Np 540 5 speed trans

Reply Subscribe

Thread Tools

Search this Thread

Jul 24, 2005 | 01:46 PM

Buck Rogers

Thread Starter

New User

Joined: Jul 2005

Posts: 4

Likes: 0

Np 540 5 speed trans

Does anyone out there have info on the gear ratios on a NP 540 trans. I know some of these units are overdrive, some arent. The first gear ratio determines whether or not it is an O/D, but I can't find info about the other ratios, or whether mine is O/D. 2700 RPM at 70 mph in 5th gear with a 3.54 rear gear along with really tall tires can't be O/D ing. I'd really like to know what all the ratios are in this trans, not just what fifth is. My trans is a 7.41 :1 first. Any ideas? thanks a lot.

Jul 24, 2005 | 02:13 PM

85e150

Super Moderator

Joined: Apr 2004

Posts: 34,499

Likes: 2,811

Google searched and found this chart amongst others:

http://cjford.stormloader.com/Tech/mantransinfo1.htm

Jul 24, 2005 | 03:33 PM

IB Tim

FTE Leadership Emeritus

Joined: Jan 2003

Posts: 161,999

Likes: 75

From: 3rd Rock

...Welcome Buck Rogers, to Ford Truck Enthusiasts! Please read the Guidelines, it will help you to navigate through and understand this site.
Stick around someone will be by shortly to answer your question.
We are happy you have chosen the best source for Fords!

Enjoy FTE....and
JOIN CLUB FTE -SUPPORT THE FORUMS!
…..See you on the boards.