FORD 2004 E-450 v.2 - Manual (Page 238)

Certification label for incomplete vehicles
On completed derivations of incomplete vehicles, the certification label is
affixed at a location determined by a subsequent stage manufacturer of
the completed vehicle. In these cases the completed vehicle is
manufactured in two or more stages by two or more separate
manufacturers.
TRANSMISSION/TRANSAXLE CODE DESIGNATIONS
You can find a transmission/transaxle code on the vehicle certification
label which is located on the door pillar. The following table tells you
which transmission or transaxle each code represents.
TRUCK APPLICATION:
Code Transmission Description
Manual transmission
M Manual 5–speed (AKK))
C Manual 5–speed overdrive (Close ratio)
W Manual 5–speed overdrive (Dana ZF)
G Manual 6–speed ZF
Automatic transmission
Y Automatic 4–speed overdrive (CD4E)
2004 Econoline (eco)
Owners Guide (post-2002-fmt)
USA English (fus)
Maintenance and Specifications
238