Difference between F250 & F350... and 100 isnt the answer..lol - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 46 (permalink) Old 01-28-2010, 12:45 AM Thread Starter
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Difference between F250 & F350... and 100 isnt the answer..lol

I was wondering the difference between the F250 and F350? Is it suspension? Rear?
I hear so many opinions from people that dont really have a clue... So I fugured I would pose it to guysto get a real answer.
Thanks in advance
Bud
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post #2 of 46 (permalink) Old 01-28-2010, 12:55 AM
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Spring strength
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post #3 of 46 (permalink) Old 01-28-2010, 01:07 AM Thread Starter
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So its basically the same truck with a higher payload? Does that mean a big difference in the ride when empty?
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post #4 of 46 (permalink) Old 01-28-2010, 01:09 AM
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Tire were also my f250 has one ton suspension from factory, most people i know get duallies because ur tires dont were as much when loaded
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post #5 of 46 (permalink) Old 01-28-2010, 03:07 AM
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The 350 also has thicker axles.
Don't waste your money on a 250 when you can buy a sronger truck for only a few hundred dollars more.

2008 F-350
KEM 345 tuned.

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post #6 of 46 (permalink) Old 01-28-2010, 04:33 AM
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taller rear blocks and gearing options. that's it. suspension, frame, and axles are the same. This is of course comparing SRW's. Don't quote every word on the 2011's, since obviously I haven't worked on one yet, but it's been that way for a while now.

...on edit: was gonna look up some part numbers, but there's pretty good info below.

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post #7 of 46 (permalink) Old 01-28-2010, 04:41 AM
 
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Quote:
Originally Posted by BigBud View Post
I was wondering the difference between the F250 and F350? Is it suspension? Rear?
I hear so many opinions from people that dont really have a clue... So I fugured I would pose it to guysto get a real answer.
Thanks in advance
Bud
Ok Bud, I will try to explain so that it's clear as mud.......lol
A Ford F250-F350 SRW (single rear wheel only)
has the SAME wheels, brakes, axle, frame, body parts, bed/tailgate etc. THE ONLY differance is the rear springs and payload.

Now that being said, if you are going to be using your truck for gooseneck or 5th wheel pulling, a F350 is the better choice because of the weight over the rear axle in bed. (higher payload) A DRW F350/450 would be a more stable ride, because of the wider track and increased payload over a SRW F250/350.
Now ride quaility is even tougher, a Long box F350 will ride smoother than a Short box F250. But short box to short box a F250 is smoother, a F350 sits about 1 1/4 inches higher between the top of the tire and the bed.

This info is from the 2010 source book, 2011 not completly out yet.
--------------------------------------------
2010 F-250/F-350/F-450 SD Pickups: Spring Specifications — Rear Leaf
Super Duty Series/Model
Combined Rating @ Ground (lbs.)
No. of Leaves
Total Thickness @ Pad (in.)
Overall Length (in.)
Width (in.)
Deflection Rate (lbs. per in./ Spring)(1) (2)
Rating Each @ Pad (lbs. per Spring)

Main Leaf & Auxiliary Spring (Including Spacer)

F-250 Pickup(3)
6100
6
4.55
66.3
3.00
349/654/1174
3133

F-350 SRW Pickup
7000
6
4.55
66.3
3.00
349/654/1174
3133

F-350 DRW Pickup
9000
6
4.42
66.3
3.00
448/930/1800
4289

F-450
9500
4
4.54
66.3
3.00
542/1107/1506
4323

Main Leaf Only

F-250 Pickup
6100
5
2.98
66.3
3.00
348/685
2695


(1) Pickup and Box Delete models include two-stage, variable-rate springs.
(2) Lists first stage/second stage/third stage as applicable.
(3) Auxiliary rear spring available and included with Camper Package and Heavy Service Package for Pickup Box Delete only.
=========================================
Towing Capacity is the SAME for SRW
• Maximum conventional towing capacity is 12,500 lbs. for Single Rear Wheel (SRW) models with either the 6.4L Power Stroke® V8 or the 6.8L V10 engines

• Maximum conventional towing capacity is best-in-class(2) 16,000 lbs. for F-450 Dual Rear Wheel (DRW) models with the 6.4L Power Stroke engine, 15,000 lbs. for F-350 DRW with 6.4L or 6.8L engine
• Ford is the first Original Equipment Manufacturer (OEM) to have a 2.5" hitch receiver for improved towing security with trailers over 12,500 lbs.
• 5th-wheel towing up to 24,600 lbs. on F-450 DRW, 18,800 lbs. on F-350 DRW with TowBoss Package
• Best-in-class(2) 33,000-lb. maximum Gross Combined Weight Rating (GCWR) (F-450 DRW)


(1) See the 2010 RV & Trailer Towing Guide, available as a printable PDF on eSourceBook, or the vehicle Owner’s Guide for additional towing information.
(2) Class is full-size pickup trucks over 8500 lbs. GVWR.
(3) Properly equipped.

NOTE: Please refer to the weight ratings in the Specifications section for additional model-specific ratings and information.
================================
2010 Trailer Tow Guide https://www.fleet.ford.com/showroom/...10_default.asp
------------------------------
randy

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post #8 of 46 (permalink) Old 01-28-2010, 05:55 AM
 
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Hi,
I think there is only one difference between F250 & F350 is that the F350 has larger spacer under the rear leaf springs. And other options like springs and shocks, frame, body etc are same.
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post #9 of 46 (permalink) Old 01-28-2010, 09:25 AM
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You all better do some research, especially you Randy.
You will find the axle thickness is different on the F-350 SRW..
Start by searching these forums...

Also folks, with larger spacer blocks comes different shocks..

2008 F-350
KEM 345 tuned.

My pics;
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post #10 of 46 (permalink) Old 01-28-2010, 12:56 PM
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There are more splines on the F350 SRW axle as well....
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