Code meanings on drivetrain
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New User
Joined: Sep 2003
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From: In a house.
Code meanings on drivetrain
I am trying to find out what the codes mean for my 76 F-150 4x4.
I have found nowhere that can tell me what they mean and what gear ratios the front and rear ends have as well as the tranny and transfer case. If anyone has any info please respond.
Front End - 3.50 D6TA ATC 603690-1
Rear End - WDH-AE2 6AA 3 50 9 379A
Tranny - PGB CK1 A15 D6TP ABA019348
Trasfer - NP 14 41-75 C-11865 PTZ
I have found nowhere that can tell me what they mean and what gear ratios the front and rear ends have as well as the tranny and transfer case. If anyone has any info please respond.
Front End - 3.50 D6TA ATC 603690-1
Rear End - WDH-AE2 6AA 3 50 9 379A
Tranny - PGB CK1 A15 D6TP ABA019348
Trasfer - NP 14 41-75 C-11865 PTZ
Senior User
Joined: Jan 2003
Posts: 312
Likes: 1
From: Huntsville, AL
Welcome....Let me see if I can help a little with the the rear end. You have a 9 inch rear with a 3:50 ratio limited slip. The WDH-AE2 is the type of bearing which I believe determines if you have a 28 or 31 spline. 6 AA is the date it was built. The 379A is the assembly plant code. There are many members here that can go into greater detail then I have. Try going to Mil1ion's website, which has lots of info that may help as well. Hopefully they can pickup where I left off.
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