I have a 1983 d150 slant six with a ford 4 speed transmission not sure what type. I saw on ad on Facebook of this guy selling a New Process NP435 4-speed transmission manual with bell housing for Dodge flywheel, clutch, pressure plate, driveshaft, PTO (Power Take Off) gearbox. Included would this fit my slant six if not what would I need to do. He says it came from the factory on a 440. Also is this a granny transmission or would acceleration be quicker.

No it won't fit. If it was on a 440 then the belhousing, flywheel...etc is different than a Slant 6.

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2 Mopars come with Spark plug tubes. One is a world class, racing machine. The other is a 426 CI. boat anchor!

12.70 @ 104.6

That NP435 was used in both Dodge and Ford
What "Ford trans" is in your truck?
The 435 had a removable bell housing, with the right bell housing and flywheel that trans could go behind a /6.

Could I get that all separately so it can fit

No clue all I know is that it's a 4 speed. Couldn't really ever find any information on it what used parts could I find for the transmission to fit.

Your '83 D150 (2wd) slant would have had an A833OD 4 speed with super tall .71/1 top gear. Anything 4wd (W100 and up) and any D/W250, D/W350 would have had the A435 heavy duty trans with grannie 1st gear.

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1982 Dodge D150 ( Ram)
225 with A833OD. 2bbl. Non power brakes

I really don't think it's the A833 I'll take pictures of it when I change out the throw out bearing. Because when I replaced the clutch I was told it wasn't a dodge but a ford clutch.

Here are the bottom pictures If you can id the transmission.

For sure not a 833 OD. That is a "top loader".

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

I've been having issues trying to id the transmission. All I know is that it's a ford since it has a ford clutch in it.