Ford 2004 Econoline Owner's Manual page 246

Maintenance and Specifications
TRANSMISSION/TRANSAXLE CODE DESIGNATIONS
You can find a transmission/transaxle code on the vehicle certification
label. The following table tells you which transmission or transaxle each
code represents.
TRUCK APPLICATION:
Code
M
C
W
G
Y
U
T
E
J
H
246
2004 Econoline (eco)
Owners Guide (post-2002-fmt)
USA English (fus)
Transmission Description
Manual transmission
Manual 5–speed (AKK))
Manual 5–speed overdrive (Close ratio)
Manual 5–speed overdrive (Dana ZF)
Manual 6–speed ZF
Automatic transmission
Automatic 4–speed overdrive (CD4E)
Automatic 4–speed overdrive (4R70W)
Automatic 4–speed overdrive (4R44E)
Automatic 4–speed overdrive (4R100)
Automatic 5–speed overdrive (5R55E)
Electric
One speed electric