RB20DE v RB20E Auto Transmission

adrian77, Oct 20, 9:17pm
One more thing - what is the difference between the RE4R01A RB39 off a RB20E Cefiro and a RE4R01A RB40 off a RB20E Skyline! (RB39 v RB40)

falcon15, Oct 20, 11:28pm
i think the rb40 and rb39 is the diff codes. they will be non lsd diffs one 3.9 ratio and the other 4.0 ratio

adrian77, Oct 21, 12:03am
So. will the Cefiro trans fit my Skyline trans without modifications!

adrian77, Sep 29, 1:50am
I have a 92 RB20E (GTE) Skyline and trans code on firewall states RE4R01A. Will a transmission from a RB20DE (GTS) fit as replacement!

adrian77, Sep 29, 2:57am
Same for rb25de!

bopbargains, Sep 29, 6:45am
RE4R01A
areprettymuch all the same
(Nissan and Subaru etc)
just aboutany Nissan trans with that code will fit
pretty sure thecode is asfollowers
RE -electric controlled (RLisnon electric)
4 -4 speeds
R -rear wheel drive
01A-spec of the trans (eg03A isfound inthe Safari's)

adrian77, Sep 29, 7:28am
Ah that's most helpful. thanks guys.

az10, Nov 9, 10:53am
Hi there,I'm Az.I would to know about my A31 RB20DE 5-speed auto transmission.Problem is it stays in 1st gear but sometimes after turn off again it shifts like normal.need help on this matter

az10, Nov 9, 10:56am
Hello again.Forgot to mention that i changed the transmission fluid already but still the same.