Ordering a locking differential on a Big Bend

[a.smith]

The 3.73 with 32" tires seems to be kinda an outlier. It's geared a lot higher than most other trims / specs.

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[Nate Train]

Definitely get the locker.

 

[uknowhim21]

10/13/23 I ordered a Big Bend with the 7mt and I kept adding the locking rear diff (was showing as $0), but it wasn't showing up on the final build sheet the dealer provided. The dealership spoke to their external Ford rep who said it wasn't available to add unless you went SAS. Not sure if it's because I ordered the manual or not, they didn't clarify. Was bummed.

 

[lakesinai]

I think the lowest would be a Badlands with a 4.7 and 33" tires at about 65mph at 2000rpm. Opposite would be a 3.73 axle with 32" tires at about 80mph at 2000rpm. What's too much? Not sure.

The ones I worry about are the OBX owners with 3.73 axles who install 35" tires. I wonder if there will be drivetrain issues down the road for them?

 

[RHeinz]

I do 95% of my off road driving in rough terrain (Big Bend Area) only using 2H with intermittent use of the rear locker. I use 4L when I need low speed control, or I want to minimize trail or tire damage.

Get the rear locker.

 

[cashe3]

I have an OBX and wrnt with the rear locker. I hadn't offroaded in 30 years before I picked up my Bronco so I was relearning most things myself. Here are a couple of points for getting the locker. Also I off raod 6-8 times a year and mall crawl the rest.
1- on a 2WD Bronco you have power going to one point of contact. The rear wheel with least resistance.
2- in 4WD you have power going to two points of contact. The front and rear wheel with the least resistance. This will get you out of most dicey situations.
3- with the rear locker you now have 3 points of contact with power and that really makes a difference in those 1% cases.
4- the lower gearing with the rear locker, I won't say required, but will really cut down on the wear and tear on your drivetrain if you ever decide to get bigger tires.

For me it was worth getting the rear locker $750 on a $50K vehicle is a small cost for what it provides. I put 34" inch tires on and do hit the moderately challenging off road spots.

If you plan to asphalt drive 100%, keep 32" street grade tires then skip the locker.

If you ever want to go on anything more challenging than a Forest service road or plan to upsize your tires then spend the money now and get the locker.

I consider it the best option I added even if it is used less than 1% of the time.

 

[Lujess]

10/13/23 I ordered a Big Bend with the 7mt and I kept adding the locking rear diff (was showing as $0), but it wasn't showing up on the final build sheet the dealer provided. The dealership spoke to their external Ford rep who said it wasn't available to add unless you went SAS. Not sure if it's because I ordered the manual or not, they didn't clarify. Was bummed.

FWIW - I just ordered a 2024 manual 2-door non-SAS Big Bend last week with manual and rear locker. It forces a 4.46, but manual + rear locker is definitely possible without SAS. Not sure if 4-door affects this.

Equipment group 222A is the mid-package

I had some back-and-forth with the dealer, since the Ford build site shows a $0 charge when adding the locker......but discussions with Ford rep resulted in a $495 charge. Definitely worth it IMHO.

Here is a partial screen shot of the order/build sheet I signed....

Chris

 

[uknowhim21]

FWIW - I just ordered a 2024 manual 2-door non-SAS Big Bend last week with manual and rear locker. It forces a 4.46, but manual + rear locker is definitely possible without SAS. Not sure if 4-door affects this.

Equipment group 222A is the mid-package

I had some back-and-forth with the dealer, since the Ford build site shows a $0 charge when adding the locker......but discussions with Ford rep resulted in a $495 charge. Definitely worth it IMHO.

Here is a partial screen shot of the order/build sheet I signed....

Chris

Wow I’m going to send this to the dealer. You went through the same process as me, but different result haha. It’s the same build as mine, but the two door. Thanks for the reply!

 

[Big Boss]

Definitely option it. It was the one of two things I left off mine(forgot to check the box and when my build was previewing panicked about adding it, color was more important haha) and while I have never needed it, still wish I had it. I've been offroading a few times and never been in a situation where a locker would have helped or made anything easier, but I still wish I had it.

 

[[DELETED MEMBER 27901]]

1- on a 2WD Bronco you have power going to one point of contact. The rear wheel with least resistance.
2- in 4WD you have power going to two points of contact. The front and rear wheel with the least resistance. This will get you out of most dicey situations.
3- with the rear locker you now have 3 points of contact with power and that really makes a difference in those 1% cases.
4- the lower gearing with the rear locker, I won't say required, but will really cut down on the wear and tear on your drivetrain if you ever decide to get bigger tires.

This is a fantastic summary for OP. Locker will guarantee power to 3 wheels. Hopefully some of them have traction

 

[lwilliams34]

I ordered mine about a month ago without the locker.. then spoke to several people on the forum and a friend who off roads his Four Runner and they all said I should have it.
I added the rear locker and change the color. No regrets based upon all the research i've done so far.

 

[Ft. Worth Rob]

Hi..

i just ordered a 24 BB this past week and wanted to get ya’lls opinion on getting a rear locking differential which is $750 extra. I’m going to do some light off roading but nothing too crazy and hopefully not in places where I could get stuck. I live in NC so weather is rarely a factor. Is it still worth it to get it?

Thanks..

 

[Born2Drive]

Hi..

i just ordered a 24 BB this past week and wanted to get ya’lls opinion on getting a rear locking differential which is $750 extra. I’m going to do some light off roading but nothing too crazy and hopefully not in places where I could get stuck. I live in NC so weather is rarely a factor. Is it still worth it to get it?

Thanks..

For $750, it is well worth it. You will be happy you have one. I went to that Bronco Off-Roadeo out in Moab. Easily the most used Hero Button we used.

 

[JCSmith]

4.27’s front & rear AND a rear locker for $750?
In my opinion, it’s probably the best “bang for your buck” upgrade you could get on a BB.

 

[Owl]

I've got a 2Dr Base with V6/auto. I added some OBX 32s. I would have added the eLocker to the Base if I could have... it wasn't an option.

In retrospect I wish I would have upgraded to a BB just to get it.

Lets face it... you may never use it but you will get your $750 back when you sell it (my prediction).

I'd go for it!

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