I recently bought a 4 speed automatic (A500/42RH). I'd like to identify exactly what model of transmission it is and what vehicle it came from. Is there a way to do that?
ID for 4 speed automatic
- Thread starter str12-340
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I can’t answer your question but likely from a 91/92 Dakota or possibly a Ram up through whenever they went to the electronic version - 94 or so.
What else could it be? lol
67Dart273
Well-Known Member
I doubt they used the 42's in RAM, likely Dakota and I don't even know if they were used in V8s so likely V6. There is a big long number either or both on a sticker or stamped on the pan rail should help
Yeah they put um behind 5.2s in rams and dakotas.
I believe the early 500 did not have a lock-up torque converter. So it may behoove you to figure out what year this transmission is.
67Dart273
Well-Known Member
Should be able to tell by looking at connector. Lockup + OD has 3 terminals--1 is 12V in, each of other two is lockup and OD
This has a 3 wire connector and it's lock up and OD. I don't know enough about these to know which numbers cast in the case would tell me something, Where the serial number would be, how to figure the year of manufacture, or which pictures to post that would help the ID...
I was told by the seller this was a 42RH, but it seems the three wire connector means electric control of OD and lock-up, so does that make it a 42RE???
67Dart273
Well-Known Member
You don't want cast numbers, there should be a string stamped into the pan rail somewhere.
This might help......found this Russian site which has ATSG manuals free
Коробки передач | Интернет-магазин запчастей для автоматических коробок переключения передач
RH series manual:
http://shop.ukrtrans.biz/wp-content/uploads/catalogs/42RH.pdf
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How about posting some pictures? 3 wires is not a re. An re has a rounded plug with about 8 wires in it.
what pictures would be valuable in figuring this out?
Start with the plug in then Left side and right side.
I would like to see the passenger side pan rail.
I would like to see the passenger side pan rail.
will do. I'll post photos tomorrow and any ID # in the pan rail area.
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I want to see the passenger pan rail to see if it is a 42 or a 46.
I bought a re46 that I was told was a rh42.
so finally, here are pics and the serial # from the pan rail
PK4 505465 0295 7958
PK4 505465 0295 7958
Scody21
Just send it
Post a pic of the pan. They are different between the 46RH /RE (727) and 42RH / RE (904) the for sure is an RH non electric overdrive.
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