identifying 4 speed automatic

-
str12-340

str12-340

FABO Gold Member
FABO Gold Member
Joined
Dec 26, 2012
Messages
4,290
Reaction score
3,941
Location
Vashon, WA
is there a place to find out details of what type of transmission I have purchased and where it originally lived? I bought a 4 speed automatic from anther member and I have been trying to find out the exact type of transmission (I think it is a 42RH) and where it came from (year, vehicle and behind what motor), but I have yet to find a site or source that can decode the number on the pan rail pad which is:

PK4 505465 0295 7958

Thanks for any assistance!!!
 
Generally, start with basics. Is it 904 or 727 based? Google photos. Is it RH (hydraulic) or electronic (RE) Look for a multipin connector facing vertically up, behind the shifter lever. "About 8?" pins is electronic, 3 hydraulic. There should be numbers stamped on the pan rail, you should be able to search those

Also make sure you don't have a Jeep one, which normally has the starter on the passenger side.
 
67Dart273 said:
Generally, start with basics. Is it 904 or 727 based? Google photos. Is it RH (hydraulic) or electronic (RE) Look for a multipin connector facing vertically up, behind the shifter lever. "About 8?" pins is electronic, 3 hydraulic. There should be numbers stamped on the pan rail, you should be able to search those
Click to expand...

904 based, 3 pin, the pan rail numbers are in post #1 - that is what I can't find a place to search. I know they would tell me the original application, but can't find a site that would tell me how to decode them. (I know it isn't a Jeep trans as it came from behind the 360 in another members Dart!)
 
str12-340 said:
904 based, 3 pin, the pan rail numbers are in post #1 - that is what I can't find a place to search. I know they would tell me the original application, but can't find a site that would tell me how to decode them. (I know it isn't a Jeep trans as it came from behind the 360 in another members Dart!)
Click to expand...
Didn’t the other member have any info for you? Kim
 
oldkimmer said:
Didn’t the other member have any info for you? Kim
Click to expand...

I've compiled quite a bit of information on these transmissions generally, I'm just trying to decode the serial number so I know what year it was made and what engine it might have been behind. I'm having real trouble finding someone to do a heavy duty rebuild on this. I know it is possible and found a company - Oregon performance transmissions - that sells rebuild kits, including a heavy duty rebuild kit, but they are different for different years of 42RH trans, and they just sell parts. Everyone I talk to about doing the work wants to know what it is in and then when they understand it is going in a car that never had this transmission, they want nothing to do with it.
 
4505465 does not appear to be a Chrysler part number. Look at the transmission again and see if the 5th digit is really a 4. Let us know what you find.
 
I know a guy that can rebuilt it, You!

I did it, it ain't that hard, and I'd never been inside an automatic before. Plenty of info on this site on rebuilding a 904,(your 42rh is basically a 904 with and overdrive in the tailshaft). Also lots of guys here smarter than me that are willing to guide you through it if you need help.
 
You must log in or register to reply here.
-

Back
Top