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Help identify transmission
  • fairstang1
    Posts: 8Hitchhiker
    Hello, I have a transmission I was told came factory with a '68 Hemi car.

    Numbers are a little hard to make out, here's what I've got.....



    Casting: # A4 C99129 H

    STAMPED: PP 833 3022

    OG 160241 032

    TAILSHAFT: C-99538


    If anyone can help, it would be greatly appreciated!

    Thanks!!!!!!!!!!
  • 66patrick6666patrick66
    Posts: 1,831Platinum Member
    It's an NP833 4-speed transmission from a Mopar. The 0G160241 is the last eight of the VIN that the tranny came from. The "0" (zero) is the year - 1970. The "G" is a 383. 160241 is the sequential number, so this car was the 60,241st car off that line. PP 833 identifies the tranny model. 3022 is the date code for the tranny. You should count 23 splines on this transmission. It is NOT for a Hemi car if you count 23. If you count 18 splines, you have a Hemi tranny, but odds are it's a 23.
    "The time has come", the Walrus said, "to speak of many things. Of shoes and ships and sealing wax, of cabbages and kings. And why the sea is boiling hot,
    And whether pigs have wings..."
  • fairstang1
    Posts: 8Hitchhiker
    Hey, thanks a lot! you have been very helpful. I have counted 18 splines!

    I bought, literally, a semi trailer load of all the left over restoration parts from a guy who just opened a classic car museum. Most of his cars are Mopars, including several Hemi cars. He told me it was a Hemi trans, but I needed verification. Thanks again.........