Which trans do i have ?
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Fleet Mechanic
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From: va
Which trans do i have ?
which trans do i have? 87 f150 4.9 5 speed manual 2x4. Door post sticker under t says its an A. In the Haynes manual to 1996 it looks like more like the Mazda M50D R2 4X2. Its not the BT T-18 and not the ZF S5 42. Is that the better trans. or the one with all the problems?
Last edited by mike L; Nov 16, 2004 at 11:40 AM.
Post Fiend
Joined: Mar 2002
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From: Bonita Springs FL
The door post sticker is the code for an NP 435, which is a 4 speed, so we know that's wrong. It's *possible* that it's a ZF, but much more likely that it's a Mazda 5 speed.
The M5OD isn't a bad tranny for what it is, which is a light duty truck tranny. As long as you don't abuse it and keep it full of fluid, it will be fine. It has a worse reputation around here than it deserves.
The M5OD isn't a bad tranny for what it is, which is a light duty truck tranny. As long as you don't abuse it and keep it full of fluid, it will be fine. It has a worse reputation around here than it deserves.
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Fleet Mechanic
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From: va
GTrans NP435
Originally Posted by andym
The door post sticker is the code for an NP 435, which is a 4 speed, so we know that's wrong. It's *possible* that it's a ZF, but much more likely that it's a Mazda 5 speed.
The M5OD isn't a bad tranny for what it is, which is a light duty truck tranny. As long as you don't abuse it and keep it full of fluid, it will be fine. It has a worse reputation around here than it deserves.
The M5OD isn't a bad tranny for what it is, which is a light duty truck tranny. As long as you don't abuse it and keep it full of fluid, it will be fine. It has a worse reputation around here than it deserves.
Post Fiend
Joined: Mar 2002
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From: Bonita Springs FL
The NP 435 is made by New Process Gear Co. It is probably the strongest tranny ever put in a half ton truck. It was used in trucks with a GVWR up to 26,000 lbs. You could drop it off a building, put it back in your truck, and drive off with it.
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Laughing Gas
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From: Brandon Mb
I think my E4OD has 20 bolts, but I can't remember for sure, but here's another way to tell. The E4OD tranny pan isn't flat, and has METRIC stamped in it, whereas the AOD tranny pan is flat. Thats the most obvious difference between the two.
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From: Central California
My '80 F350 had an NP435 in it and this tranny was around a long time before that. I agree that it was a rugged transmission. However, I thought it a bit rough around the edges. It reminded me of the lumber trucks I drove in the '50s (which may have had the same tranny). The ZF 5 speed in my current truck is much nicer. Very smooth and crisp shifts, much quieter too (tho any manual will make noise as the gears wear over the years).
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