i herd if you order the fx4 package you automatically get 4.11 er 4.10 gearing or something like that is this true?

 

For 2003 it was 3.55 L/S according to the window sticker options list for the FX4 package. That's not to say you couldn't get 3.73's or 4.10's but the standard was 3.55 L/S for 03.

Not sure what the new gen's are though..

 

I don't think you could get 4.10's unless it was ordered on the heavy duty payload package.

 

+1

I am looking at a 2002 dealer brochure (might be different for 2003 but I doubt it) and the FX4 only came in 3.55. Someone with an FX4 may speak up and say they have 3.73 and that would not surprise me. But looking at the brochure it clearly states you get 3.55 with FX4.

3.55 for FX4 does not make sense to me. I have a 2003 FX4 and mine is 3.55 and I wish I had 3.73 stock, but since I am going to change it will likely go 4.1 since I will be pulling at or over cap.

 

what about an 02 fx4?
what gears do i have?

 

mine came with 3.73...17" rims....maybe thats why?
standard 16" rims thus 3.55 gears?
mines also s-crew not sure what diff would be reg cab,s/cab

and i believe if you ordered heavy duty (7700) package..you got 4.10`s,but i think it was for 4x2 onlys,,been awhile,but read it some where...

 

My fx4 has 3.73 gears. I think only way you can get 4.10s is with the king ranch. I was searching for 4.10 and found nothing. I was reading brochures and king ranch came with 4.10. When I purchased my truck I knew I was going to install 35" and tow a camper.

 

Read the axle code off the door plate and look it up.

 

WHat is the axle code on the doorplate? Where can it be looked up?

 

Check the axle code on the sticker inside the drivers door.

19 — 3.55 non-limited slip — F-150
25 — 4.10 non-limited slip — F-150
26 — 3.73 non-limited slip — F-150/Mark LT
27 — 3.31 non-limited slip — F-150
B5 — 4.10 limited slip — F-150
B6 — 3.73 limited slip — F-150/Mark LT
H9 — 3.55 limited slip — F-150

 

Thanks for the info. Found it!

H9 — 3.55 limited slip — F-150 ...for me

 

All FX4's came with the FX4 package rims in 02-03 and they were 17's.

 

My 2003 Screw has 3.55 and that was the only option, at least for the FX4.

Here is a good link for VIN and axle code deciphering as well as some other code deciphering charts:

http://www.fordf150.net/howto/decode.php

another good link for 2003 F150 specs is:

http://www.fordf150.net/specs/03f150.php

Looks like under the section TRAILER TOWING, only the 3.55 was available as stock for the Screw whether 2WD or 4WD, and appears that the 7700 towing package was not availabe on the 2003 Screw.

hth

 

You can get the 08's FX4's with 3.73LS which is standard (XB6/STD)

 

My 2002 Supercrew FX4 came with 3.73s.