That is, Are they the same unit, just one has an electric motor to engage the linkage, and one has a lever?

Or are they two totally different units?

What I'm getting at is this: My truck has the ESOF. If that was to ever go out, could I remove the pamel in the trans tunnel and install the lever and associated parts on the ESOF case and have a manual case?

Thanks,

 

I don't think so.

My reasoning is that, at least on my 2007 F-250, you cannot shift into 4H while moving. The manual says to stop or rolling no faster than 3 MPH to shift to 4H with MSOS.

Shifting from 2H (2WD High) to 4H (4WD High)
Engage the locking hubs by rotating
the hub lock control from FREE to
LOCK, then move the transfer case
lever from 2H (2WD High) to 4H
(4WD High) at a vehicle speed
below 3 mph (5 km/h).

With ESOF:

Shifting from 2WD (2WD High) to 4x4 HIGH (4WD High)
Rotate the 4WD control to the 4x4
HIGH position at speeds up to
55 mph (88 km/h).

 

If that is what the 07 manual says I would have to think it is a typo. The 5 manual transfer cases that I have owned have all been able to shift from 2H to 4H at up to 50MPH without any trouble. These have ranged from a 71 Bronco to an 01 SD. To require nearly stopping to shift would be a quantum leap backwards in technology and convenience.

 

Same exact T-cases. One has a manual shift level, the other electric.

 

Thank you Aggie007!

 

No, it is not a misprint; you cannot put the '07, '06 or '05 MSOS transfer case into 4H while moving. This is why it is called MSOS - Manual Shift On Stop. Read for yourself:

https://www.fleet.ford.com/maintenan...ls/default.asp

Trust me, I tried it while moving, you only get grinding gears. I ain't making this stuff up.

'04 and older it appears you can shift between 2H and 4H up to 50 MPH, again per the owner's manuals.

Based on that, I still say no, they are not the same on '05s and up, but are on '04s and older.

 

I dont think they are the same cases. I have a 2001 F350 CC Diesel with the electric shift 4x4. It is an NP273 Transfer case. I have the shifter and all the linkage to change it to a manual shift but it doesn't even come close. I did some research and found that I need an NP271 Transfer Case to complete the conversion. Just my $.02.

 

The internals of the cases are the same. The outer casing is what is different.

 

Got to be a misprint mine works just like all the other 4x4 I have owned let your foot off of the gas and shift into 4-Hi same coming out.
I never did it going faster then 35-40 but no troubles at that speed.
Glen
05 F-350 4x4 Reg Cab PSD 6Spd. manual transfer case and hubs

 

I didn't have any trouble with shifting my 07 into 4 hi while moving 30+ mph yesterday.

I will have to look at my manual when i get home now.

 

Could it be that your front hubs were not in the "Lock" position? That would explain the grinding.

 

No, they were locked and no it is not a misprint (for the second time). They changed somethign starting in '05.

They call the manual case MSOS, Manual Shift On Stop.

 

From what I was told the ESOF cases are the same as they have been using for several years.

The MSOS they have been using in 05 06 07 are heavier duty and are NOT susposed to shifted over 3 MPH, but you can shift at higher speeds if you hit it just right. Like a manual tranny without using the clutch.

Jim

 

If your hubs were not locked, that's what is causing the grinding. Your front end is at a dead stop, while the rest of drive line is turning.

Try it with the hubs locked, it'll work just fine.

 

No, it doesn't. You have to be stopped!

Go to the manual link and check out the '05 or '06 manual. Do a search on MSOS and read up.