder w/flued cuppler clutch and hydra boom True diesel power
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post #2 of 10 (permalink) Old 12-29-2012, 04:35 PM
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Not sure if there's a difference between 450 and 550 other than possibly springs, but chassis cab frame rails are narrower than pickup truck frame rails

Knucklehead Bald Guy
2005 Excursion 6.0
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post #3 of 10 (permalink) Old 12-29-2012, 04:54 PM
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The rear end.


F350 Dana 80..... Big ( dually )
F450 S110...... Bigger
F550 S135..... Biggest

The pick up has the standard width and "humped" frame ( as pick ups do )

The cab & chassis have a flat top frame. Much easier to do an up fitter body on.

I like the F550 above all.

Mongus rigs;
1992 F-Superduty Dump truck 7.3 - Luk SMF 5spd 5:13 rears-Ricksons 19.5 wheels & tires-Banks get kits.
This is my work hoarse !

2000 F550 - Crew cab -Custom Hood
Harley Flamed Fenders & Doors.
4x4-7.3 - South Bend 6spd 4:88 rears. Loaded ! Volant intake
Hog Performance 4" SS exhaust
Banks wheel, turbine, exhaust brake-Ceramic coated
AFE Blade Runner Spyder
Strickley Diesel Return Fuel & Banjo Bolts
IH up pipes - ceramic coated
Powder coated everything.
Brake Performance-slotted & dimpled rotors with performance pads
DP Tuner 80 Tow
Coolant filter system
Evens Coolant
203 thermostat
Bullet Liner coated Dana 60 front end

2008 F-350 Harley Davidson Crew cab - long bed - 6.4 - Banks-Six gun-Air intake-IQ-Dual Exhaust

2004 Pace American 28' x 9' x 8' enclosed work trailer. 18k GVW. Tri axle - loaded

Custom Built Roll -Off dump trailer. 17yard box. Double dual axles. 20k GVW.

Fully decked 2003 Anni Fat Boy.
Rare "Reaper Tins"
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post #4 of 10 (permalink) Old 12-29-2012, 10:27 PM Thread Starter
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Mongus, Id like a 550 but im looking for a crew cab in xlt or larett and im finding them hard to find so I think im going to have to settle with a 450. with just the springs and axle being different it wouldn't be to hard to change them out.

'08 F-450 4X4 Crew cab Lariat w/flat bed, Bull rated front bumper/grill guard, S&B intake, cat/DPF delete, EGR delete, SCT programmer w/innovative tunes, Edge CTS screen, coolant filter, PML tranny pan, Airdog II 165
--Early '99 excab long bed with a 7.3 and a six speed 4X4 DP 5po chip, BDP dominator turbo, 4" turbo back, open air intake,
--Also drive a '05 378 Peaterbilt w/C15 525hp Twin turbos 13speed 3 drive axels 55'long w/a Haybuster haygrinder mouted on it w/650hp C18 Cat powering the grinder w/flued cuppler clutch and hydra boom True diesel power
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post #5 of 10 (permalink) Old 12-30-2012, 09:22 AM
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Since you are going with cab and chassis with flatbed why not go to a 650 and get the Cummins motor with the Allison Trans, be a much better setup.
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post #6 of 10 (permalink) Old 12-31-2012, 12:47 PM
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Got a late 99 F550 here at the shop..just modded it out...the brakes are HUGE and the real axle is insane.

Only thing I do not like about it is the gearing 4.88's is nuts 4.10 would be so much better..of if US gear was still making their OD unit that would be perfect.
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post #7 of 10 (permalink) Old 01-01-2013, 09:57 PM
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for Lariat or XLT plan on ordering.

no ones inventory mgr will buy chassis cabs with anything but plastic seats.

New Truck
2012 F150 SuperCrew Lariat 157" VWE
-------------------
Traded March 2013
2008 F450 CC Lariat White/Gold, JAD Solutions Lights, 62 Gal Titan, B&W Hitch, Gold Remote Start, TruckTrunk box, Viair 550+2x2.5gal receiver, 2010 NAV and Sync
---------------------
Traded In Nov 07:
2003 F250 CC LB XLT 4x2 PowerStroke, Captains Chairs, White/Parchment, Torqshift, Heated Mirrors, Trailer hitch
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post #8 of 10 (permalink) Old 01-15-2013, 01:21 PM
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Looking for a crew cab then go with Ford f 450 rather than f550..
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post #9 of 10 (permalink) Old 01-24-2013, 08:01 AM
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Yep, I had to special order my F450 Chassis Cab xlt....I couldn't find one on a dealer lot anywhere.

2008 6.4 F450 chassis cab 4x4

2002 Duramax
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post #10 of 10 (permalink) Old 01-24-2013, 08:13 AM
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No one has touched on the power issue with the cab chassis. I bought a 2012 F350 CC Pickup and then bought another F350 CC Cab Chassis for my business. The power difference is night and day. I've since learned from reading on this forum that for some reason they derate the cab chassis from the 400HP/800 Torque that the pickups have to 300HP/660 torque. I still don't have a complete understanding as to why, something about the EPA. But I would recommend you take it into consideration when deciding on you next vehicle.

Tim in Central Florida
2013 E350 Cutaway Dually gasser w/10' Knapheid KUV Toolbox
2012 F350 CC SB Lariat Tuxedo Black w/RollnLock bed cover
2012 F350 CC Cab/Chassis with 10' Knapheid tool box
2006 F250 CC Lariat with ARE construction cap
2007 F350 CC Lariat with 8' Knapheid tool box
2005 F350 CC King Ranch with ARE construction ca
And, sorry to mention on this forum
Two 2012 Nissan NV3500 High Roof cargo vans
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