Is there a difference between the 4x4 M5R1 and RWD?

[Charles1991]

I have a 1991 Ford Ranger with the 4L V6 and the manual M5R1. I'm planning on swapping the motor out for one I've rebuild but I want to rebuild as much as the transmission as I can while it's out. I believe the 5TH & REV SLIDER HAVE 30 TEETH & 2ND SYNCHRO IS SINGLE PIECE DESIGN. I found one rebuild kit from cobra that only lists itself as RWD. I know the housings are different but are the gears or bearings different?

 

[bobbywalter]

BK247WS(AWS) /M5R1-16A/M5R1-8A - Ford Ranger Bronco Explorer Transmission M5R1 M5OD Rebuild and Gear Kit

Ford Ranger Bronco Explorer Transmission M5R1 M5OD Rebuild and Gear Kit

transpartswarehouse.com

call them

 

[scotts90ranger]

Yeah, those guys are local to me and they are great, bought several parts from them...

All internals aside from output shaft and the output seal are the same between 4x4 and 4x2

My '89 M5OD had single piece synchros on all gears and had the less desirable 5/R slider, I don't remember the year break but TPW will for sure although I think it's '92