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Bronco Tranny and T-Case Info

361K views 293 replies 139 participants last post by  TorqueO  
#1 · (Edited)
With all the posts on what trannys are what, or "what do I have" I thought it would be a good idea to make a total list for the full size fords. Just now I wipped this up to start off, but will keep workin. Please post any corrections ya'll see so I can edit.

For the engine listings. I'll break the shared bell housing patterns in {}.

Heavy Duty Automatics

Model: C6

Type: three speed non electronic
Years:
'66-'90 F-series
'78-'89 Bronco
'91-'96 ('97?) F-2/3/superduty
Engines:{300, 302, 351w}, {400, 351m, 460}, {6.9L, 7.3L IDI}, {352, 360, 390, ect.}
Fluid:
Pre '77: Type F
Post '77: Mercon
Display: PRND21
Pan 17 bolts "Utah" shape
Ratios:
1st 2.46:1
2nd 1.46:1
3rd 1.00:1
Trans code: K, G (94+)

Model: E4OD
Type: Electronic Four speed Over Drive
Years:
'90-'96 Bronco,
'89-'98 F-Series
Engines: {300, 302, 351w}, {460}, {7.3L IDI}, {7.3L PSD}, {5.4L}
Display: PRN(D)21 w/ overdrive lockout switch
Pan: 20 bolts
Fluid: Mercon
Ratios:
1st 2.71:1
2nd 1.54:1
3rd 1.00:1
4th 0.71:1
Trans code: E

Model: 4R100
Type: Four speed, Rear wheel drive, and 100(x10)lbs of torque
Years:
'99-'01 F-150's (rare)
'99-'04 Lightning's, F-150 7700'
'99-'03 superdutys
'03-'04 gas superdutys
Engines: {5.4L, 6.8L}, {7.3L PSD}
Display: PRN(D)21 w/ overdrive lockout switch
Pan: 20bolts
Fluid: Mercon
Ratios:
1st 2.71:1
2nd 1.54:1
3rd 1.00:1
4th 0.71:1
Trans code: E (gas), 9 (diesel)

Model: 5R110 “Torqshift”
Type: Five speed, Rear wheel drive, and 110(x10)lbs of torque
Years:
'03-'04 6.0L
'05-'07 Superdutys
Engines: {5.4L, 6.8L, 6.0L},
Display: PRN(D)321 w/ tow haul lockout switch
Pan ?
Fluid: Mercon SP
Ratios:
1st 3.09:1
2nd 2.20:1
3rd 1.538:1
4th 1.00:1
5th 0.71:1
Trans code: B

Light Duty Automatics

Model: AOD

Type: Four speed non electronic
Years:
'85-'93 F-150
'85-'89 Bronco
Engines: 302
Display: PRN(D)D1
Pan ?
Fluid: Mercon
Ratios:
1st 2.40:1
2nd 1.47:1
3rd 1.00:1
4th 0.67:1
Trans code: T

Model: 4R70w
Type: Four speed, Rear wheel drive, and 70(x10)lbs of torque
Years: '94-'07 F-150
Engines: 302, 4.2L, 4.6L, 5.4L
Display: PRN(D)21 w/ overdrive lockout switch
Fluid: Mercon V
Ratios:
1st 2.84:1
2nd 1.55:1
3rd 1.00:1
4th 0.70:1
Reverse 2.32:1
Trans code: U

Model: 4R75E
Type: Four speed, Rear wheel drive, and 75(x10)lbs of torque
Years: '04-'07 F-150
Engines: 5.4L
Display: PRN(D)21 w/ overdrive lockout switch
Fluid: Mercon V
Ratios:
1st 2.84:1
2nd 1.55:1
3rd 1.00:1
4th 0.70:1
Reverse 2.32:1
Trans code: B ('04-'05), Q ('06+), F ('06+ Mark LT)


Manuals

Model: M5OD-R2

Type: Five speed Mazda Overdrive
Years: 88-96 Bronco, F150s
..........97-03 F150s
..........05 F150 (v6)
Engines: 300, 302, 4.2L, 4.6L
Fluid: Mercon
Display:
1.3.(D)
2.4.R
Ratios:
1st 3.90:1
2nd 2.25:1
3rd 1.46:1
4th 1.00:1
5th 0.80:1
Construction features: External Ribs in square patterns
Trans code: M

Model: SROD
Type: Four speed overdrive w/ push down reverse
Years: 80-83(4?)
Engines: 300, 302
Fluid: ?
Display:
P..R..1..3
U
S.....2..OD
H
Ratios:
1st 3.25:1
2nd 1.92:1
3rd 1.00:1
4th 0.78:1
Reverse 3.25:1
Construction features: Aluminum, shifter near back
Trans code: B

Model: NP-435
Type: Four speed non overdrive
Years: 80-87?
Engines: 300, 302, Your mostly gonna find it behind a 300.
Display:
1.2
3.4.R
Construction features: Cast Iron w/aluminum top plate, shifter in top, PTO Pass side
Fluid: 140w
Ratios:
1st 6.69:1
2nd 3.34:1
3rd 1.79:1
4th 1.00:1
Reverse 3.25:1
Trans code: A

Model: T18
Type: Four speed, non overdrive, non syncro first gear
Years: ?
Engines: 300, 302, 351, 460
Fluid: ?
Display:
1.3
2.4.R
Construction features: Cast iron throughout
Ratios:
Gas
1st 6.32
2nd 3.03:1
3rd 1.79:1
4th 1.00:1
Diesel
1st 4.02:1
2nd 2.41:1
3rd 1.41:1
4th 1.00:1
Trans code: F or P

Model: T19
Type: Four speed, non overdrive, syncro first gear
Years: ?
Engines:460?, 6.9L, 7.3L
Fluid: ?
Display:
1.3
2.4.R
Construction features: Cast iron throughout
Ratios:
Gas
1st 6.32
2nd 3.03:1
3rd 1.79:1
4th 1.00:1
Diesel
1st 4.02:1
2nd 2.41:1
3rd 1.41:1
4th 1.00:1
Trans code F or P

Model: ZF5
Type: Five speed heavyduty overdrive
Years: 87-99 F2/3/450/superduty
Engines: 300, 351, 460, 7.3
Fluid: Mercon
Display:
1.3.(D)
2.4.R
Ratios:
S5-42 (Diesel)
1st: 4.14
2nd: 2.37
3rd: 1.42
4th: 1.00
5th: 0.77
Reverse: 3.79

S5-47 (diesel)
1st: 5.08
2nd: 2.61
3rd: 1.53
4th: 1.00
5th: 0.77
Reverse: 4.66

S5-42 and S5-47 (gas)
1st: 5.72
2nd: 2.94
3rd: 1.61
4th: 1.00
5th: 0.76
Reverse: 5.24
Trans code: 2

Model: ZF6
Type: Six speed heavyduty overdrive
Years: 99-06 F-superduty
Engines: 5.4, 6.8, 7.3, 6.0
Fluid: Mercon
Display:
R.1.3.(D)
L.2.4
Ratios:
L 5.79:1
1st 3.30:1
2nd 2.10:1
3rd 1.31:1
4th 1.00:1
5th 0.72:1
R 5.23:1
Trans code: 6 (diesel), 5 (gas)


Adrianspeeder
 
#2 ·
Heres my contribution



NP-435

What a clean NP-435 looks like from the passenger side
it has an Aluminum top cover that the Shifter actually comes out of.
It says NP on it above the PTO cover
It has a PTO cover
the shifter goes
1 3
2 4 R
6.69,3.34,1.79,1.00 are the ratios

Image


SROD

An SROD (Single Rail Over Drive)
Trans Code B
Made by Tremec for Ford (T150FS, it has a Ford symbol on the side)
From a site that said that the Top shifter version was mostly in Ford broncos (so may/may not be correct)
3.01 1st, 1.78 2nd 1.00 3rd .79 4th and 3.01 Rev
or
3.25 1st, 1.92 2nd, 1.00 3rd, .78 4th and 3.25 Rev

It has the shifter behind the tranny
Is one of the only Ford trannys that you have to Push down to get into reverse (its brother the SR4 has to do that as well)
Image

Image

Pass side (tag and Fill/drain plug)
Image

Drivers side... thats a Ford Symbol
Image

Is made entirely of aluminum(case) and may be found with the T case adapter cracked (also aluminum)

To get rid of the crap and put a diamond in its place..
In order to swap in an NP-435 in an 80-83 Bronco with an SROD
Trans Code Boriginally You need
NP-435, T case adapter, Bellhousing for a Smallblock with 11" manual clutch, and the shifter for the 208/NP-435

End of story these are the only things you need to change.

You need a grinder and a Drill w/ 3/8" drill bit to do the only fabrication mod.
It involves the T case shifter, Bolt the NP shifter to the case with the big bolt. Take the SROD shifter link (12-14" long or so) and grind of the nub on it. Drill the hole that is just the right size for the nub on the NP shifter to go threw it.
 
#218 ·
To get rid of the crap and put a diamond in its place..
In order to swap in an NP-435 in an 80-83 Bronco with an SROD
Trans Code Boriginally You need
NP-435, T case adapter, Bellhousing for a Smallblock with 11" manual clutch, and the shifter for the 208/NP-435

End of story these are the only things you need to change.

You need a grinder and a Drill w/ 3/8" drill bit to do the only fabrication mod.
It involves the T case shifter, Bolt the NP shifter to the case with the big bolt. Take the SROD shifter link (12-14" long or so) and grind of the nub on it. Drill the hole that is just the right size for the nub on the NP shifter to go threw it.
Just wanted to comment on this, since I just swapped out my SROD for an NP435.

This just simply is NOT true information. I don't even see how this would work since it does, indeed, require a lot more.

First off, the shifter for the SROD goes into the tailshaft, whereas the shifter for the NP435 goes into the transmission itself.
Then, the transfer case shifter is on the passenger side of the vehicle. It bolts into both sides of the SROD, and then a long arm goes back to actuate the transfer case. This means that the floor pans are completely different. The SROD and transfer case shifter are side by side and are on the floor right in front of the seats/center console. The NP435 shifter is up on the hump.

Secondly, you can't even put the NP435 in with the SROD floor pan in place. The shifter hole will hit the floor pan. You'll have to cut a hole for it, or get an NP435 floor pan. If you cut a hole, you'll have three holes in the floor and mat/carpet and one will be left open and empty.

You'll need not only a new floor pan, but also a new mat/carpet, or at least something to cover it up.

After all that, why go through the work of modifying the SROD's transfer case linkage, since that's about all you can reuse anyway? Just get the NP435 transfer case linkage.

The plugs for the backup lights are different, so you'll need the backup light plug as well.

Lastly, after having them side by side, the bell housings are identical.

In summation, there's really no way to reuse much of anything from the SROD when swapping to an NP435. The big issues are the shifters for the transmissions, not the transfer case. Prepare to have some work ahead of you.


This is completely wrong, misguiding, and incorrect information and should be removed from the sticky.


-
 
#4 ·
Great idea Adrian

especially when it figures as the most expensive single component in the Bronco/F-150. In most cases, the stock engine isn't worth as much to rebuild as the trannies can cost.

If DarkSide or the moderators go for it, I'd like to suggest we add pics of things like the remote filters, auxillary coolers, routing diagrams for the coolers, etc. Also maybe a write up on each tranny's filter change, torque converter drain plug, etc.

Another item would be a drain plug mod and the different aftermarket pans available. Shift kits that helped, shift kits that botched the tranny too.

Special mention about the electronic equipped trucks habit of the in-rad cooler loop sludging up and killing the electronic trannies.

That special retrofit TV brass bushing available from Ford, that for one dollar, could save your tranny;



Think of the carpel it would save us !

Great idea Adrian

Sixlitre
 
#5 ·
adrianspeeder said:
Ok, continuing. I don't know all the details on the following, so if you could help me fill in...

Model: SROD
Type: Four speed ford Overdrive w/ push down reverse
Years: 80-83(4?)
Engines: 300, 302
Display:
P..R..1..3
U
S.....2..OD
H
Construction features: Aluminum,shifter near back
Trans code: B

Model: NP-435
Type: Four speed non overdrive
Years: 80-87?
Engines: 300, 302, 351, 460, 6.9?? Your mostly gonna find it behind a 300.
Display:1 2
..........3 4 R
Construction features: Cast Iron w/aluminum top plate, shifter in top, PTO Pass side
Trans code: ?

Model: T18
Type: Four speed non overdrive
Years: ?
Engines: 300, 302, 351, 460, 6.9, 7.3?
Display:?
Construction features: Cast iron throughout
Trans code?

Model: T19
Type: Four speed non overdrive
Years: ?
Engines: 300, 302, 351, 460, 6.9, 7.3?
Display:?
Trans code?

Model: ZF5
Type: Five speed heavyduty overdrive
Years: 87?-99 F2/3/450/superduty
Engines: 300, 351, 460, 6.9?, 7.3
Display:
1.3.(D)
2.4.R

Trans code?

Model: ZF6
Type: Six speed heavyduty overdrive
Years: 99-06 F-superduty
Engines: 5.4, 6.8, 7.3, 6.0
Display:
R.1.3.(D)
L.2.4
Trans code?
I could only add a few things, and all from just what I 've seen. I know they at least put NP's in threw 84, since they had the splined knobs, and thats what mine had when I got it from the guy.

Can you throw a pic in of each after the Heading????
 
#8 ·
81Bronk36 said:
In order to swap in an NP-435 in an 80-83 Bronco with an SROD
Trans Code Boriginally You need
NP-435, T case adapter, Bellhousing for a Smallblock with 11" manual clutch, and the shifter for the 208/NP-435

End of story these are the only things you need to change.

You need a grinder and a Drill w/ 3/8" drill bit to do the only fabrication mod.
It involves the T case shifter, Bolt the NP shifter to the case with the big bolt. Take the SROD shifter link (12-14" long or so) and grind of the nub on it. Drill the hole that is just the right size for the nub on the NP shifter to go threw it.


Ive been looking to do this to my Bronco for a while now. Am I correct that the 300 bellhousing is the same as the 351W bellhousing? I can get a complete donor truck for $150 w/ a 300 np435 combo in it. I want to make my truck move a bit faster than it is now.

Thanks,

Tony
 
#9 ·
Yup they both are the same bolt pattern. Is the donor truck an 80-83 as well, cuz you have mechanical linkage in your 83 and your donor truck may not.

Using an NP-435 probably wont make your truck move faster, sure you can lift the front tires off the ground... but you gotta shift in 5 feet. I usually start in 2nd, so I only have to shift 3 times, works pretty good. The 435 is a very good tranny though. What do you have in there now???
 
#10 ·
The truck is an 81. I got a 351 C6 combo in my Bronco now. Its good and pretty tough, but I want a manual. I had an F150 a few years back almost identical to this one, just a long bed. A total POS but man did that thing RUN! Im pretty sure it was an 80 or so. I had the 300/NP435 combo in it. I could pull a house off its foundation, but it couldnt get out of its own way on the highway. I had to get rid of it because I had no gas tank (besides a 3 gallon under the hood), no interior besides one seat, no back brakes, F'ed up electrical system, and it was in total black primer. I do miss it.
 
#11 ·
Well cool then, you should have all the parts to do it. keep in mind that the 2" tab that goes from the pedal to the 20" rod that goes threw the floor is no longer made anymore, so you will probably have to weld a bead in your oval shaped one(I never found one that wasnt:banghead) but a guy at a local pump/machine shop did it for free.
 
#12 ·
adrianspeeder said:
Still workin on it, as my ratios arn't quite right.

Adrianspeeder

no prob, I dont want to rush things either. Also can we get a compatability list for years and trannies? :beer
 
#13 ·
They all swap since every bronco either came with a 300,302,and 351, and all output shafts and t case mounts are the same.
 
#15 ·
zf

so I can get any year ZF5 speed from a 351 f250 and it will bolt up? Thats the stuff I am talking about, just a little confused
 
#17 ·
rune~kincaid said:
so I can get any year ZF5 speed from a 351 f250 and it will bolt up? Thats the stuff I am talking about, just a little confused
WHy would they change them??? and how would it make it not bolt up if both ends are the same no matter what year as long as its a 200,250,300,302,351W and the other end is made to bolt to a ford t-case over the past 30 years??
 
#18 ·
81Bronk36 said:
WHy would they change them??? and how would it make it not bolt up if both ends are the same no matter what year as long as its a 200,250,300,302,351W and the other end is made to bolt to a ford t-case over the past 30 years??
Actually, I think that list should be 240/300, (late)289/302/351W/351C. As far as I know, the 170/200/250 was a different (and earlier) straight six family, with only four main bearings. I'm not very well informed on these engines, though, so I'm not sure as to which bellhousing they use. The 351C, for all that it is part of the 335-series engine family, is still a small block and uses the Windsor bolt pattern. The other 335-series engines (351M/400) use the 385-series (370/429/460) big-block bolt pattern, which has always looked to me like a stretched version of the Windsor pattern (by a couple of inches).
 
#19 ·
Chuck said:
As far as I know, the 170/200/250 was a different (and earlier) straight six family,
Pretty sure its the same but Ill test fit the bell. My 68 came with a 200 and now has a 250, so I know those are the same

Oh and the 2.3 I4 is the same as a 5.0. My buddy took the T-5 out of a Turbo Coupe (T-bird) and put it behind his Mustang with a 5.0
 
#20 ·
81Bronk36 said:
Pretty sure its the same but Ill test fit the bell. My 68 came with a 200 and now has a 250, so I know those are the same

Oh and the 2.3 I4 is the same as a 5.0. My buddy took the T-5 out of a Turbo Coupe (T-bird) and put it behind his Mustang with a 5.0
Nice, that's another one I wasn't aware of. Simplifies things just a smidge if so. :thumbup
 
#22 ·
Model: C6
Type: three speed non electronic
Years: 1980-1991: F-Series, Bronco
..........1992-1997: F-2/3/450
Engines: 300, 302, 351, 460, 6.9L, 7.3L
Fluid: Mercon
Display: PRND21
Ratios:
1st 2.46:1
2nd 1.46:1
3rd 1.00:1
Trans code: G
what about 78-79 broncos and early-mid 70's f-series? i'm confused why they're not there...:toothless
 
#24 ·
i know a lot of them were C6's, but i know there was a C4 and a C5 also...sorry i can't help much beyond that.
 
#25 ·
just found this site http://www.baumannengineering.com/alphabet.htm which is where i got this...

In past 35 years Ford has produced many different rear-wheel-drive automatic transmissions, most of which have been introduced since 1980. The following list outlines a brief chronology of Ford Motor Company’s modern automatic transmissions followed by descriptions of some of the more complicated members.

The FMX/Cruise-O-Matic three speed evolved from the 1950’s Ford-O-Matic and was used until 1980 when the AOD was introduced.

In 1964, the C-4 was introduced, providing a lightweight and durable three-speed automatic which is a favorite among racers today. The C-4 was produced until 1982, when it was replaced by the C-5.

The C-6 appeared in 1966 as a heavy-duty unit primarily used behind big-block engines or in large vehicles. Internally, it is much like a scaled-up C-4. The C-6 is still used today in certain truck applications.

The French-built C-3 was first used in 1974 in the Ford Pinto and remained until the Merkur XR4TI was dropped in 1989.

The Automatic Overdrive (AOD) transmission was introduced in 1980 as Ford's first four-speed automatic overdrive transmission (a.k.a. AOT or FIOD in some literature). Internals are loosely based on the FMX. The AOD was finally replaced by the AOD-E/4R70W in 1994 for all remaining applications.

1982 brought the C-5 which was essentially a stronger C-4 with a centrifugal torque converter lock-up clutch and an enhanced valve body for smoother shifting. It was produced through 1986 and was completely replaced by the AOD.

The A4LD four speed overdrive transmission was introduced in the 1985 Bronco II/Ranger and saw use behind many 4 and 6 cylinder engines until the 1995 model year when it was replaced by the 4R44E and 4R55E electronic transmissions. The A4LD was the first Ford transmission to use an EEC-controlled torque converter lock-up clutch and later became the first to use electronic shift control (via a 3-4 shift solenoid). The French-built A4LD was created by adding overdrive to the front of the C-3 three-speed unit.

Full-size trucks first received the huge E4OD (Electronic 4 speed OverDrive) transmission in 1989. Internally, it is essentially a C-6 with overdrive added to the front (such as the A4LD is to the C-3) and an EEC controlled valve body.

The AOD-E transmission first appeared behind the 4.6L modular V-8 engines in 1992. Essentially a beefed-up electronically-controlled version of the AOD, the AOD-E also includes a new and stronger wide ratio model (the AOD-EW or 4R70W) which was introduced in the 1993 Lincoln Mark VIII. The AOD-E (in both standard and wide ratio versions) completely replaced the old AOD in 1994 with a new case that mates to the 5.0L and 3.8L engines.

For 1995, the 4R44E (4 cyl. - light-duty) and 4R55E (6 cyl. - heavy-duty; i.e. Explorer) electronically controlled transmission replaced the A4LD. It is mechanically identical to the A4LD.

Later, the 5R55E was introduced behind the 4.0L SOHC V6 as the first domestic five-speed automatic. Mechanically similar to the 4R55E, the 5R55E uses revised controls to leverage the mechanical capabilities of the 4R55E to deliver a fifth forward speed.
 
#26 ·
The C5 is a C4 derivative made for a few years before the AOD came out. I don't think they were used in trucks, but I'm not certain.

That three speed should be the same Ford top-loader three speed that was used in ... well, everything. As far as I know they were all pretty much the same light duty three speed transmission, with a few modifications and variations for different applications. I'll have to try and remember to look in my 85 shop manual when I get home to pull out whatever additional information I can.