ZF Meritor 12-Speed Transmissions

Click Here to Identify Your Transmission Model (6 Models)

Models

Models

M-13Z12A-A13, M-14Z12A-A14

Gear Ratio
Twelfth 1.00
Eleventh 1.29
Tenth 1.63
Ninth 2.10
Eighth 2.70
Seventh 3.47
Sixth 4.57
Fifth 5.87
Fourth 7.44
Third 9.57
Second 12.33
First 15.86

 

Models

MO-13Z12A-A13, MO-14Z12A-A14

MO-15Z12A-A15, MO-16Z12A-A16

Gear Ratio
Twelfth 0.78
Eleventh 1.00
Tenth 1.27
Ninth 1.63
Eighth 2.10
Seventh 2.70
Sixth 3.55
Fifth 4.57
Fourth 5.78
Third 7.44
Second 9.59
First 12.33


 

Example: MO-13Z12A-A13

First Digit M = ZF Meritor

Second O = Overdrive, no letter = direct drive

Third and fourth digits 13 = 1300lb*ft input torque rating

Fifth Digit F, G = 9 and 10-speeds, Z = Freedom line

Sixth and Seventh Digits 12 = 12 Speed (forward gears)

Eighth digit = Ratio

Ninth digit A = Automated, S = Shift by wire, M = Manual.

Tenth and eleventh digits 13 = Highest torque in top two gears 13 = 1300lb*ft

 

 

 

 

This page was last modified Thursday, March 05, 2009 08:59:18 PM

© Copyright 1994 - 2009 Vibrate Software - All Rights Reserved