FORD 2007 Explorer Sport Trac v.1 - Manual (Page 301)

TRANSMISSION/TRANSAXLE CODE DESIGNATIONS
You can find a
transmission/transaxle code on the
Safety Compliance Certification
Label. The following table tells you
which transmission or transaxle
each code represents.
Description Code
Five-speed automatic (5R55S) V
Six-speed automatic (6R60) X
2007 07+ Explorer Sport Trac (esp)
Owners Guide (post-2002-fmt)
USA (fus)
Maintenance and Specifications
301