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FX4 qustion

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Old Mar 3, 2026 | 11:14 AM
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FX4 qustion

When I build an F350 XLT regular cab w/ FX4 package on FORD.COM, I have options for different gears. The 3.73 is standard, but I can go up to 4.30
But when I build on Long Mcarthur (FORDPRO.COM??) site and pick the FX4 option,...it states I MUST choose the 4.30's
Which site is correct??!!!

I also noticed when using Long Mcarthur and/or FordPRO.com site,.... the strobe lights are an option. But they are not an option on the Ford.com build site. I was under the impression they are an option for fleet customer only (FordPRO.com), but I find it strange that Long Mcarthur's build site offers it ?!!

Any insights?!!

I also noticed the F350 "10k" option is now removed from both sites. Is this still an option? (I need to get a PA state "medical card" over 17001 and would rather not deal with it!!) -- Under 17,001 I don't need it and my trailer is 7k FWIW
Man this is waaaay more difficult than when I built my 00',....05',....and 16' Super Duty's !!!!!!!
 
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Old Mar 3, 2026 | 12:51 PM
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Originally Posted by CJF350
When I build an F350 XLT regular cab w/ FX4 package on FORD.COM, I have options for different gears. The 3.73 is standard, but I can go up to 4.30
But when I build on Long Mcarthur (FORDPRO.COM??) site and pick the FX4 option,...it states I MUST choose the 4.30's
Which site is correct??!!!

I also noticed when using Long Mcarthur and/or FordPRO.com site,.... the strobe lights are an option. But they are not an option on the Ford.com build site. I was under the impression they are an option for fleet customer only (FordPRO.com), but I find it strange that Long Mcarthur's build site offers it ?!!

Any insights?!!

I also noticed the F350 "10k" option is now removed from both sites. Is this still an option? (I need to get a PA state "medical card" over 17001 and would rather not deal with it!!) -- Under 17,001 I don't need it and my trailer is 7k FWIW
Man this is waaaay more difficult than when I built my 00',....05',....and 16' Super Duty's !!!!!!!
Medical cards are required for a commercial operator. Any GVW over 10,001 lbs is required across the continental United States. I do not believe Pennsylvania is any different.

The 10K option has been gone since the 2023 model. Most of my F350's are that way.

As far as the website site, A lot of times they are flaky, including the Ford website, but I would choose that one to be superior over others.

Why do you need a F350 anyways, 7K trailer is F150 Territory. You can still get a base model. F250 with a 10K rating.
 
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Old Mar 3, 2026 | 01:10 PM
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I do a lot of plowing and always bought the 350 over the 250 just for the "why not" factor! LOL
I just figured the extra springs in the rear and beefed-up axle and trans can't hurt
But I agree a 250 w/ plow package would probably do me just fine 90% of the time.

But I am still confused about the FX4 package gearing being different on the 2 sites.
 
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Old Mar 3, 2026 | 02:39 PM
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Go by the official Ford.com site. However, at times, it can also have bugs. It's best to look up the 2026 Order Guide for the most official ruling.

And yeah, an F250 would be fine for you. There really isn't many differences between a base 250 and a 350. (The trans can be the same on both by the way.) You can easily add options to the 250 to make it equal to the 350, however, those same options will also increase the GVWR on the 250, so if you are looking for a 10k GVWR you will have to stick with the base F250. If you want to plow with it you can add the snow plow package to increase the front springs, which won't increase the GVWR.
 

Last edited by chadstickpoindexter; Mar 3, 2026 at 04:27 PM.
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Old Mar 3, 2026 | 04:07 PM
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Originally Posted by chadstickpoindexter
And yeah, an F250 would be fine for you. There really isn't many differences between a base 250 and a 350. (The trans is the same on both by the way.)
A minor nitpick, if I recall correctly, the transmission is the same for the 6.8 gas and 6.7PSD, but for 7.3 non-Tremors it's different.
 
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Old Mar 3, 2026 | 04:27 PM
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Originally Posted by twobelugas
A minor nitpick, if I recall correctly, the transmission is the same for the 6.8 gas and 6.7PSD, but for 7.3 non-Tremors it's different.
My bad... I am still thinking of when I ordered mine! They only had the 10R140 then. But you are right, they came out with a new 10R100 transmission in 23 when they introduced the 6.8. I don't recall all the different motor/trans combos that they offer now though...
 
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Old Mar 3, 2026 | 05:10 PM
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Originally Posted by twobelugas
A minor nitpick, if I recall correctly, the transmission is the same for the 6.8 gas and 6.7PSD, but for 7.3 non-Tremors it's different.

Yep and if I was ordering a new gas truck, I'd go with the F350 just to get the 10R140

Dave
 
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Old Mar 3, 2026 | 08:23 PM
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Originally Posted by DPelletier
Yep and if I was ordering a new gas truck, I'd go with the F350 just to get the 10R140

Dave
Yeah, that's what cast the die for me this time around. I have always ordered 3/4 tons before but this time F350 was the obvious choice for me. It's nice to have all that paper payload too pushing 2.5 tons.
 
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Old Mar 3, 2026 | 08:34 PM
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Originally Posted by CJF350
I do a lot of plowing and always bought the 350 over the 250 just for the "why not" factor! LOL
I just figured the extra springs in the rear and beefed-up axle and trans can't hurt
But I agree a 250 w/ plow package would probably do me just fine 90% of the time.

But I am still confused about the FX4 package gearing being different on the 2 sites.
It hurts. That's why there's a lighter trans for the lighter engines. Id rather have the lighter trans, and the old fashioned 10.5 axle, in a SRW truck.

If all your doing is running a gas SRW, you'd be better off strapping 100 pounds of lead to your transmission mount, and just pretending its a 140. Cause it's just dead weight, AND a ton of rotating weight

The sites are likely bugged. But you should get the 4.30 gears anyways.
 

Last edited by Midwest87; Mar 3, 2026 at 08:44 PM.
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Old Mar 3, 2026 | 08:36 PM
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So the 6.8 is the only one that gets the 10R100?

And yeah, the 10R140 has been really nice with my 6.7. The 10 speed was actually a big reason that I chose a Super Duty over a Ram.
 
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Old Mar 3, 2026 | 08:42 PM
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Originally Posted by chadstickpoindexter
So the 6.8 is the only one that gets the 10R100?

And yeah, the 10R140 has been really nice with my 6.7. The 10 speed was actually a big reason that I chose a Super Duty over a Ram.
7.3 in the f250 gets the 10r100.


 

Last edited by scraprat; Mar 3, 2026 at 08:48 PM.
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Old Mar 3, 2026 | 08:44 PM
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A Ford Pro website is a little bit different than the traditional website. Is more of a fleet setup than it is for consumers.

Example, it lists all the fleet colors that are not shown on the regular website. The highest trim level you could build an XLT, You can build multiple trucks at once.

When I spec out trucks, that is the website I use.

Now it limited information that I have. As far as F350 XLT FX4 assuming 7.3 it's


still would only give me the 3.73 gears
 
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Old Mar 4, 2026 | 06:43 AM
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I have a 2025 F350 Lariat with FX4 package and 3.73s (unless they have changed). With a 7K trailer you don’t need 4.30s, and 3.73s might help your gas mileage. I tow a 10K trailer (when loaded) with no issues. But if you need the 4.30s to push heavy snow, a small price to pay. The gas mileage will not vary greatly, I have had both.
 
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Old Mar 4, 2026 | 07:53 AM
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The roof lights are an option on the ford.com site.
 
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Old Mar 7, 2026 | 04:08 PM
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Originally Posted by 1olddogtwo
Medical cards are required for a commercial operator. Any GVW over 10,001 lbs is required across the continental United States. I do not believe Pennsylvania is any different.

The 10K option has been gone since the 2023 model. Most of my F350's are that way.

As far as the website site, A lot of times they are flaky, including the Ford website, but I would choose that one to be superior over others.

Why do you need a F350 anyways, 7K trailer is F150 Territory. You can still get a base model. F250 with a 10K rating.
.
First off, are you working commercially or towing your own hobby/personal use? Lots of times you don't need a cdl for personal use so long as you are below 26000 lbs...
Second, what does your license say in terms of vehicle operation limits? MIne says under 26,000 lbs, but I live in a different state than PA. If yours says 17,000, I SUSPECT that it is 17000 GCW/GCWR, but check with your state.
If that number is a GCWR and not GCW, then yeah, you are going to have an issue. In that case, see if you can register your vehicle for 10,000 lbs. In my state, this is something you can do very easily and it allows me to use a different plate that gives me longer times between inspections and costs less.

As for the F-150 range...if you are towing in the great plains, the above poster is absolutely correct. Even towing in some of the hill countries of Southern IL, Missouri, Kentucky, etc., and you are fine. If you tow through the Appalachians or bigger, I would want a Super Duty. That said, you don't need a Dually, a SRW is just fine unless you are towing horses or other livestock, then get the dually for safety. You also don't need 4.30s towing that amount. The only thing you will do there is burn more DEF and make poorer mileage. I've towed with a V8 150 type truck through the bigger mountains, and they are horrible. I had trouble towing my 7k boat/trailer through the smaller hills of the Appalachians, but my SD tows it like nothing.
 

Last edited by Stonehauler; Mar 7, 2026 at 04:09 PM.
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